diff --git a/astrbot/core/platform/sources/wecom_ai_bot/wecomai_adapter.py b/astrbot/core/platform/sources/wecom_ai_bot/wecomai_adapter.py
index 62f236b57..79fe6f8ed 100644
--- a/astrbot/core/platform/sources/wecom_ai_bot/wecomai_adapter.py
+++ b/astrbot/core/platform/sources/wecom_ai_bot/wecomai_adapter.py
@@ -440,9 +440,16 @@ class WecomAIBotAdapter(Platform):
         )
 
     def _extract_session_id(self, message_data: dict[str, Any]) -> str:
-        """从消息数据中提取会话ID"""
-        user_id = message_data.get("from", {}).get("userid", "default_user")
-        return format_session_id("wecomai", user_id)
+        """从消息数据中提取会话ID
+        群聊使用 chatid，单聊使用 userid
+        """
+        chattype = message_data.get("chattype", "single")
+        if chattype == "group":
+            chat_id = message_data.get("chatid", "default_group")
+            return format_session_id("wecomai", chat_id)
+        else:
+            user_id = message_data.get("from", {}).get("userid", "default_user")
+            return format_session_id("wecomai", user_id)
 
     async def _enqueue_message(
         self,
diff --git a/astrbot/core/provider/manager.py b/astrbot/core/provider/manager.py
index 520b36cd4..0df9f791a 100644
--- a/astrbot/core/provider/manager.py
+++ b/astrbot/core/provider/manager.py
@@ -808,6 +808,8 @@ class ProviderManager:
             config.save_config()
             # load instance
             await self.load_provider(new_config)
+            # sync in-memory config for API queries (e.g., embedding provider list)
+            self.providers_config = astrbot_config["provider"]
 
     async def terminate(self) -> None:
         if self._mcp_init_task and not self._mcp_init_task.done():
diff --git a/docs/zh/deploy/astrbot/rainyun.md b/docs/zh/deploy/astrbot/rainyun.md
index b0628b4d0..818785ec1 100644
--- a/docs/zh/deploy/astrbot/rainyun.md
+++ b/docs/zh/deploy/astrbot/rainyun.md
@@ -41,4 +41,4 @@ AstrBot 已经上架至雨云的预装软件列表，支持**一键安装** Astr
 
 ![创建NAT端口映射规则](https://files.astrbot.app/docs/source/images/rainyun/image-2.png)
 
-然后，内网端口填写 `6185`，点击 `创建映射规则`，这样就可以通过 `http://IP:上面设置好的外网端口` 访问 AstrBot 的管理面板了。
+然后，内网端口填写 `6185`，点击 `创建映射规则`，这样就可以通过 `http://IP:上面设置好的外网端口` 访问 AstrBot 的管理面板了。如果无法打开，请点击`备用地址`，通过备用地址访问管理面板。