diff --git a/docs/knowledge/collection-category.md b/docs/knowledge/collection-category.md
index e79303a..92a24aa 100644
--- a/docs/knowledge/collection-category.md
+++ b/docs/knowledge/collection-category.md
@@ -93,18 +93,15 @@ text 模式：
 id: conn-xxx
 name: my-collection
 description: team docs
-storeType: PLATFORM
 ```
 
-> 如果是 `CUSTOM` 存储，额外显示 `ossRegion` 和 `ossBucket`（注意：实测 getConnector 响应可能不返回 fileConnectorConfig，storeType 显示为 `-`）。
-
 quiet 模式：输出集合 ID。
 
 json 模式：返回 API 原始响应。
 
 **注意事项**
 
-- 无特殊注意事项。
+- getConnector 不返回 `fileConnectorConfig`（`storeType`/`regionId`/`bucketName`），这些字段仅在创建时通过请求体传入，查询时不可读回。
 
 **示例**
 
diff --git a/packages/commands/src/commands/knowledge/collection-get.ts b/packages/commands/src/commands/knowledge/collection-get.ts
index 81eaa73..62be71f 100644
--- a/packages/commands/src/commands/knowledge/collection-get.ts
+++ b/packages/commands/src/commands/knowledge/collection-get.ts
@@ -66,15 +66,8 @@ export default defineCommand({
       emitBare(`id: ${collection?.connectorId ?? "-"}`);
       emitBare(`name: ${collection?.connectorName ?? "-"}`);
       emitBare(`description: ${collection?.description ?? "-"}`);
-      const storeType = collection?.fileConnectorConfig?.storeType;
-      emitBare(`storeType: ${storeType ?? "-"}`);
-      if (storeType === "CUSTOM") {
-        // Defensive branch: live-verified getConnector responses do NOT echo
-        // fileConnectorConfig at all (storeType prints "-"); kept in case the
-        // server starts returning it. Field names follow the create contract.
-        emitBare(`  ossRegion: ${collection?.fileConnectorConfig?.regionId ?? "-"}`);
-        emitBare(`  ossBucket: ${collection?.fileConnectorConfig?.bucketName ?? "-"}`);
-      }
+      // getConnector does not return fileConnectorConfig (storeType/regionId/bucketName);
+      // these fields are only available on the create request body.
       return;
     }
     emitResult(response, format);
diff --git a/packages/core/src/types/knowledge-admin.ts b/packages/core/src/types/knowledge-admin.ts
index 3d68ab7..3210782 100644
--- a/packages/core/src/types/knowledge-admin.ts
+++ b/packages/core/src/types/knowledge-admin.ts
@@ -324,19 +324,12 @@ export interface RagListFileData {
 export type RagListFileResponse = RagConnectorResponse<RagListFileData>;
 export type RagDescribeFileResponse = RagConnectorResponse<RagDataCenterFile>;
 
-/** POST addConnector / getConnector */
+/** POST addConnector response / getConnector response — server does NOT echo fileConnectorConfig (live-verified) */
 export interface RagConnectorInfo {
   connectorId?: string;
   connectorName?: string;
   description?: string;
   connectorType?: string;
-  fileConnectorConfig?: {
-    storeType?: string;
-    /** CUSTOM request fields: regionId/bucketName (per add-connector.md, live-verified) */
-    regionId?: string;
-    bucketName?: string;
-    [key: string]: unknown;
-  };
   [key: string]: unknown;
 }
 export type RagAddConnectorResponse = RagConnectorResponse<RagConnectorInfo>;