diff --git a/packages/cli/tests/e2e/file-upload.e2e.test.ts b/packages/cli/tests/e2e/file-upload.e2e.test.ts
index 7d5daf3..b59598a 100644
--- a/packages/cli/tests/e2e/file-upload.e2e.test.ts
+++ b/packages/cli/tests/e2e/file-upload.e2e.test.ts
@@ -1,7 +1,10 @@
 import { describe, expect, test } from "vite-plus/test";
 import { dirname, join } from "path";
 import { fileURLToPath } from "url";
+import { homedir } from "os";
+import { existsSync, readFileSync } from "fs";
 import { isBailianE2EEnabled, isDashScopeE2EReady, parseStdoutJson, runCli } from "./helpers.ts";
+import { readConfigFile } from "bailian-cli-core";
 
 const __dirname = dirname(fileURLToPath(import.meta.url));
 
@@ -24,13 +27,34 @@ describe("e2e: file upload", () => {
   });
 });
 
-// === DEBUG: worker 进程中的环境变量 ===
+// === DEBUG: 深入排查 readConfigFile 来源 ===
+const _configPath = join(homedir(), ".bailian", "config.json");
+const _configDir = process.env.BAILIAN_CONFIG_DIR;
+const _homedir = homedir();
+const _homeEnv = process.env.HOME;
 console.log(
   "[worker:file-upload] DASHSCOPE_API_KEY =",
   JSON.stringify(process.env.DASHSCOPE_API_KEY),
 );
 console.log("[worker:file-upload] isDashScopeE2EReady() =", isDashScopeE2EReady());
 console.log("[worker:file-upload] isBailianE2EEnabled() =", isBailianE2EEnabled());
+console.log("[worker:file-upload] homedir() =", JSON.stringify(_homedir));
+console.log("[worker:file-upload] process.env.HOME =", JSON.stringify(_homeEnv));
+console.log("[worker:file-upload] BAILIAN_CONFIG_DIR =", JSON.stringify(_configDir));
+console.log("[worker:file-upload] configPath (homedir) =", JSON.stringify(_configPath));
+console.log("[worker:file-upload] configPath exists =", existsSync(_configPath));
+try {
+  const _cfg = readConfigFile();
+  console.log("[worker:file-upload] readConfigFile() =", JSON.stringify(_cfg));
+  console.log("[worker:file-upload] readConfigFile().api_key =", JSON.stringify(_cfg.api_key));
+  console.log("[worker:file-upload] readConfigFile().api_key length =", _cfg.api_key?.length);
+} catch (err) {
+  console.log("[worker:file-upload] readConfigFile() threw:", err);
+}
+// 如果文件存在，直接读内容
+if (existsSync(_configPath)) {
+  console.log("[worker:file-upload] RAW config.json content =", readFileSync(_configPath, "utf8"));
+}
 // === DEBUG END ===
 
 describe.skipIf(!isDashScopeE2EReady())("e2e: file upload（DashScope）", () => {