Fix TypeScript generator to correctly handle inline/embedded structs

Co-authored-by: kevwan <1918356+kevwan@users.noreply.github.com>

.github/workflows/codeql-analysis.yml

@@ -39,7 +39,7 @@ jobs:
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
-      uses: github/codeql-action/init@v3
+      uses: github/codeql-action/init@v4
       with:
         languages: ${{ matrix.language }}
         # If you wish to specify custom queries, you can do so here or in a config file.
@@ -50,7 +50,7 @@ jobs:
     # Autobuild attempts to build any compiled languages  (C/C++, C#, or Java).
     # If this step fails, then you should remove it and run the build manually (see below)
     - name: Autobuild
-      uses: github/codeql-action/autobuild@v3
+      uses: github/codeql-action/autobuild@v4
 
     # ℹ️ Command-line programs to run using the OS shell.
     # 📚 https://git.io/JvXDl
@@ -64,4 +64,4 @@ jobs:
     #   make release
 
     - name: Perform CodeQL Analysis
-      uses: github/codeql-action/analyze@v3
+      uses: github/codeql-action/analyze@v4

core/stores/monc/cachedmodel_test.go

@@ -532,7 +532,7 @@ func createModel(t *testing.T, coll mon.Collection) *Model {
 	}
 }
 
-// mustNewTestModel  returns a test Model with the given cache.
+// mustNewTestModel returns a test Model with the given cache.
 func mustNewTestModel(collection mon.Collection, c cache.CacheConf, opts ...cache.Option) *Model {
 	return &Model{
 		Model: &mon.Model{

core/trace/agent.go

@@ -7,7 +7,6 @@ import (
 	"os"
 	"sync"
 
-	"github.com/zeromicro/go-zero/core/lang"
 	"github.com/zeromicro/go-zero/core/logx"
 	"go.opentelemetry.io/otel"
 	"go.opentelemetry.io/otel/exporters/jaeger"
@@ -30,42 +29,36 @@ const (
 )
 
 var (
-	agents = make(map[string]lang.PlaceholderType)
-	lock   sync.Mutex
-	tp     *sdktrace.TracerProvider
+	once           sync.Once
+	tp             *sdktrace.TracerProvider
+	shutdownOnceFn = sync.OnceFunc(func() {
+		if tp != nil {
+			_ = tp.Shutdown(context.Background())
+		}
+	})
 )
 
 // StartAgent starts an opentelemetry agent.
+// It uses sync.Once to ensure the agent is initialized only once,
+// similar to prometheus.StartAgent and logx.SetUp.
+// This prevents multiple ServiceConf.SetUp() calls from reinitializing
+// the global tracer provider when running multiple servers (e.g., REST + RPC)
+// in the same process.
 func StartAgent(c Config) {
 	if c.Disabled {
 		return
 	}
 
-	lock.Lock()
-	defer lock.Unlock()
-
-	_, ok := agents[c.Endpoint]
-	if ok {
-		return
-	}
-
-	// if error happens, let later calls run.
-	if err := startAgent(c); err != nil {
-		return
-	}
-
-	agents[c.Endpoint] = lang.Placeholder
+	once.Do(func() {
+		if err := startAgent(c); err != nil {
+			logx.Error(err)
+		}
+	})
 }
 
 // StopAgent shuts down the span processors in the order they were registered.
 func StopAgent() {
-	lock.Lock()
-	defer lock.Unlock()
-
-	if tp != nil {
-		_ = tp.Shutdown(context.Background())
-		tp = nil
-	}
+	shutdownOnceFn()
 }
 
 func createExporter(c Config) (sdktrace.SpanExporter, error) {

core/trace/agent_test.go

@@ -1,10 +1,13 @@
 package trace
 
 import (
+	"context"
+	"errors"
 	"testing"
 
 	"github.com/stretchr/testify/assert"
 	"github.com/zeromicro/go-zero/core/logx"
+	"go.opentelemetry.io/otel"
 )
 
 func TestStartAgent(t *testing.T) {
@@ -89,23 +92,305 @@ func TestStartAgent(t *testing.T) {
 	StartAgent(c10)
 	defer StopAgent()
 
-	lock.Lock()
-	defer lock.Unlock()
-
-	// because remotehost cannot be resolved
-	assert.Equal(t, 6, len(agents))
-	_, ok := agents[""]
-	assert.True(t, ok)
-	_, ok = agents[endpoint1]
-	assert.True(t, ok)
-	_, ok = agents[endpoint2]
-	assert.False(t, ok)
-	_, ok = agents[endpoint5]
-	assert.True(t, ok)
-	_, ok = agents[endpoint6]
-	assert.False(t, ok)
-	_, ok = agents[endpoint71]
-	assert.True(t, ok)
-	_, ok = agents[endpoint72]
-	assert.False(t, ok)
+	// With sync.Once, only the first non-disabled config (c1) takes effect.
+	// Subsequent calls are ignored, which is the desired behavior to prevent
+	// multiple servers (REST + RPC) from reinitializing the global tracer.
+	assert.NotNil(t, tp)
+}
+
+func TestCreateExporter_InvalidFilePath(t *testing.T) {
+	logx.Disable()
+
+	c := Config{
+		Name:     "test-invalid-file",
+		Endpoint: "/non-existent-directory/trace.log",
+		Batcher:  kindFile,
+	}
+
+	_, err := createExporter(c)
+	assert.Error(t, err)
+	assert.Contains(t, err.Error(), "file exporter endpoint error")
+}
+
+func TestCreateExporter_UnknownBatcher(t *testing.T) {
+	logx.Disable()
+
+	c := Config{
+		Name:     "test-unknown",
+		Endpoint: "localhost:1234",
+		Batcher:  "unknown-batcher-type",
+	}
+
+	_, err := createExporter(c)
+	assert.Error(t, err)
+	assert.Contains(t, err.Error(), "unknown exporter")
+}
+
+func TestCreateExporter_ValidExporters(t *testing.T) {
+	logx.Disable()
+
+	tests := []struct {
+		name    string
+		config  Config
+		wantErr bool
+		errMsg  string
+	}{
+		{
+			name: "valid file exporter",
+			config: Config{
+				Name:     "file-test",
+				Endpoint: "/tmp/trace-test.log",
+				Batcher:  kindFile,
+			},
+			wantErr: false,
+		},
+		{
+			name: "invalid file path",
+			config: Config{
+				Name:     "file-test-invalid",
+				Endpoint: "/invalid-path/that/does/not/exist/trace.log",
+				Batcher:  kindFile,
+			},
+			wantErr: true,
+			errMsg:  "file exporter endpoint error",
+		},
+		{
+			name: "unknown batcher",
+			config: Config{
+				Name:     "unknown-test",
+				Endpoint: "localhost:1234",
+				Batcher:  "invalid-batcher",
+			},
+			wantErr: true,
+			errMsg:  "unknown exporter",
+		},
+		{
+			name: "jaeger http",
+			config: Config{
+				Name:     "jaeger-http",
+				Endpoint: "http://localhost:14268/api/traces",
+				Batcher:  kindJaeger,
+			},
+			wantErr: false,
+		},
+		{
+			name: "jaeger udp",
+			config: Config{
+				Name:     "jaeger-udp",
+				Endpoint: "udp://localhost:6831",
+				Batcher:  kindJaeger,
+			},
+			wantErr: false,
+		},
+		{
+			name: "zipkin",
+			config: Config{
+				Name:     "zipkin",
+				Endpoint: "http://localhost:9411/api/v2/spans",
+				Batcher:  kindZipkin,
+			},
+			wantErr: false,
+		},
+		{
+			name: "otlpgrpc",
+			config: Config{
+				Name:     "otlpgrpc",
+				Endpoint: "localhost:4317",
+				Batcher:  kindOtlpGrpc,
+			},
+			wantErr: false,
+		},
+		{
+			name: "otlpgrpc with headers",
+			config: Config{
+				Name:     "otlpgrpc-headers",
+				Endpoint: "localhost:4317",
+				Batcher:  kindOtlpGrpc,
+				OtlpHeaders: map[string]string{
+					"authorization": "Bearer token123",
+					"x-custom-key":  "custom-value",
+				},
+			},
+			wantErr: false,
+		},
+		{
+			name: "otlphttp",
+			config: Config{
+				Name:     "otlphttp",
+				Endpoint: "localhost:4318",
+				Batcher:  kindOtlpHttp,
+			},
+			wantErr: false,
+		},
+		{
+			name: "otlphttp with headers",
+			config: Config{
+				Name:     "otlphttp-headers",
+				Endpoint: "localhost:4318",
+				Batcher:  kindOtlpHttp,
+				OtlpHeaders: map[string]string{
+					"authorization": "Bearer token456",
+					"x-api-key":     "api-key-value",
+				},
+			},
+			wantErr: false,
+		},
+		{
+			name: "otlphttp with headers and path",
+			config: Config{
+				Name:         "otlphttp-headers-path",
+				Endpoint:     "localhost:4318",
+				Batcher:      kindOtlpHttp,
+				OtlpHttpPath: "/v1/traces",
+				OtlpHeaders: map[string]string{
+					"authorization":  "Bearer token789",
+					"x-custom-trace": "trace-id",
+				},
+			},
+			wantErr: false,
+		},
+		{
+			name: "otlphttp with secure connection",
+			config: Config{
+				Name:           "otlphttp-secure",
+				Endpoint:       "localhost:4318",
+				Batcher:        kindOtlpHttp,
+				OtlpHttpSecure: true,
+				OtlpHeaders: map[string]string{
+					"authorization": "Bearer secure-token",
+				},
+			},
+			wantErr: false,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			exporter, err := createExporter(tt.config)
+			if tt.wantErr {
+				assert.Error(t, err)
+				if tt.errMsg != "" {
+					assert.Contains(t, err.Error(), tt.errMsg)
+				}
+				assert.Nil(t, exporter)
+			} else {
+				assert.NoError(t, err)
+				assert.NotNil(t, exporter)
+				// Clean up the exporter
+				if exporter != nil {
+					_ = exporter.Shutdown(context.Background())
+				}
+			}
+		})
+	}
+}
+
+func TestStopAgent(t *testing.T) {
+	logx.Disable()
+
+	// StopAgent should be idempotent and safe to call multiple times
+	assert.NotPanics(t, func() {
+		StopAgent()
+		StopAgent()
+		StopAgent()
+	})
+}
+
+func TestStartAgent_WithEndpoint(t *testing.T) {
+	logx.Disable()
+
+	tests := []struct {
+		name    string
+		config  Config
+		wantErr bool
+	}{
+		{
+			name: "empty endpoint - no exporter created",
+			config: Config{
+				Name:    "test-no-endpoint",
+				Sampler: 1.0,
+			},
+			wantErr: false,
+		},
+		{
+			name: "valid endpoint with file exporter",
+			config: Config{
+				Name:     "test-with-endpoint",
+				Endpoint: "/tmp/test-trace.log",
+				Batcher:  kindFile,
+				Sampler:  1.0,
+			},
+			wantErr: false,
+		},
+		{
+			name: "endpoint with invalid exporter type",
+			config: Config{
+				Name:     "test-invalid-batcher",
+				Endpoint: "localhost:1234",
+				Batcher:  "invalid-type",
+				Sampler:  1.0,
+			},
+			wantErr: true,
+		},
+		{
+			name: "endpoint with invalid file path",
+			config: Config{
+				Name:     "test-invalid-path",
+				Endpoint: "/non/existent/path/trace.log",
+				Batcher:  kindFile,
+				Sampler:  1.0,
+			},
+			wantErr: true,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			// Reset tp for each test
+			originalTp := tp
+			tp = nil
+			defer func() {
+				if tp != nil {
+					_ = tp.Shutdown(context.Background())
+				}
+				tp = originalTp
+			}()
+
+			err := startAgent(tt.config)
+			if tt.wantErr {
+				assert.Error(t, err)
+			} else {
+				assert.NoError(t, err)
+				assert.NotNil(t, tp, "TracerProvider should be created")
+			}
+		})
+	}
+}
+
+func TestStartAgent_ErrorHandler(t *testing.T) {
+	// Setup a tracer provider to test error handler
+	originalTp := tp
+	tp = nil
+	defer func() {
+		if tp != nil {
+			_ = tp.Shutdown(context.Background())
+		}
+		tp = originalTp
+	}()
+
+	// Call startAgent to set up the error handler
+	config := Config{
+		Name:    "test-error-handler",
+		Sampler: 1.0,
+	}
+	err := startAgent(config)
+	assert.NoError(t, err)
+	assert.NotNil(t, tp)
+
+	// Verify the error handler was set and can be called without panicking
+	// We test this by calling otel.Handle which will invoke the registered error handler
+	testErr := errors.New("test otel error")
+	assert.NotPanics(t, func() {
+		otel.Handle(testErr)
+	}, "Error handler should handle errors without panicking")
 }

gateway/internal/headerprocessor.go

@@ -11,16 +11,40 @@ const (
 	metadataPrefix       = "gateway-"
 )
 
+// OpenTelemetry trace propagation headers that need to be forwarded to gRPC metadata.
+// These headers are used by the W3C Trace Context standard for distributed tracing.
+var traceHeaders = map[string]bool{
+	"traceparent": true,
+	"tracestate":  true,
+	"baggage":     true,
+}
+
 // ProcessHeaders builds the headers for the gateway from HTTP headers.
+// It forwards both custom metadata headers (with Grpc-Metadata- prefix)
+// and OpenTelemetry trace propagation headers (traceparent, tracestate, baggage)
+// to ensure distributed tracing works correctly across the gateway.
 func ProcessHeaders(header http.Header) []string {
 	var headers []string
 
 	for k, v := range header {
+		// Forward OpenTelemetry trace propagation headers
+		// These must be lowercase per gRPC metadata conventions
+		if lowerKey := strings.ToLower(k); traceHeaders[lowerKey] {
+			for _, vv := range v {
+				headers = append(headers, lowerKey+":"+vv)
+			}
+			continue
+		}
+
+		// Forward custom metadata headers with Grpc-Metadata- prefix
 		if !strings.HasPrefix(k, metadataHeaderPrefix) {
 			continue
 		}
 
-		key := fmt.Sprintf("%s%s", metadataPrefix, strings.TrimPrefix(k, metadataHeaderPrefix))
+		// gRPC metadata keys are case-insensitive and stored as lowercase,
+		// so we lowercase the key to match gRPC conventions
+		trimmedKey := strings.TrimPrefix(k, metadataHeaderPrefix)
+		key := strings.ToLower(fmt.Sprintf("%s%s", metadataPrefix, trimmedKey))
 		for _, vv := range v {
 			headers = append(headers, key+":"+vv)
 		}

gateway/internal/headerprocessor_test.go

@@ -18,5 +18,93 @@ func TestBuildHeadersWithValues(t *testing.T) {
 	req := httptest.NewRequest("GET", "/", http.NoBody)
 	req.Header.Add("grpc-metadata-a", "b")
 	req.Header.Add("grpc-metadata-b", "b")
-	assert.ElementsMatch(t, []string{"gateway-A:b", "gateway-B:b"}, ProcessHeaders(req.Header))
+	assert.ElementsMatch(t, []string{"gateway-a:b", "gateway-b:b"}, ProcessHeaders(req.Header))
+}
+
+func TestProcessHeadersWithTraceContext(t *testing.T) {
+	req := httptest.NewRequest("GET", "/", http.NoBody)
+	req.Header.Set("traceparent", "00-4bf92f3577b34da6a3ce929d0e0e4736-00f067aa0ba902b7-01")
+	req.Header.Set("tracestate", "key1=value1,key2=value2")
+	req.Header.Set("baggage", "userId=alice,serverNode=DF:28")
+
+	headers := ProcessHeaders(req.Header)
+
+	assert.Len(t, headers, 3)
+	assert.Contains(t, headers, "traceparent:00-4bf92f3577b34da6a3ce929d0e0e4736-00f067aa0ba902b7-01")
+	assert.Contains(t, headers, "tracestate:key1=value1,key2=value2")
+	assert.Contains(t, headers, "baggage:userId=alice,serverNode=DF:28")
+}
+
+func TestProcessHeadersWithMixedHeaders(t *testing.T) {
+	req := httptest.NewRequest("GET", "/", http.NoBody)
+	req.Header.Set("traceparent", "00-4bf92f3577b34da6a3ce929d0e0e4736-00f067aa0ba902b7-01")
+	req.Header.Set("grpc-metadata-custom", "value1")
+	req.Header.Set("content-type", "application/json")
+	req.Header.Set("tracestate", "key1=value1")
+
+	headers := ProcessHeaders(req.Header)
+
+	// Should include trace headers and grpc-metadata headers, but not regular headers
+	assert.Len(t, headers, 3)
+	assert.Contains(t, headers, "traceparent:00-4bf92f3577b34da6a3ce929d0e0e4736-00f067aa0ba902b7-01")
+	assert.Contains(t, headers, "tracestate:key1=value1")
+	assert.Contains(t, headers, "gateway-custom:value1")
+}
+
+func TestProcessHeadersTraceparentCaseInsensitive(t *testing.T) {
+	tests := []struct {
+		name        string
+		headerKey   string
+		headerVal   string
+		expectedKey string
+	}{
+		{
+			name:        "lowercase traceparent",
+			headerKey:   "traceparent",
+			headerVal:   "00-trace-span-01",
+			expectedKey: "traceparent",
+		},
+		{
+			name:        "uppercase Traceparent",
+			headerKey:   "Traceparent",
+			headerVal:   "00-trace-span-01",
+			expectedKey: "traceparent",
+		},
+		{
+			name:        "mixed case TraceParent",
+			headerKey:   "TraceParent",
+			headerVal:   "00-trace-span-01",
+			expectedKey: "traceparent",
+		},
+		{
+			name:        "lowercase tracestate",
+			headerKey:   "tracestate",
+			headerVal:   "key=value",
+			expectedKey: "tracestate",
+		},
+		{
+			name:        "mixed case TraceState",
+			headerKey:   "TraceState",
+			headerVal:   "key=value",
+			expectedKey: "tracestate",
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			req := httptest.NewRequest("GET", "/", http.NoBody)
+			req.Header.Set(tt.headerKey, tt.headerVal)
+
+			headers := ProcessHeaders(req.Header)
+
+			assert.Len(t, headers, 1)
+			assert.Contains(t, headers, tt.expectedKey+":"+tt.headerVal)
+		})
+	}
+}
+
+func TestProcessHeadersEmptyHeaders(t *testing.T) {
+	req := httptest.NewRequest("GET", "/", http.NoBody)
+	headers := ProcessHeaders(req.Header)
+	assert.Empty(t, headers)
 }

go.mod

@@ -16,7 +16,7 @@ require (
 	github.com/jhump/protoreflect v1.17.0
 	github.com/pelletier/go-toml/v2 v2.2.2
 	github.com/prometheus/client_golang v1.21.1
-	github.com/redis/go-redis/v9 v9.14.0
+	github.com/redis/go-redis/v9 v9.16.0
 	github.com/spaolacci/murmur3 v1.1.0
 	github.com/stretchr/testify v1.11.1
 	go.etcd.io/etcd/api/v3 v3.5.15

go.sum

@@ -154,8 +154,8 @@ github.com/prometheus/common v0.62.0 h1:xasJaQlnWAeyHdUBeGjXmutelfJHWMRr+Fg4QszZ
 github.com/prometheus/common v0.62.0/go.mod h1:vyBcEuLSvWos9B1+CyL7JZ2up+uFzXhkqml0W5zIY1I=
 github.com/prometheus/procfs v0.15.1 h1:YagwOFzUgYfKKHX6Dr+sHT7km/hxC76UB0learggepc=
 github.com/prometheus/procfs v0.15.1/go.mod h1:fB45yRUv8NstnjriLhBQLuOUt+WW4BsoGhij/e3PBqk=
-github.com/redis/go-redis/v9 v9.14.0 h1:u4tNCjXOyzfgeLN+vAZaW1xUooqWDqVEsZN0U01jfAE=
-github.com/redis/go-redis/v9 v9.14.0/go.mod h1:huWgSWd8mW6+m0VPhJjSSQ+d6Nh1VICQ6Q5lHuCH/Iw=
+github.com/redis/go-redis/v9 v9.16.0 h1:OotgqgLSRCmzfqChbQyG1PHC3tLNR89DG4jdOERSEP4=
+github.com/redis/go-redis/v9 v9.16.0/go.mod h1:u410H11HMLoB+TP67dz8rL9s6QW2j76l0//kSOd3370=
 github.com/rivo/uniseg v0.2.0 h1:S1pD9weZBuJdFmowNwbpi7BJ8TNftyUImj/0WQi72jY=
 github.com/rivo/uniseg v0.2.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc=
 github.com/rogpeppe/go-internal v1.10.0 h1:TMyTOH3F/DB16zRVcYyreMH6GnZZrwQVAoYjRBZyWFQ=

tools/goctl/api/dartgen/vars.go

@@ -32,7 +32,7 @@ import '../vars/vars.dart';
 /// Send GET request.
 ///
 /// ok: the function that will be called on success.
-/// fail：the fuction that will be called on failure.
+/// fail：the function that will be called on failure.
 /// eventually：the function that will be called regardless of success or failure.
 Future apiGet(String path,
     {Map<String, String> header,
@@ -47,7 +47,7 @@ Future apiGet(String path,
 ///
 /// data: the data to post, it will be marshaled to json automatically.
 /// ok: the function that will be called on success.
-/// fail：the fuction that will be called on failure.
+/// fail：the function that will be called on failure.
 /// eventually：the function that will be called regardless of success or failure.
 Future apiPost(String path, dynamic data,
     {Map<String, String> header,

tools/goctl/api/gogen/jwt.api

@@ -1,17 +0,0 @@
-type Request {
-	Name string `path:"name,options=you|me"`
-}
-
-type Response {
-	Message string `json:"message"`
-}
-
-@server(
-	jwt: Auth
-	jwtTransition: Trans
-	middleware: TokenValidate
-)
-service A-api {
-	@handler GreetHandler
-	get /greet/from/:name(Request) returns (Response)
-}

tools/goctl/api/parser/g4/ast/service.go

@@ -268,7 +268,7 @@ func (v *ApiVisitor) VisitReplybody(ctx *api.ReplybodyContext) any {
 				v.panic(lit.Expr(), fmt.Sprintf("expecting 'ID', but found golang keyword '%s'", lit.Expr().Text()))
 			}
 		default:
-			v.panic(dt.Expr(), fmt.Sprintf("unsupport %s", dt.Expr().Text()))
+			v.panic(dt.Expr(), fmt.Sprintf("unsupported %s", dt.Expr().Text()))
 		}
 	case *Literal:
 		lit := dataType.Literal.Text()
@@ -276,7 +276,7 @@ func (v *ApiVisitor) VisitReplybody(ctx *api.ReplybodyContext) any {
 			v.panic(dataType.Literal, fmt.Sprintf("expecting 'ID', but found golang keyword '%s'", lit))
 		}
 	default:
-		v.panic(dt.Expr(), fmt.Sprintf("unsupport %s", dt.Expr().Text()))
+		v.panic(dt.Expr(), fmt.Sprintf("unsupported %s", dt.Expr().Text()))
 	}
 
 	return &Body{

tools/goctl/api/parser/g4/ast/type.go

@@ -190,7 +190,7 @@ func (v *ApiVisitor) VisitTypeBlockStruct(ctx *api.TypeBlockStructContext) any {
 		structExpr := v.newExprWithToken(ctx.GetStructToken())
 		structTokenText := ctx.GetStructToken().GetText()
 		if structTokenText != "struct" {
-			v.panic(structExpr, fmt.Sprintf("expecting 'struct', found imput '%s'", structTokenText))
+			v.panic(structExpr, fmt.Sprintf("expecting 'struct', found input '%s'", structTokenText))
 		}
 
 		if api.IsGolangKeyWord(structTokenText, "struct") {

tools/goctl/api/parser/parser.go

@@ -18,7 +18,7 @@ type parser struct {
 }
 
 // Parse parses the api file.
-// Depreacted: use tools/goctl/pkg/parser/api/parser/parser.go:18 instead,
+// Deprecated: use tools/goctl/pkg/parser/api/parser/parser.go:18 instead,
 // it will be removed in the future.
 func Parse(filename string) (*spec.ApiSpec, error) {
 	if env.UseExperimental() {
@@ -63,14 +63,14 @@ func parseContent(content string, skipCheckTypeDeclaration bool, filename ...str
 	return apiSpec, nil
 }
 
-// Depreacted: use tools/goctl/pkg/parser/api/parser/parser.go:18 instead,
+// Deprecated: use tools/goctl/pkg/parser/api/parser/parser.go:18 instead,
 // it will be removed in the future.
 // ParseContent parses the api content
 func ParseContent(content string, filename ...string) (*spec.ApiSpec, error) {
 	return parseContent(content, false, filename...)
 }
 
-// Depreacted: use tools/goctl/pkg/parser/api/parser/parser.go:18 instead,
+// Deprecated: use tools/goctl/pkg/parser/api/parser/parser.go:18 instead,
 // it will be removed in the future.
 // ParseContentWithParserSkipCheckTypeDeclaration parses the api content with skip check type declaration
 func ParseContentWithParserSkipCheckTypeDeclaration(content string, filename ...string) (*spec.ApiSpec, error) {
@@ -227,7 +227,7 @@ func (p parser) astTypeToSpec(in ast.DataType) spec.Type {
 		return spec.PointerType{RawName: v.PointerExpr.Text(), Type: spec.DefineStruct{RawName: raw}}
 	}
 
-	panic(fmt.Sprintf("unspported type %+v", in))
+	panic(fmt.Sprintf("unsupported type %+v", in))
 }
 
 func (p parser) stringExprs(docs []ast.Expr) []string {

tools/goctl/api/swagger/parameter.go

@@ -8,28 +8,37 @@ import (
 	apiSpec "github.com/zeromicro/go-zero/tools/goctl/api/spec"
 )
 
-func isPostJson(ctx Context, method string, tp apiSpec.Type) (string, bool) {
-	if !strings.EqualFold(method, http.MethodPost) {
+func isRequestBodyJson(ctx Context, method string, tp apiSpec.Type) (string, bool) {
+	// Support HTTP methods that commonly use request bodies with JSON
+	// POST, PUT, PATCH are standard methods with bodies
+	// DELETE can also have a body (though less common)
+	method = strings.ToUpper(method)
+	if method != http.MethodPost && method != http.MethodPut &&
+		method != http.MethodPatch && method != http.MethodDelete {
 		return "", false
 	}
+
 	structType, ok := tp.(apiSpec.DefineStruct)
 	if !ok {
 		return "", false
 	}
-	var isPostJson bool
+
+	var hasJsonField bool
 	rangeMemberAndDo(ctx, structType, func(tag *apiSpec.Tags, required bool, member apiSpec.Member) {
 		jsonTag, _ := tag.Get(tagJson)
-		if !isPostJson {
-			isPostJson = jsonTag != nil
+		if !hasJsonField {
+			hasJsonField = jsonTag != nil
 		}
 	})
-	return structType.RawName, isPostJson
+
+	return structType.RawName, hasJsonField
 }
 
 func parametersFromType(ctx Context, method string, tp apiSpec.Type) []spec.Parameter {
 	if tp == nil {
 		return []spec.Parameter{}
 	}
+
 	structType, ok := tp.(apiSpec.DefineStruct)
 	if !ok {
 		return []spec.Parameter{}
@@ -43,15 +52,13 @@ func parametersFromType(ctx Context, method string, tp apiSpec.Type) []spec.Para
 	rangeMemberAndDo(ctx, structType, func(tag *apiSpec.Tags, required bool, member apiSpec.Member) {
 		headerTag, _ := tag.Get(tagHeader)
 		hasHeader := headerTag != nil
-
 		pathParameterTag, _ := tag.Get(tagPath)
 		hasPathParameter := pathParameterTag != nil
-
 		formTag, _ := tag.Get(tagForm)
 		hasForm := formTag != nil
-
 		jsonTag, _ := tag.Get(tagJson)
 		hasJson := jsonTag != nil
+
 		if hasHeader {
 			minimum, maximum, exclusiveMinimum, exclusiveMaximum := rangeValueFromOptions(headerTag.Options)
 			resp = append(resp, spec.Parameter{
@@ -75,6 +82,7 @@ func parametersFromType(ctx Context, method string, tp apiSpec.Type) []spec.Para
 				},
 			})
 		}
+
 		if hasPathParameter {
 			minimum, maximum, exclusiveMinimum, exclusiveMaximum := rangeValueFromOptions(pathParameterTag.Options)
 			resp = append(resp, spec.Parameter{
@@ -98,6 +106,7 @@ func parametersFromType(ctx Context, method string, tp apiSpec.Type) []spec.Para
 				},
 			})
 		}
+
 		if hasForm {
 			minimum, maximum, exclusiveMinimum, exclusiveMaximum := rangeValueFromOptions(formTag.Options)
 			if strings.EqualFold(method, http.MethodGet) {
@@ -145,8 +154,8 @@ func parametersFromType(ctx Context, method string, tp apiSpec.Type) []spec.Para
 					},
 				})
 			}
-
 		}
+
 		if hasJson {
 			minimum, maximum, exclusiveMinimum, exclusiveMaximum := rangeValueFromOptions(jsonTag.Options)
 			if required {
@@ -179,9 +188,10 @@ func parametersFromType(ctx Context, method string, tp apiSpec.Type) []spec.Para
 			properties[jsonTag.Name] = schema
 		}
 	})
+
 	if len(properties) > 0 {
 		if ctx.UseDefinitions {
-			structName, ok := isPostJson(ctx, method, tp)
+			structName, ok := isRequestBodyJson(ctx, method, tp)
 			if ok {
 				resp = append(resp, spec.Parameter{
 					ParamProps: spec.ParamProps{
@@ -213,5 +223,6 @@ func parametersFromType(ctx Context, method string, tp apiSpec.Type) []spec.Para
 			})
 		}
 	}
+
 	return resp
 }

tools/goctl/api/swagger/parameter_test.go

@@ -8,7 +8,7 @@ import (
 	apiSpec "github.com/zeromicro/go-zero/tools/goctl/api/spec"
 )
 
-func TestIsPostJson(t *testing.T) {
+func TestIsRequestBodyJson(t *testing.T) {
 	tests := []struct {
 		name     string
 		method   string
@@ -18,13 +18,18 @@ func TestIsPostJson(t *testing.T) {
 		{"POST with JSON", http.MethodPost, true, true},
 		{"POST without JSON", http.MethodPost, false, false},
 		{"GET with JSON", http.MethodGet, true, false},
-		{"PUT with JSON", http.MethodPut, true, false},
+		{"PUT with JSON", http.MethodPut, true, true},
+		{"PUT without JSON", http.MethodPut, false, false},
+		{"PATCH with JSON", http.MethodPatch, true, true},
+		{"PATCH without JSON", http.MethodPatch, false, false},
+		{"DELETE with JSON", http.MethodDelete, true, true},
+		{"DELETE without JSON", http.MethodDelete, false, false},
 	}
 
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
 			testStruct := createTestStruct("TestStruct", tt.hasJson)
-			_, result := isPostJson(testingContext(t), tt.method, testStruct)
+			_, result := isRequestBodyJson(testingContext(t), tt.method, testStruct)
 			assert.Equal(t, tt.expected, result)
 		})
 	}
@@ -41,6 +46,12 @@ func TestParametersFromType(t *testing.T) {
 	}{
 		{"POST JSON with definitions", http.MethodPost, true, true, 1, true},
 		{"POST JSON without definitions", http.MethodPost, false, true, 1, true},
+		{"PUT JSON with definitions", http.MethodPut, true, true, 1, true},
+		{"PUT JSON without definitions", http.MethodPut, false, true, 1, true},
+		{"PATCH JSON with definitions", http.MethodPatch, true, true, 1, true},
+		{"PATCH JSON without definitions", http.MethodPatch, false, true, 1, true},
+		{"DELETE JSON with definitions", http.MethodDelete, true, true, 1, true},
+		{"DELETE JSON without definitions", http.MethodDelete, false, true, 1, true},
 		{"GET with form", http.MethodGet, false, false, 1, false},
 		{"POST with form", http.MethodPost, false, false, 1, false},
 	}

tools/goctl/api/tsgen/gen_test.go

@@ -0,0 +1,163 @@
+package tsgen
+
+import (
+	"os"
+	"path/filepath"
+	"strings"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/zeromicro/go-zero/tools/goctl/api/parser"
+)
+
+func TestGenWithInlineStructs(t *testing.T) {
+	// Create a temporary directory for the test
+	tmpDir := t.TempDir()
+	apiFile := filepath.Join(tmpDir, "test.api")
+
+	// Write the test API file
+	apiContent := `syntax = "v1"
+
+info (
+	title:   "Test ts generator"
+	desc:    "Test inline struct handling"
+	author:  "test"
+	version: "v1"
+)
+
+// common pagination request
+type PaginationReq {
+	PageNum  int ` + "`form:\"pageNum\"`" + `
+	PageSize int ` + "`form:\"pageSize\"`" + `
+}
+
+// base response
+type BaseResp {
+	Code int64  ` + "`json:\"code\"`" + `
+	Msg  string ` + "`json:\"msg\"`" + `
+}
+
+// common req
+type GetListCommonReq {
+	Sth      string ` + "`form:\"sth\"`" + `
+	PageNum  int    ` + "`form:\"pageNum\"`" + `
+	PageSize int    ` + "`form:\"pageSize\"`" + `
+}
+
+// bad req to ts - inline struct with form tags
+type GetListBadReq {
+	Sth string ` + "`form:\"sth\"`" + `
+	PaginationReq
+}
+
+// bad req to ts 2 - only inline struct with form tags
+type GetListBad2Req {
+	PaginationReq
+}
+
+// GetListResp - inline struct with json tags
+type GetListResp {
+	BaseResp
+}
+
+service test-api {
+	@doc "common req"
+	@handler getListCommon
+	get /getListCommon (GetListCommonReq) returns (GetListResp)
+
+	@doc "bad req"
+	@handler getListBad
+	get /getListBad (GetListBadReq) returns (GetListResp)
+
+	@doc "bad req 2"
+	@handler getListBad2
+	get /getListBad2 (GetListBad2Req) returns (GetListResp)
+
+	@doc "no req"
+	@handler getListNoReq
+	get /getListNoReq returns (GetListResp)
+}`
+
+	err := os.WriteFile(apiFile, []byte(apiContent), 0644)
+	assert.NoError(t, err)
+
+	// Parse the API file
+	api, err := parser.Parse(apiFile)
+	assert.NoError(t, err)
+
+	// Generate TypeScript files
+	outputDir := filepath.Join(tmpDir, "output")
+	err = os.MkdirAll(outputDir, 0755)
+	assert.NoError(t, err)
+
+	// Generate the files directly
+	api.Service = api.Service.JoinPrefix()
+	err = genRequest(outputDir)
+	assert.NoError(t, err)
+	err = genHandler(outputDir, ".", "webapi", api, false)
+	assert.NoError(t, err)
+	err = genComponents(outputDir, api)
+	assert.NoError(t, err)
+
+	// Read generated handler file
+	handlerFile := filepath.Join(outputDir, "test.ts")
+	handlerContent, err := os.ReadFile(handlerFile)
+	assert.NoError(t, err)
+	handler := string(handlerContent)
+
+	// Read generated components file
+	componentsFile := filepath.Join(outputDir, "testComponents.ts")
+	componentsContent, err := os.ReadFile(componentsFile)
+	assert.NoError(t, err)
+	components := string(componentsContent)
+
+	// Verify getListBad function signature and call
+	assert.Contains(t, handler, "export function getListBad(params: components.GetListBadReqParams)")
+	assert.Contains(t, handler, "return webapi.get<components.GetListResp>(`/getListBad`, params)")
+	// Should NOT contain 4 arguments
+	assert.NotContains(t, handler, "getListBad`, params, req, headers")
+
+	// Verify getListBad2 function signature and call
+	assert.Contains(t, handler, "export function getListBad2(params: components.GetListBad2ReqParams)")
+	assert.Contains(t, handler, "return webapi.get<components.GetListResp>(`/getListBad2`, params)")
+	// Should NOT reference non-existent headers
+	assert.NotContains(t, handler, "GetListBad2ReqHeaders")
+
+	// Verify getListCommon function signature and call
+	assert.Contains(t, handler, "export function getListCommon(params: components.GetListCommonReqParams)")
+	assert.Contains(t, handler, "return webapi.get<components.GetListResp>(`/getListCommon`, params)")
+
+	// Verify getListNoReq function signature and call
+	assert.Contains(t, handler, "export function getListNoReq()")
+	assert.Contains(t, handler, "return webapi.get<components.GetListResp>(`/getListNoReq`)")
+
+	// Verify GetListBadReqParams contains flattened fields
+	assert.Contains(t, components, "export interface GetListBadReqParams")
+	// Count occurrences of fields in GetListBadReqParams
+	paramsStart := strings.Index(components, "export interface GetListBadReqParams")
+	paramsEnd := strings.Index(components[paramsStart:], "}")
+	paramsSection := components[paramsStart : paramsStart+paramsEnd]
+	assert.Contains(t, paramsSection, "sth: string")
+	assert.Contains(t, paramsSection, "pageNum: number")
+	assert.Contains(t, paramsSection, "pageSize: number")
+
+	// Verify GetListBad2ReqParams contains flattened fields from inline PaginationReq
+	assert.Contains(t, components, "export interface GetListBad2ReqParams")
+	params2Start := strings.Index(components, "export interface GetListBad2ReqParams")
+	params2End := strings.Index(components[params2Start:], "}")
+	params2Section := components[params2Start : params2Start+params2End]
+	assert.Contains(t, params2Section, "pageNum: number")
+	assert.Contains(t, params2Section, "pageSize: number")
+
+	// Verify no empty Headers interfaces are generated
+	assert.NotContains(t, components, "GetListBadReqHeaders")
+	assert.NotContains(t, components, "GetListBad2ReqHeaders")
+
+	// Verify GetListResp contains flattened fields from BaseResp
+	assert.Contains(t, components, "export interface GetListResp")
+	respStart := strings.Index(components, "export interface GetListResp")
+	respEnd := strings.Index(components[respStart:], "}")
+	respSection := components[respStart : respStart+respEnd]
+	assert.Contains(t, respSection, "code: number")
+	assert.Contains(t, respSection, "msg: string")
+}

tools/goctl/api/tsgen/genpacket.go

@@ -212,7 +212,7 @@ func pathHasParams(route spec.Route) bool {
 		return false
 	}
 
-	return len(ds.Members) != len(ds.GetBodyMembers())
+	return hasActualNonBodyMembers(ds)
 }
 
 func hasRequestBody(route spec.Route) bool {
@@ -221,7 +221,7 @@ func hasRequestBody(route spec.Route) bool {
 		return false
 	}
 
-	return len(route.RequestTypeName()) > 0 && len(ds.GetBodyMembers()) > 0
+	return len(route.RequestTypeName()) > 0 && hasActualBodyMembers(ds)
 }
 
 func hasRequestPath(route spec.Route) bool {
@@ -230,7 +230,7 @@ func hasRequestPath(route spec.Route) bool {
 		return false
 	}
 
-	return len(route.RequestTypeName()) > 0 && len(ds.GetTagMembers(pathTagKey)) > 0
+	return len(route.RequestTypeName()) > 0 && hasActualTagMembers(ds, pathTagKey)
 }
 
 func hasRequestHeader(route spec.Route) bool {
@@ -239,5 +239,5 @@ func hasRequestHeader(route spec.Route) bool {
 		return false
 	}
 
-	return len(route.RequestTypeName()) > 0 && len(ds.GetTagMembers(headerTagKey)) > 0
+	return len(route.RequestTypeName()) > 0 && hasActualTagMembers(ds, headerTagKey)
 }

tools/goctl/api/tsgen/util.go

@@ -164,13 +164,13 @@ func writeType(writer io.Writer, tp spec.Type) error {
 }
 
 func genParamsTypesIfNeed(writer io.Writer, tp spec.Type) error {
-	definedType, ok := tp.(spec.DefineStruct)
+	_, ok := tp.(spec.DefineStruct)
 	if !ok {
 		return errors.New("no members of type " + tp.Name())
 	}
 
-	members := definedType.GetNonBodyMembers()
-	if len(members) == 0 {
+	// Check if there are actual non-body members (recursively through inline structs)
+	if !hasActualNonBodyMembers(tp) {
 		return nil
 	}
 
@@ -180,7 +180,7 @@ func genParamsTypesIfNeed(writer io.Writer, tp spec.Type) error {
 	}
 	fmt.Fprintf(writer, "}\n")
 
-	if len(definedType.GetTagMembers(headerTagKey)) > 0 {
+	if hasActualTagMembers(tp, headerTagKey) {
 		fmt.Fprintf(writer, "export interface %sHeaders {\n", util.Title(tp.Name()))
 		if err := writeTagMembers(writer, tp, headerTagKey); err != nil {
 			return err
@@ -247,3 +247,87 @@ func writeTagMembers(writer io.Writer, tp spec.Type, tagKey string) error {
 	}
 	return nil
 }
+
+// hasActualTagMembers checks if a type has actual members with the given tag,
+// recursively checking inline/embedded structs
+func hasActualTagMembers(tp spec.Type, tagKey string) bool {
+	definedType, ok := tp.(spec.DefineStruct)
+	if !ok {
+		pointType, ok := tp.(spec.PointerType)
+		if ok {
+			return hasActualTagMembers(pointType.Type, tagKey)
+		}
+		return false
+	}
+
+	for _, m := range definedType.Members {
+		if m.IsInline {
+			// Recursively check inline members
+			if hasActualTagMembers(m.Type, tagKey) {
+				return true
+			}
+		} else {
+			// Check non-inline members for the tag
+			if m.IsTagMember(tagKey) {
+				return true
+			}
+		}
+	}
+	return false
+}
+
+// hasActualBodyMembers checks if a type has actual body members (json tags),
+// recursively checking inline/embedded structs
+func hasActualBodyMembers(tp spec.Type) bool {
+	definedType, ok := tp.(spec.DefineStruct)
+	if !ok {
+		pointType, ok := tp.(spec.PointerType)
+		if ok {
+			return hasActualBodyMembers(pointType.Type)
+		}
+		return false
+	}
+
+	for _, m := range definedType.Members {
+		if m.IsInline {
+			// Recursively check inline members
+			if hasActualBodyMembers(m.Type) {
+				return true
+			}
+		} else {
+			// Check non-inline members for json tag
+			if m.IsBodyMember() {
+				return true
+			}
+		}
+	}
+	return false
+}
+
+// hasActualNonBodyMembers checks if a type has actual non-body members (form, path, header tags),
+// recursively checking inline/embedded structs
+func hasActualNonBodyMembers(tp spec.Type) bool {
+	definedType, ok := tp.(spec.DefineStruct)
+	if !ok {
+		pointType, ok := tp.(spec.PointerType)
+		if ok {
+			return hasActualNonBodyMembers(pointType.Type)
+		}
+		return false
+	}
+
+	for _, m := range definedType.Members {
+		if m.IsInline {
+			// Recursively check inline members
+			if hasActualNonBodyMembers(m.Type) {
+				return true
+			}
+		} else {
+			// Check non-inline members for non-body tags
+			if !m.IsBodyMember() {
+				return true
+			}
+		}
+	}
+	return false
+}

tools/goctl/api/tsgen/util_test.go

@@ -37,3 +37,268 @@ func TestGenTsType(t *testing.T) {
 	}
 	assert.Equal(t, `1 | 3 | 4 | 123`, ty)
 }
+
+func TestHasActualTagMembers(t *testing.T) {
+	// Test with no members
+	emptyStruct := spec.DefineStruct{
+		RawName: "Empty",
+		Members: []spec.Member{},
+	}
+	assert.False(t, hasActualTagMembers(emptyStruct, "form"))
+	assert.False(t, hasActualTagMembers(emptyStruct, "header"))
+
+	// Test with direct form members
+	directFormStruct := spec.DefineStruct{
+		RawName: "DirectForm",
+		Members: []spec.Member{
+			{
+				Name: "Field1",
+				Type: spec.PrimitiveType{RawName: "string"},
+				Tag:  `form:"field1"`,
+			},
+		},
+	}
+	assert.True(t, hasActualTagMembers(directFormStruct, "form"))
+	assert.False(t, hasActualTagMembers(directFormStruct, "header"))
+
+	// Test with inline struct containing form members
+	inlineFormStruct := spec.DefineStruct{
+		RawName: "PaginationReq",
+		Members: []spec.Member{
+			{
+				Name: "PageNum",
+				Type: spec.PrimitiveType{RawName: "int"},
+				Tag:  `form:"pageNum"`,
+			},
+			{
+				Name: "PageSize",
+				Type: spec.PrimitiveType{RawName: "int"},
+				Tag:  `form:"pageSize"`,
+			},
+		},
+	}
+	parentStruct := spec.DefineStruct{
+		RawName: "ParentReq",
+		Members: []spec.Member{
+			{
+				Name:     "",
+				Type:     inlineFormStruct,
+				IsInline: true,
+			},
+		},
+	}
+	assert.True(t, hasActualTagMembers(parentStruct, "form"))
+	assert.False(t, hasActualTagMembers(parentStruct, "header"))
+
+	// Test with both direct and inline members
+	mixedStruct := spec.DefineStruct{
+		RawName: "MixedReq",
+		Members: []spec.Member{
+			{
+				Name: "Sth",
+				Type: spec.PrimitiveType{RawName: "string"},
+				Tag:  `form:"sth"`,
+			},
+			{
+				Name:     "",
+				Type:     inlineFormStruct,
+				IsInline: true,
+			},
+		},
+	}
+	assert.True(t, hasActualTagMembers(mixedStruct, "form"))
+	assert.False(t, hasActualTagMembers(mixedStruct, "header"))
+
+	// Test with inline struct containing only json members (body members)
+	inlineJsonStruct := spec.DefineStruct{
+		RawName: "JsonStruct",
+		Members: []spec.Member{
+			{
+				Name: "Code",
+				Type: spec.PrimitiveType{RawName: "int64"},
+				Tag:  `json:"code"`,
+			},
+			{
+				Name: "Msg",
+				Type: spec.PrimitiveType{RawName: "string"},
+				Tag:  `json:"msg"`,
+			},
+		},
+	}
+	parentJsonStruct := spec.DefineStruct{
+		RawName: "ParentResp",
+		Members: []spec.Member{
+			{
+				Name:     "",
+				Type:     inlineJsonStruct,
+				IsInline: true,
+			},
+		},
+	}
+	assert.False(t, hasActualTagMembers(parentJsonStruct, "form"))
+	assert.False(t, hasActualTagMembers(parentJsonStruct, "header"))
+}
+
+func TestHasActualBodyMembers(t *testing.T) {
+	// Test with no members
+	emptyStruct := spec.DefineStruct{
+		RawName: "Empty",
+		Members: []spec.Member{},
+	}
+	assert.False(t, hasActualBodyMembers(emptyStruct))
+
+	// Test with direct json members
+	directJsonStruct := spec.DefineStruct{
+		RawName: "DirectJson",
+		Members: []spec.Member{
+			{
+				Name: "Code",
+				Type: spec.PrimitiveType{RawName: "int64"},
+				Tag:  `json:"code"`,
+			},
+		},
+	}
+	assert.True(t, hasActualBodyMembers(directJsonStruct))
+
+	// Test with inline struct containing json members
+	inlineJsonStruct := spec.DefineStruct{
+		RawName: "BaseResp",
+		Members: []spec.Member{
+			{
+				Name: "Code",
+				Type: spec.PrimitiveType{RawName: "int64"},
+				Tag:  `json:"code"`,
+			},
+			{
+				Name: "Msg",
+				Type: spec.PrimitiveType{RawName: "string"},
+				Tag:  `json:"msg"`,
+			},
+		},
+	}
+	parentStruct := spec.DefineStruct{
+		RawName: "ParentResp",
+		Members: []spec.Member{
+			{
+				Name:     "",
+				Type:     inlineJsonStruct,
+				IsInline: true,
+			},
+		},
+	}
+	assert.True(t, hasActualBodyMembers(parentStruct))
+
+	// Test with inline struct containing only form members (not body members)
+	inlineFormStruct := spec.DefineStruct{
+		RawName: "PaginationReq",
+		Members: []spec.Member{
+			{
+				Name: "PageNum",
+				Type: spec.PrimitiveType{RawName: "int"},
+				Tag:  `form:"pageNum"`,
+			},
+		},
+	}
+	parentFormStruct := spec.DefineStruct{
+		RawName: "ParentReq",
+		Members: []spec.Member{
+			{
+				Name:     "",
+				Type:     inlineFormStruct,
+				IsInline: true,
+			},
+		},
+	}
+	assert.False(t, hasActualBodyMembers(parentFormStruct))
+}
+
+func TestHasActualNonBodyMembers(t *testing.T) {
+	// Test with no members
+	emptyStruct := spec.DefineStruct{
+		RawName: "Empty",
+		Members: []spec.Member{},
+	}
+	assert.False(t, hasActualNonBodyMembers(emptyStruct))
+
+	// Test with direct form members
+	directFormStruct := spec.DefineStruct{
+		RawName: "DirectForm",
+		Members: []spec.Member{
+			{
+				Name: "Field1",
+				Type: spec.PrimitiveType{RawName: "string"},
+				Tag:  `form:"field1"`,
+			},
+		},
+	}
+	assert.True(t, hasActualNonBodyMembers(directFormStruct))
+
+	// Test with inline struct containing form members
+	inlineFormStruct := spec.DefineStruct{
+		RawName: "PaginationReq",
+		Members: []spec.Member{
+			{
+				Name: "PageNum",
+				Type: spec.PrimitiveType{RawName: "int"},
+				Tag:  `form:"pageNum"`,
+			},
+			{
+				Name: "PageSize",
+				Type: spec.PrimitiveType{RawName: "int"},
+				Tag:  `form:"pageSize"`,
+			},
+		},
+	}
+	parentStruct := spec.DefineStruct{
+		RawName: "ParentReq",
+		Members: []spec.Member{
+			{
+				Name:     "",
+				Type:     inlineFormStruct,
+				IsInline: true,
+			},
+		},
+	}
+	assert.True(t, hasActualNonBodyMembers(parentStruct))
+
+	// Test with inline struct containing only json members (body members)
+	inlineJsonStruct := spec.DefineStruct{
+		RawName: "BaseResp",
+		Members: []spec.Member{
+			{
+				Name: "Code",
+				Type: spec.PrimitiveType{RawName: "int64"},
+				Tag:  `json:"code"`,
+			},
+		},
+	}
+	parentJsonStruct := spec.DefineStruct{
+		RawName: "ParentResp",
+		Members: []spec.Member{
+			{
+				Name:     "",
+				Type:     inlineJsonStruct,
+				IsInline: true,
+			},
+		},
+	}
+	assert.False(t, hasActualNonBodyMembers(parentJsonStruct))
+
+	// Test with both direct and inline non-body members
+	mixedStruct := spec.DefineStruct{
+		RawName: "MixedReq",
+		Members: []spec.Member{
+			{
+				Name: "Sth",
+				Type: spec.PrimitiveType{RawName: "string"},
+				Tag:  `form:"sth"`,
+			},
+			{
+				Name:     "",
+				Type:     inlineFormStruct,
+				IsInline: true,
+			},
+		},
+	}
+	assert.True(t, hasActualNonBodyMembers(mixedStruct))
+}

tools/goctl/docker/docker.go

@@ -73,6 +73,7 @@ func dockerCommand(_ *cobra.Command, _ []string) (err error) {
 
 	base := varStringBase
 	port := varIntPort
+	etcDir := filepath.Join(filepath.Dir(goFile), etcDir)
 	if _, err := os.Stat(etcDir); os.IsNotExist(err) {
 		return generateDockerfile(goFile, base, port, version, timezone)
 	}
@@ -170,7 +171,7 @@ func generateDockerfile(goFile, base string, port int, version, timezone string,
 	t := template.Must(template.New("dockerfile").Parse(text))
 	return t.Execute(out, Docker{
 		Chinese:     env.InChina(),
-		GoMainFrom:  path.Join(projPath, goFile),
+		GoMainFrom:  path.Join(projPath, filepath.Base(goFile)),
 		GoRelPath:   projPath,
 		GoFile:      goFile,
 		ExeFile:     exeName,

tools/goctl/docker/docker_test.go

@@ -0,0 +1,376 @@
+package docker
+
+import (
+	"os"
+	"path/filepath"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestDockerCommand_EtcDirResolution(t *testing.T) {
+	// Create a temporary project structure
+	tempDir := t.TempDir()
+	
+	// Create project structure: project/service/api/
+	serviceDir := filepath.Join(tempDir, "service", "api")
+	etcDir := filepath.Join(serviceDir, "etc")
+	require.NoError(t, os.MkdirAll(etcDir, 0755))
+	
+	// Create a Go file
+	goFile := filepath.Join(serviceDir, "api.go")
+	require.NoError(t, os.WriteFile(goFile, []byte("package main\n\nfunc main() {}"), 0644))
+	
+	// Create a config file
+	configFile := filepath.Join(etcDir, "config.yaml")
+	require.NoError(t, os.WriteFile(configFile, []byte("Name: test\n"), 0644))
+	
+	// Create go.mod at the root
+	goModFile := filepath.Join(tempDir, "go.mod")
+	require.NoError(t, os.WriteFile(goModFile, []byte("module test\n\ngo 1.21\n"), 0644))
+	
+	// Test: etc directory should be found relative to Go file, not CWD
+	t.Run("etc directory resolved relative to go file", func(t *testing.T) {
+		// Save and restore original working directory
+		originalWd, err := os.Getwd()
+		require.NoError(t, err)
+		defer func() {
+			require.NoError(t, os.Chdir(originalWd))
+		}()
+		
+		// Change to temp directory (not service/api directory)
+		require.NoError(t, os.Chdir(tempDir))
+		
+		// The relative path from tempDir to the go file
+		relGoFile := filepath.Join("service", "api", "api.go")
+		
+		// Test the etc directory resolution logic
+		resolvedEtcDir := filepath.Join(filepath.Dir(relGoFile), "etc")
+		
+		// Verify the resolved path exists
+		_, err = os.Stat(resolvedEtcDir)
+		assert.NoError(t, err, "etc directory should be found at service/api/etc")
+		
+		// Verify it's the correct path (use EvalSymlinks to handle /private on macOS)
+		absResolvedEtc, err := filepath.Abs(resolvedEtcDir)
+		require.NoError(t, err)
+		absResolvedEtc, err = filepath.EvalSymlinks(absResolvedEtc)
+		require.NoError(t, err)
+		expectedEtc, err := filepath.EvalSymlinks(etcDir)
+		require.NoError(t, err)
+		assert.Equal(t, expectedEtc, absResolvedEtc)
+	})
+	
+	t.Run("etc directory with empty goFile", func(t *testing.T) {
+		// When goFile is empty, should default to "./etc"
+		goFile := ""
+		resolvedEtcDir := filepath.Join(filepath.Dir(goFile), "etc")
+		
+		// Should resolve to just "etc"
+		assert.Equal(t, "etc", resolvedEtcDir)
+	})
+	
+	t.Run("etc directory with absolute path", func(t *testing.T) {
+		// When goFile is absolute path
+		absGoFile := filepath.Join(tempDir, "service", "api", "api.go")
+		resolvedEtcDir := filepath.Join(filepath.Dir(absGoFile), "etc")
+		
+		// Should resolve correctly
+		_, err := os.Stat(resolvedEtcDir)
+		assert.NoError(t, err)
+	})
+}
+
+func TestGenerateDockerfile_GoMainFromPath(t *testing.T) {
+	tests := []struct {
+		name         string
+		goFile       string
+		projPath     string
+		expectedPath string
+	}{
+		{
+			name:         "relative path with subdirectory",
+			goFile:       "service/api/api.go",
+			projPath:     "service/api",
+			expectedPath: "service/api/api.go",
+		},
+		{
+			name:         "simple filename",
+			goFile:       "main.go",
+			projPath:     ".",
+			expectedPath: "main.go",
+		},
+		{
+			name:         "nested service path",
+			goFile:       "internal/service/user/user.go",
+			projPath:     "internal/service/user",
+			expectedPath: "internal/service/user/user.go",
+		},
+		{
+			name:         "deep nested path",
+			goFile:       "cmd/api/internal/handler/handler.go",
+			projPath:     "cmd/api/internal/handler",
+			expectedPath: "cmd/api/internal/handler/handler.go",
+		},
+	}
+	
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			// Simulate the fix: using filepath.Base instead of full path
+			goMainFrom := filepath.Join(tt.projPath, filepath.Base(tt.goFile))
+			
+			assert.Equal(t, tt.expectedPath, goMainFrom,
+				"GoMainFrom should not duplicate path segments")
+			
+			// Verify the old buggy behavior would have been wrong
+			if tt.goFile != filepath.Base(tt.goFile) {
+				buggyPath := filepath.Join(tt.projPath, tt.goFile)
+				assert.NotEqual(t, tt.expectedPath, buggyPath,
+					"Old implementation would have created incorrect path")
+			}
+		})
+	}
+}
+
+func TestGenerateDockerfile_PathJoinBehavior(t *testing.T) {
+	t.Run("demonstrates the bug and fix", func(t *testing.T) {
+		projPath := "service/api"
+		goFile := "service/api/api.go"
+		
+		// OLD (buggy) behavior: path duplication
+		buggyPath := filepath.Join(projPath, goFile)
+		assert.Equal(t, "service/api/service/api/api.go", buggyPath,
+			"Bug: path segments are duplicated")
+		
+		// NEW (fixed) behavior: correct path
+		fixedPath := filepath.Join(projPath, filepath.Base(goFile))
+		assert.Equal(t, "service/api/api.go", fixedPath,
+			"Fix: using filepath.Base prevents duplication")
+	})
+}
+
+func TestFindConfig(t *testing.T) {
+	tempDir := t.TempDir()
+	etcDir := filepath.Join(tempDir, "etc")
+	require.NoError(t, os.MkdirAll(etcDir, 0755))
+	
+	t.Run("finds config matching go file name", func(t *testing.T) {
+		// Create config files
+		require.NoError(t, os.WriteFile(
+			filepath.Join(etcDir, "api.yaml"), []byte("test"), 0644))
+		require.NoError(t, os.WriteFile(
+			filepath.Join(etcDir, "other.yaml"), []byte("test"), 0644))
+		
+		cfg, err := findConfig("api.go", etcDir)
+		assert.NoError(t, err)
+		assert.Equal(t, "api.yaml", cfg)
+	})
+	
+	t.Run("returns first config when no match", func(t *testing.T) {
+		etcDir2 := filepath.Join(tempDir, "etc2")
+		require.NoError(t, os.MkdirAll(etcDir2, 0755))
+		require.NoError(t, os.WriteFile(
+			filepath.Join(etcDir2, "config.yaml"), []byte("test"), 0644))
+		
+		cfg, err := findConfig("main.go", etcDir2)
+		assert.NoError(t, err)
+		assert.Equal(t, "config.yaml", cfg)
+	})
+	
+	t.Run("returns error when no yaml files", func(t *testing.T) {
+		emptyDir := filepath.Join(tempDir, "empty")
+		require.NoError(t, os.MkdirAll(emptyDir, 0755))
+		
+		_, err := findConfig("api.go", emptyDir)
+		assert.Error(t, err)
+		assert.Contains(t, err.Error(), "no yaml file")
+	})
+	
+	t.Run("handles path in go file name", func(t *testing.T) {
+		// Test with service/api/api.go - should extract just "api"
+		cfg, err := findConfig("service/api/api.go", etcDir)
+		assert.NoError(t, err)
+		assert.Equal(t, "api.yaml", cfg)
+	})
+}
+
+func TestGetFilePath(t *testing.T) {
+	// Create a temporary directory with go.mod
+	tempDir := t.TempDir()
+	require.NoError(t, os.WriteFile(
+		filepath.Join(tempDir, "go.mod"),
+		[]byte("module testproject\n\ngo 1.21\n"),
+		0644,
+	))
+	
+	// Create subdirectories
+	serviceDir := filepath.Join(tempDir, "service", "api")
+	require.NoError(t, os.MkdirAll(serviceDir, 0755))
+	
+	originalWd, err := os.Getwd()
+	require.NoError(t, err)
+	defer func() {
+		require.NoError(t, os.Chdir(originalWd))
+	}()
+	
+	t.Run("returns relative path from go.mod", func(t *testing.T) {
+		require.NoError(t, os.Chdir(tempDir))
+		
+		path, err := getFilePath("service/api")
+		assert.NoError(t, err)
+		assert.Equal(t, "service/api", path)
+	})
+	
+	t.Run("handles current directory", func(t *testing.T) {
+		require.NoError(t, os.Chdir(tempDir))
+		
+		path, err := getFilePath(".")
+		assert.NoError(t, err)
+		// Current directory returns empty string when at go.mod root
+		assert.True(t, path == "." || path == "")
+	})
+}
+
+// Integration test to verify the complete fix
+func TestDockerCommandIntegration(t *testing.T) {
+	// Create a complete project structure
+	tempDir := t.TempDir()
+	
+	// Setup: project/service/api/
+	serviceDir := filepath.Join(tempDir, "service", "api")
+	etcDir := filepath.Join(serviceDir, "etc")
+	require.NoError(t, os.MkdirAll(etcDir, 0755))
+	
+	// Create files
+	goFile := filepath.Join(serviceDir, "api.go")
+	require.NoError(t, os.WriteFile(goFile, []byte("package main\n\nfunc main() {}"), 0644))
+	configFile := filepath.Join(etcDir, "api.yaml")
+	require.NoError(t, os.WriteFile(configFile, []byte("Name: test-api\n"), 0644))
+	goModFile := filepath.Join(tempDir, "go.mod")
+	require.NoError(t, os.WriteFile(goModFile, []byte("module testproject\n\ngo 1.21\n"), 0644))
+	goSumFile := filepath.Join(tempDir, "go.sum")
+	require.NoError(t, os.WriteFile(goSumFile, []byte(""), 0644))
+	
+	originalWd, err := os.Getwd()
+	require.NoError(t, err)
+	defer func() {
+		require.NoError(t, os.Chdir(originalWd))
+	}()
+	
+	t.Run("etc directory detected from different working directory", func(t *testing.T) {
+		// Change to project root (not service/api)
+		require.NoError(t, os.Chdir(tempDir))
+		
+		// Relative path to Go file
+		relGoFile := filepath.Join("service", "api", "api.go")
+		
+		// Apply the fix: resolve etc directory relative to go file
+		resolvedEtcDir := filepath.Join(filepath.Dir(relGoFile), "etc")
+		
+		// Verify etc directory is found
+		stat, err := os.Stat(resolvedEtcDir)
+		assert.NoError(t, err)
+		assert.True(t, stat.IsDir())
+		
+		// Verify config can be found
+		cfg, err := findConfig(relGoFile, resolvedEtcDir)
+		assert.NoError(t, err)
+		assert.Equal(t, "api.yaml", cfg)
+	})
+	
+	t.Run("GoMainFrom path is correct", func(t *testing.T) {
+		require.NoError(t, os.Chdir(tempDir))
+		
+		goFileRel := filepath.Join("service", "api", "api.go")
+		
+		// Simulate getFilePath return value
+		projPath := "service/api"
+		
+		// Apply the fix: use filepath.Base
+		goMainFrom := filepath.Join(projPath, filepath.Base(goFileRel))
+		
+		assert.Equal(t, "service/api/api.go", goMainFrom)
+		
+		// Verify no path duplication
+		assert.NotContains(t, goMainFrom, "service/api/service/api")
+	})
+}
+
+// Test that specifically validates the bug described in PR #4343
+func TestPR4343_BugFixes(t *testing.T) {
+	t.Run("Bug 1: etc directory check uses correct base path", func(t *testing.T) {
+		// Setup: Create a project structure where etc is NOT in CWD but IS relative to Go file
+		tempDir := t.TempDir()
+		serviceDir := filepath.Join(tempDir, "service", "api")
+		etcDir := filepath.Join(serviceDir, "etc")
+		require.NoError(t, os.MkdirAll(etcDir, 0755))
+		
+		// Create a config file
+		require.NoError(t, os.WriteFile(
+			filepath.Join(etcDir, "config.yaml"),
+			[]byte("Name: test\n"),
+			0644,
+		))
+		
+		originalWd, err := os.Getwd()
+		require.NoError(t, err)
+		defer func() {
+			require.NoError(t, os.Chdir(originalWd))
+		}()
+		
+		// Change to project root (CWD = tempDir)
+		require.NoError(t, os.Chdir(tempDir))
+		
+		goFile := filepath.Join("service", "api", "api.go")
+		
+		// OLD (buggy) behavior: checks for "etc" in CWD
+		_, errOld := os.Stat("etc")
+		assert.Error(t, errOld, "Bug: etc not found in CWD")
+		
+		// NEW (fixed) behavior: checks for "etc" relative to go file
+		etcDirResolved := filepath.Join(filepath.Dir(goFile), "etc")
+		stat, errNew := os.Stat(etcDirResolved)
+		assert.NoError(t, errNew, "Fix: etc found relative to go file")
+		assert.True(t, stat.IsDir())
+		
+		// Verify config is accessible
+		cfg, err := findConfig(goFile, etcDirResolved)
+		assert.NoError(t, err)
+		assert.Equal(t, "config.yaml", cfg)
+	})
+	
+	t.Run("Bug 2: GoMainFrom path not duplicated", func(t *testing.T) {
+		// Test case from PR description
+		projPath := "service/api"
+		goFile := "service/api/api.go"
+		
+		// OLD (buggy) behavior: duplicates path
+		buggyPath := filepath.Join(projPath, goFile)
+		assert.Equal(t, "service/api/service/api/api.go", buggyPath,
+			"Bug: path duplication occurs with old implementation")
+		
+		// NEW (fixed) behavior: correct path using filepath.Base
+		fixedPath := filepath.Join(projPath, filepath.Base(goFile))
+		assert.Equal(t, "service/api/api.go", fixedPath,
+			"Fix: using filepath.Base() prevents path duplication")
+		
+		// Verify the fix works for various scenarios
+		testCases := []struct {
+			projPath string
+			goFile   string
+			expected string
+		}{
+			{"service/api", "service/api/api.go", "service/api/api.go"},
+			{"cmd/server", "cmd/server/main.go", "cmd/server/main.go"},
+			{"internal/handler", "internal/handler/handler.go", "internal/handler/handler.go"},
+			{".", "main.go", "main.go"},
+		}
+		
+		for _, tc := range testCases {
+			result := filepath.Join(tc.projPath, filepath.Base(tc.goFile))
+			assert.Equal(t, tc.expected, result,
+				"Fix should work for projPath=%s, goFile=%s", tc.projPath, tc.goFile)
+		}
+	})
+}

tools/goctl/model/sql/test/sqlconn.go

@@ -99,12 +99,12 @@ func (conn *MockConn) RawDB() (*sql.DB, error) {
 	return conn.db, nil
 }
 
-// Transact is the implemention of sqlx.SqlConn, nothing to do
+// Transact is the implementation of sqlx.SqlConn, nothing to do
 func (conn *MockConn) Transact(func(session sqlx.Session) error) error {
 	return nil
 }
 
-// TransactCtx is the implemention of sqlx.SqlConn, nothing to do
+// TransactCtx is the implementation of sqlx.SqlConn, nothing to do
 func (conn *MockConn) TransactCtx(ctx context.Context, fn func(context.Context, sqlx.Session) error) error {
 	return nil
 }

zrpc/client.go

@@ -1,12 +1,16 @@
 package zrpc
 
 import (
+	"context"
+	"fmt"
 	"time"
 
 	"github.com/zeromicro/go-zero/core/conf"
 	"github.com/zeromicro/go-zero/core/logx"
 	"github.com/zeromicro/go-zero/zrpc/internal"
 	"github.com/zeromicro/go-zero/zrpc/internal/auth"
+	"github.com/zeromicro/go-zero/zrpc/internal/balancer/consistenthash"
+	"github.com/zeromicro/go-zero/zrpc/internal/balancer/p2c"
 	"github.com/zeromicro/go-zero/zrpc/internal/clientinterceptors"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/keepalive"
@@ -67,6 +71,9 @@ func NewClient(c RpcClientConf, options ...ClientOption) (Client, error) {
 		})))
 	}
 
+	svcCfg := makeLBServiceConfig(c.BalancerName)
+	opts = append(opts, WithDialOption(grpc.WithDefaultServiceConfig(svcCfg)))
+
 	opts = append(opts, options...)
 
 	target, err := c.BuildTarget()
@@ -111,7 +118,20 @@ func SetClientSlowThreshold(threshold time.Duration) {
 	clientinterceptors.SetSlowThreshold(threshold)
 }
 
+// SetHashKey sets the hash key into context.
+func SetHashKey(ctx context.Context, key string) context.Context {
+	return consistenthash.SetHashKey(ctx, key)
+}
+
 // WithCallTimeout return a call option with given timeout to make a method call.
 func WithCallTimeout(timeout time.Duration) grpc.CallOption {
 	return clientinterceptors.WithCallTimeout(timeout)
 }
+
+func makeLBServiceConfig(balancerName string) string {
+	if len(balancerName) == 0 {
+		balancerName = p2c.Name
+	}
+
+	return fmt.Sprintf(`{"loadBalancingPolicy":"%s"}`, balancerName)
+}

zrpc/client_test.go

@@ -12,6 +12,8 @@ import (
 	"github.com/zeromicro/go-zero/core/discov"
 	"github.com/zeromicro/go-zero/core/logx"
 	"github.com/zeromicro/go-zero/internal/mock"
+	"github.com/zeromicro/go-zero/zrpc/internal/balancer/consistenthash"
+	"github.com/zeromicro/go-zero/zrpc/internal/balancer/p2c"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/credentials/insecure"
@@ -245,3 +247,42 @@ func TestNewClientWithTarget(t *testing.T) {
 
 	assert.NotNil(t, err)
 }
+
+func TestMakeLBServiceConfig(t *testing.T) {
+	tests := []struct {
+		name     string
+		input    string
+		expected string
+	}{
+		{
+			name:     "empty name uses default p2c",
+			input:    "",
+			expected: fmt.Sprintf(`{"loadBalancingPolicy":"%s"}`, p2c.Name),
+		},
+		{
+			name:     "custom balancer name",
+			input:    "consistent_hash",
+			expected: `{"loadBalancingPolicy":"consistent_hash"}`,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			got := makeLBServiceConfig(tt.input)
+			if got != tt.expected {
+				t.Errorf("expected %q, got %q", tt.expected, got)
+			}
+		})
+	}
+}
+
+func TestSetHashKey(t *testing.T) {
+	ctx := context.Background()
+	key := "abc123"
+
+	ctx = SetHashKey(ctx, key)
+	got := consistenthash.GetHashKey(ctx)
+	assert.Equal(t, key, got)
+
+	assert.Empty(t, consistenthash.GetHashKey(context.Background()))
+}

zrpc/config.go

@@ -31,6 +31,7 @@ type (
 		Timeout       int64           `json:",default=2000"`
 		KeepaliveTime time.Duration   `json:",optional"`
 		Middlewares   ClientMiddlewaresConf
+		BalancerName  string `json:",default=p2c_ewma"`
 	}
 
 	// A RpcServerConf is a rpc server config.

zrpc/config_test.go

@@ -4,9 +4,11 @@ import (
 	"testing"
 
 	"github.com/stretchr/testify/assert"
+	zconf "github.com/zeromicro/go-zero/core/conf"
 	"github.com/zeromicro/go-zero/core/discov"
 	"github.com/zeromicro/go-zero/core/service"
 	"github.com/zeromicro/go-zero/core/stores/redis"
+	"github.com/zeromicro/go-zero/zrpc/internal/balancer/p2c"
 )
 
 func TestRpcClientConf(t *testing.T) {
@@ -39,6 +41,13 @@ func TestRpcClientConf(t *testing.T) {
 		_, err := conf.BuildTarget()
 		assert.Error(t, err)
 	})
+
+	t.Run("default balancer name", func(t *testing.T) {
+		var conf RpcClientConf
+		err := zconf.FillDefault(&conf)
+		assert.NoError(t, err)
+		assert.Equal(t, p2c.Name, conf.BalancerName)
+	})
 }
 
 func TestRpcServerConf(t *testing.T) {

zrpc/internal/balancer/consistenthash/consistenthash.go

@@ -0,0 +1,97 @@
+package consistenthash
+
+import (
+	"context"
+
+	"github.com/zeromicro/go-zero/core/hash"
+	"google.golang.org/grpc/balancer"
+	"google.golang.org/grpc/balancer/base"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/status"
+)
+
+const (
+	Name = "consistent_hash"
+
+	defaultReplicaCount = 100
+)
+
+var emptyPickResult balancer.PickResult
+
+func init() {
+	balancer.Register(newBuilder())
+}
+
+type (
+	// hashKey is the key type for consistent hash in context.
+	hashKey struct{}
+	// pickerBuilder is a builder for picker.
+	pickerBuilder struct{}
+	// picker is a picker that uses consistent hash to pick a sub connection.
+	picker struct {
+		hashRing *hash.ConsistentHash
+		conns    map[string]balancer.SubConn
+	}
+)
+
+func (b *pickerBuilder) Build(info base.PickerBuildInfo) balancer.Picker {
+	readySCs := info.ReadySCs
+	if len(readySCs) == 0 {
+		return base.NewErrPicker(balancer.ErrNoSubConnAvailable)
+	}
+
+	conns := make(map[string]balancer.SubConn, len(readySCs))
+	hashRing := hash.NewCustomConsistentHash(defaultReplicaCount, hash.Hash)
+	for conn, connInfo := range readySCs {
+		addr := connInfo.Address.Addr
+		conns[addr] = conn
+		hashRing.Add(addr)
+	}
+
+	return &picker{
+		hashRing: hashRing,
+		conns:    conns,
+	}
+}
+
+func newBuilder() balancer.Builder {
+	return base.NewBalancerBuilder(Name, &pickerBuilder{}, base.Config{HealthCheck: true})
+}
+
+func (p *picker) Pick(info balancer.PickInfo) (balancer.PickResult, error) {
+	hashKey := GetHashKey(info.Ctx)
+	if len(hashKey) == 0 {
+		return emptyPickResult, status.Error(codes.InvalidArgument,
+			"[consistent_hash] missing hash key in context")
+	}
+
+	if addrAny, ok := p.hashRing.Get(hashKey); ok {
+		addr, ok := addrAny.(string)
+		if !ok {
+			return emptyPickResult, status.Error(codes.Internal,
+				"[consistent_hash] invalid addr type in consistent hash")
+		}
+
+		subConn, ok := p.conns[addr]
+		if !ok {
+			return emptyPickResult, status.Errorf(codes.Internal,
+				"[consistent_hash] no subConn for addr: %s", addr)
+		}
+
+		return balancer.PickResult{SubConn: subConn}, nil
+	}
+
+	return emptyPickResult, status.Errorf(codes.Unavailable,
+		"[consistent_hash] no matching conn for hashKey: %s", hashKey)
+}
+
+// SetHashKey sets the hash key into context.
+func SetHashKey(ctx context.Context, key string) context.Context {
+	return context.WithValue(ctx, hashKey{}, key)
+}
+
+// GetHashKey gets the hash key from context.
+func GetHashKey(ctx context.Context) string {
+	v, _ := ctx.Value(hashKey{}).(string)
+	return v
+}

zrpc/internal/balancer/consistenthash/consistenthash_test.go

@@ -0,0 +1,175 @@
+package consistenthash
+
+import (
+	"context"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/zeromicro/go-zero/core/hash"
+	"google.golang.org/grpc/balancer"
+	"google.golang.org/grpc/balancer/base"
+	"google.golang.org/grpc/resolver"
+)
+
+type fakeSubConn struct{ id int }
+
+func (f *fakeSubConn) Connect()                             {}
+func (f *fakeSubConn) UpdateAddresses(_ []resolver.Address) {}
+func (f *fakeSubConn) Shutdown()                            {}
+func (f *fakeSubConn) GetOrBuildProducer(b balancer.ProducerBuilder) (balancer.Producer, func()) {
+	return nil, func() {}
+}
+
+func TestPickerBuilder_EmptyReadySCs(t *testing.T) {
+	b := &pickerBuilder{}
+	p := b.Build(base.PickerBuildInfo{ReadySCs: map[balancer.SubConn]base.SubConnInfo{}})
+
+	_, err := p.Pick(balancer.PickInfo{})
+	assert.Equal(t, balancer.ErrNoSubConnAvailable, err)
+}
+
+func TestPickerBuilder_BuildAndRing(t *testing.T) {
+	subConn1 := &fakeSubConn{id: 1}
+	subConn2 := &fakeSubConn{id: 2}
+	addr1 := "127.0.0.1:8080"
+	addr2 := "127.0.0.1:8081"
+
+	b := &pickerBuilder{}
+	info := base.PickerBuildInfo{
+		ReadySCs: map[balancer.SubConn]base.SubConnInfo{
+			subConn1: {Address: resolver.Address{Addr: addr1}},
+			subConn2: {Address: resolver.Address{Addr: addr2}},
+		},
+	}
+
+	p := b.Build(info).(*picker)
+	assert.NotNil(t, p.hashRing)
+	assert.Len(t, p.conns, 2)
+}
+
+func TestPicker_HashConsistency(t *testing.T) {
+	subConn1 := &fakeSubConn{id: 1}
+	subConn2 := &fakeSubConn{id: 2}
+
+	pb := &pickerBuilder{}
+	info := base.PickerBuildInfo{
+		ReadySCs: map[balancer.SubConn]base.SubConnInfo{
+			subConn1: {Address: resolver.Address{Addr: "127.0.0.1:8080"}},
+			subConn2: {Address: resolver.Address{Addr: "127.0.0.1:8081"}},
+		},
+	}
+	p := pb.Build(info).(*picker)
+	ctx := SetHashKey(context.Background(), "user_123")
+	res1, err := p.Pick(balancer.PickInfo{Ctx: ctx})
+	assert.NoError(t, err)
+	assert.NotNil(t, res1.SubConn)
+
+	// Multiple requests with the same key remain consistent
+	for i := 0; i < 5; i++ {
+		resN, err := p.Pick(balancer.PickInfo{Ctx: ctx})
+		assert.NoError(t, err)
+		assert.Equal(t, res1.SubConn, resN.SubConn)
+	}
+}
+
+func TestPicker_MissingKey(t *testing.T) {
+	subConn := &fakeSubConn{id: 1}
+
+	pb := &pickerBuilder{}
+	info := base.PickerBuildInfo{
+		ReadySCs: map[balancer.SubConn]base.SubConnInfo{
+			subConn: {Address: resolver.Address{Addr: "127.0.0.1:8080"}},
+		},
+	}
+	p := pb.Build(info).(*picker)
+
+	// No hash key in context
+	_, err := p.Pick(balancer.PickInfo{Ctx: context.Background()})
+	assert.Error(t, err)
+	assert.Contains(t, err.Error(), "[consistent_hash] missing hash key in context")
+}
+
+func TestPicker_NoMatchingConn(t *testing.T) {
+	emptyRing := newCustomRingForTest()
+	p := &picker{
+		hashRing: emptyRing,
+		conns:    map[string]balancer.SubConn{},
+	}
+
+	_, err := p.Pick(balancer.PickInfo{Ctx: SetHashKey(context.Background(), "someone")})
+	assert.Error(t, err)
+	assert.Contains(t, err.Error(), "[consistent_hash] no matching conn for hashKey: someone")
+}
+
+func TestPicker_InvalidAddrType(t *testing.T) {
+	ring := newCustomRingForTest()
+	ring.Add(12345)
+
+	subConn := &fakeSubConn{id: 1}
+	p := &picker{
+		hashRing: ring,
+		conns: map[string]balancer.SubConn{
+			"12345": subConn,
+		},
+	}
+
+	_, err := p.Pick(balancer.PickInfo{Ctx: SetHashKey(context.Background(), "anykey")})
+	assert.Error(t, err)
+	assert.Contains(t, err.Error(), "[consistent_hash] invalid addr type in consistent hash")
+}
+
+func TestPicker_NoSubConnForAddr(t *testing.T) {
+	ring := newCustomRingForTest()
+	ring.Add("ghost:9999")
+
+	exist := &fakeSubConn{id: 1}
+	p := &picker{
+		hashRing: ring,
+		conns: map[string]balancer.SubConn{
+			"real:8080": exist,
+		},
+	}
+
+	_, err := p.Pick(balancer.PickInfo{Ctx: SetHashKey(context.Background(), "anykey")})
+	assert.Error(t, err)
+	assert.Contains(t, err.Error(), "[consistent_hash] no subConn for addr: ghost:9999")
+}
+
+func TestSetAndGetHashKey(t *testing.T) {
+	ctx := context.Background()
+	key := "abc123"
+
+	ctx = SetHashKey(ctx, key)
+	got := GetHashKey(ctx)
+	assert.Equal(t, key, got)
+
+	assert.Empty(t, GetHashKey(context.Background()))
+}
+
+func BenchmarkPicker_HashConsistency(b *testing.B) {
+	subConn1 := &fakeSubConn{id: 1}
+	subConn2 := &fakeSubConn{id: 2}
+
+	pb := &pickerBuilder{}
+	info := base.PickerBuildInfo{
+		ReadySCs: map[balancer.SubConn]base.SubConnInfo{
+			subConn1: {Address: resolver.Address{Addr: "127.0.0.1:8080"}},
+			subConn2: {Address: resolver.Address{Addr: "127.0.0.1:8081"}},
+		},
+	}
+	p := pb.Build(info).(*picker)
+
+	ctx := SetHashKey(context.Background(), "hot_user_123")
+
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		res, err := p.Pick(balancer.PickInfo{Ctx: ctx})
+		if err != nil || res.SubConn == nil {
+			b.Fatalf("unexpected result: res=%v err=%v", res.SubConn, err)
+		}
+	}
+}
+
+func newCustomRingForTest() *hash.ConsistentHash {
+	return hash.NewCustomConsistentHash(defaultReplicaCount, hash.Hash)
+}

zrpc/internal/client.go

@@ -7,7 +7,6 @@ import (
 	"strings"
 	"time"
 
-	"github.com/zeromicro/go-zero/zrpc/internal/balancer/p2c"
 	"github.com/zeromicro/go-zero/zrpc/internal/clientinterceptors"
 	"github.com/zeromicro/go-zero/zrpc/resolver"
 	"google.golang.org/grpc"
@@ -53,9 +52,6 @@ func NewClient(target string, middlewares ClientMiddlewaresConf, opts ...ClientO
 		middlewares: middlewares,
 	}
 
-	svcCfg := fmt.Sprintf(`{"loadBalancingPolicy":"%s"}`, p2c.Name)
-	balancerOpt := WithDialOption(grpc.WithDefaultServiceConfig(svcCfg))
-	opts = append([]ClientOption{balancerOpt}, opts...)
 	if err := cli.dial(target, opts...); err != nil {
 		return nil, err
 	}