diff --git a/content/docs/chat/platform-api/webhooks/message/after-send-group-message.mdx b/content/docs/chat/platform-api/webhooks/message/after-send-group-message.mdx
index afdd5d4264..8abee507c8 100644
--- a/content/docs/chat/platform-api/webhooks/message/after-send-group-message.mdx
+++ b/content/docs/chat/platform-api/webhooks/message/after-send-group-message.mdx
@@ -16,7 +16,7 @@ POST {WEBHOOK_ADDRESS}/callbackAfterSendGroupMsgCommand
 ```
 
 ## Request body
-The payload contains `callbackCommand: callbackAfterSendGroupMsgCommand`, `groupID`, and the complete message snapshot described on [Before sending a group message](/platform-api/webhooks/message/before-send-group-message). It includes `recvID` and `keyVersion` Enterprise extensions.
+The payload contains `callbackCommand: callbackAfterSendGroupMsgCommand`, `groupID`, and the complete message snapshot described on [Before sending a group message](/platform-api/webhooks/message/before-send-group-message). It also includes `keyVersion` <span className="enterprise-field-badge">Enterprise</span>.
 
 ## Response
 Return HTTP success promptly. Message delivery has already been processed and cannot be changed by this response.
diff --git a/content/docs/chat/platform-api/webhooks/message/before-send-group-message.mdx b/content/docs/chat/platform-api/webhooks/message/before-send-group-message.mdx
index aca885d717..62dc358dbe 100644
--- a/content/docs/chat/platform-api/webhooks/message/before-send-group-message.mdx
+++ b/content/docs/chat/platform-api/webhooks/message/before-send-group-message.mdx
@@ -16,11 +16,10 @@ POST {WEBHOOK_ADDRESS}/callbackBeforeSendGroupMsgCommand
 ```
 
 ## Request body
-The payload contains `callbackCommand: callbackBeforeSendGroupMsgCommand`, `groupID`, and the message fields described on [Before sending a one-to-one message](/platform-api/webhooks/message/before-send-single-message). Group messages also expose these fields:
+The payload contains `callbackCommand: callbackBeforeSendGroupMsgCommand`, `groupID`, and the common message fields described on [Before sending a one-to-one message](/platform-api/webhooks/message/before-send-single-message), except `recvID`; group callbacks use `groupID` instead to identify the destination. Group messages also expose this field:
 
 | Property | Type | Description |
 | --- | --- | --- |
-| recvID <span className="enterprise-field-badge">Enterprise</span> | string | Recipient identifier supplied for the group message. |
 | keyVersion <span className="enterprise-field-badge">Enterprise</span> | int | Message encryption key version. |
 
 ## Response
diff --git a/content/zh/docs/chat/platform-api/v3/webhooks/message/after-send-group-message.mdx b/content/zh/docs/chat/platform-api/v3/webhooks/message/after-send-group-message.mdx
index 200d24522d..2667c0ec78 100644
--- a/content/zh/docs/chat/platform-api/v3/webhooks/message/after-send-group-message.mdx
+++ b/content/zh/docs/chat/platform-api/v3/webhooks/message/after-send-group-message.mdx
@@ -31,7 +31,6 @@ operationID: {OPERATION_ID}
 ```json
 {
   "sendID": "user_001",
-  "recvID": "user_001",
   "callbackCommand": "callbackAfterSendGroupMsgCommand",
   "serverMsgID": "server_msg_001",
   "clientMsgID": "client_msg_001",
@@ -59,7 +58,6 @@ operationID: {OPERATION_ID}
 | 参数名                                                            | 是否必填 | 类型     | 说明                                                                                                               |
 | ----------------------------------------------------------------- | -------- | -------- | ------------------------------------------------------------------------------------------------------------------ |
 | sendID                                                            | 是       | string   | 消息发送者用户 ID。                                                                                                |
-| recvID <span className="enterprise-field-badge">商业版</span>     | 是       | string   | 消息接收者用户 ID；单聊时为对端用户 ID。                                                                           |
 | callbackCommand                                                   | 是       | string   | 回调命令，值与当前页面的回调命令一致。                                                                             |
 | serverMsgID                                                       | 是       | string   | OpenIM 服务端消息 ID。                                                                                             |
 | clientMsgID                                                       | 是       | string   | 客户端消息 ID。                                                                                                    |
diff --git a/content/zh/docs/chat/platform-api/v3/webhooks/message/before-send-group-message.mdx b/content/zh/docs/chat/platform-api/v3/webhooks/message/before-send-group-message.mdx
index dbfd763d32..dc972fa99f 100644
--- a/content/zh/docs/chat/platform-api/v3/webhooks/message/before-send-group-message.mdx
+++ b/content/zh/docs/chat/platform-api/v3/webhooks/message/before-send-group-message.mdx
@@ -31,7 +31,6 @@ operationID: {OPERATION_ID}
 ```json
 {
   "sendID": "user_001",
-  "recvID": "user_001",
   "callbackCommand": "callbackBeforeSendGroupMsgCommand",
   "serverMsgID": "server_msg_001",
   "clientMsgID": "client_msg_001",
@@ -59,7 +58,6 @@ operationID: {OPERATION_ID}
 | 参数名                                                            | 是否必填 | 类型     | 说明                                                                                                               |
 | ----------------------------------------------------------------- | -------- | -------- | ------------------------------------------------------------------------------------------------------------------ |
 | sendID                                                            | 是       | string   | 消息发送者用户 ID。                                                                                                |
-| recvID <span className="enterprise-field-badge">商业版</span>     | 是       | string   | 消息接收者用户 ID；单聊时为对端用户 ID。                                                                           |
 | callbackCommand                                                   | 是       | string   | 回调命令，值与当前页面的回调命令一致。                                                                             |
 | serverMsgID                                                       | 是       | string   | OpenIM 服务端消息 ID。                                                                                             |
 | clientMsgID                                                       | 是       | string   | 客户端消息 ID。                                                                                                    |
diff --git a/data/structure/platform-api-content-audit.json b/data/structure/platform-api-content-audit.json
index 4cc9ca0698..2bcd5fa887 100644
--- a/data/structure/platform-api-content-audit.json
+++ b/data/structure/platform-api-content-audit.json
@@ -1,6 +1,6 @@
 {
-  "baseline": "Current reviewed Chinese Platform API pages in content/zh/docs/chat/platform-api",
-  "reviewedAt": "2026-08-03",
+  "baseline": "Current reviewed Chinese Platform API pages in content/zh/docs/chat/platform-api; CallbackBeforeSendGroupMsgReq and CallbackAfterSendGroupMsgReq in open-im-server/pkg/callbackstruct/message.go expose groupID",
+  "reviewedAt": "2026-08-04",
   "pages": [
     {
       "path": "/platform-api/auth/overview",
diff --git a/src/generated/search-index-zh.json b/src/generated/search-index-zh.json
index 1443d68586..9e7c7e7a70 100644
--- a/src/generated/search-index-zh.json
+++ b/src/generated/search-index-zh.json
@@ -5829,7 +5829,7 @@
     "description": "Review, reject, or inspect fields before a group message is sent.",
     "context": "Platform API",
     "keywords": "platform-api v3 platform-api webhooks message before-send-group-message",
-    "content": "Use this callback for content moderation, policy enforcement, or field validation before a group message is sent. HTTP request POST WEBHOOK ADDRESS /callbackBeforeSendGroupMsgCommand Request body The payload contains callbackCommand: callbackBeforeSendGroupMsgCommand , groupID , and the message fields described on Before sending a one to one message /platform api/webhooks/message/before send single message . Group messages also expose these fields: | Property | Type | Description | | | | | | recvID Enterprise | string | Recipient identifier supplied for the group message. | | keyVersion Enterprise | int | Message encryption key version. | Response Return the common before event response from Webhooks overview /platform api/webhooks/overview . Use nextCode: 1 to reject the message. Processing rules Configuration key: beforeSendGroupMsg . OpenIM waits synchronously; timeout behavior follows failedContinue ."
+    "content": "Use this callback for content moderation, policy enforcement, or field validation before a group message is sent. HTTP request POST WEBHOOK ADDRESS /callbackBeforeSendGroupMsgCommand Request body The payload contains callbackCommand: callbackBeforeSendGroupMsgCommand , groupID , and the common message fields described on Before sending a one to one message /platform api/webhooks/message/before send single message , except recvID ; group callbacks use groupID instead to identify the destination. Group messages also expose this field: | Property | Type | Description | | | | | | keyVersion Enterprise | int | Message encryption key version. | Response Return the common before event response from Webhooks overview /platform api/webhooks/overview . Use nextCode: 1 to reject the message. Processing rules Configuration key: beforeSendGroupMsg . OpenIM waits synchronously; timeout behavior follows failedContinue ."
   },
   {
     "path": "/platform-api/webhooks/message/after-send-group-message",
@@ -5837,7 +5837,7 @@
     "description": "Synchronize a message event after a group message is sent.",
     "context": "Platform API",
     "keywords": "platform-api v3 platform-api webhooks message after-send-group-message",
-    "content": "Synchronize a message event after a group message is sent. HTTP request POST WEBHOOK ADDRESS /callbackAfterSendGroupMsgCommand Request body The payload contains callbackCommand: callbackAfterSendGroupMsgCommand , groupID , and the complete message snapshot described on Before sending a group message /platform api/webhooks/message/before send group message . It includes recvID and keyVersion Enterprise extensions. Response Return HTTP success promptly. Message delivery has already been processed and cannot be changed by this response. Processing rules Configuration key: afterSendGroupMsg . Process idempotently using clientMsgID , scoped by groupID when necessary."
+    "content": "Synchronize a message event after a group message is sent. HTTP request POST WEBHOOK ADDRESS /callbackAfterSendGroupMsgCommand Request body The payload contains callbackCommand: callbackAfterSendGroupMsgCommand , groupID , and the complete message snapshot described on Before sending a group message /platform api/webhooks/message/before send group message . It also includes keyVersion Enterprise . Response Return HTTP success promptly. Message delivery has already been processed and cannot be changed by this response. Processing rules Configuration key: afterSendGroupMsg . Process idempotently using clientMsgID , scoped by groupID when necessary."
   },
   {
     "path": "/platform-api/webhooks/message/before-message-modify",
diff --git a/src/generated/search-index.json b/src/generated/search-index.json
index b826cbeac6..51dc6a9d30 100644
--- a/src/generated/search-index.json
+++ b/src/generated/search-index.json
@@ -5829,7 +5829,7 @@
     "description": "Review, reject, or inspect fields before a group message is sent.",
     "context": "Platform API",
     "keywords": "platform-api v3 platform-api webhooks message before-send-group-message",
-    "content": "Use this callback for content moderation, policy enforcement, or field validation before a group message is sent. HTTP request POST WEBHOOK ADDRESS /callbackBeforeSendGroupMsgCommand Request body The payload contains callbackCommand: callbackBeforeSendGroupMsgCommand , groupID , and the message fields described on Before sending a one to one message /platform api/webhooks/message/before send single message . Group messages also expose these fields: | Property | Type | Description | | | | | | recvID Enterprise | string | Recipient identifier supplied for the group message. | | keyVersion Enterprise | int | Message encryption key version. | Response Return the common before event response from Webhooks overview /platform api/webhooks/overview . Use nextCode: 1 to reject the message. Processing rules Configuration key: beforeSendGroupMsg . OpenIM waits synchronously; timeout behavior follows failedContinue ."
+    "content": "Use this callback for content moderation, policy enforcement, or field validation before a group message is sent. HTTP request POST WEBHOOK ADDRESS /callbackBeforeSendGroupMsgCommand Request body The payload contains callbackCommand: callbackBeforeSendGroupMsgCommand , groupID , and the common message fields described on Before sending a one to one message /platform api/webhooks/message/before send single message , except recvID ; group callbacks use groupID instead to identify the destination. Group messages also expose this field: | Property | Type | Description | | | | | | keyVersion Enterprise | int | Message encryption key version. | Response Return the common before event response from Webhooks overview /platform api/webhooks/overview . Use nextCode: 1 to reject the message. Processing rules Configuration key: beforeSendGroupMsg . OpenIM waits synchronously; timeout behavior follows failedContinue ."
   },
   {
     "path": "/platform-api/webhooks/message/after-send-group-message",
@@ -5837,7 +5837,7 @@
     "description": "Synchronize a message event after a group message is sent.",
     "context": "Platform API",
     "keywords": "platform-api v3 platform-api webhooks message after-send-group-message",
-    "content": "Synchronize a message event after a group message is sent. HTTP request POST WEBHOOK ADDRESS /callbackAfterSendGroupMsgCommand Request body The payload contains callbackCommand: callbackAfterSendGroupMsgCommand , groupID , and the complete message snapshot described on Before sending a group message /platform api/webhooks/message/before send group message . It includes recvID and keyVersion Enterprise extensions. Response Return HTTP success promptly. Message delivery has already been processed and cannot be changed by this response. Processing rules Configuration key: afterSendGroupMsg . Process idempotently using clientMsgID , scoped by groupID when necessary."
+    "content": "Synchronize a message event after a group message is sent. HTTP request POST WEBHOOK ADDRESS /callbackAfterSendGroupMsgCommand Request body The payload contains callbackCommand: callbackAfterSendGroupMsgCommand , groupID , and the complete message snapshot described on Before sending a group message /platform api/webhooks/message/before send group message . It also includes keyVersion Enterprise . Response Return HTTP success promptly. Message delivery has already been processed and cannot be changed by this response. Processing rules Configuration key: afterSendGroupMsg . Process idempotently using clientMsgID , scoped by groupID when necessary."
   },
   {
     "path": "/platform-api/webhooks/message/before-message-modify",