diff --git a/astrbot/core/platform/sources/wecom/wecom_adapter.py b/astrbot/core/platform/sources/wecom/wecom_adapter.py
index 587748b6c..528a8cab8 100644
--- a/astrbot/core/platform/sources/wecom/wecom_adapter.py
+++ b/astrbot/core/platform/sources/wecom/wecom_adapter.py
@@ -146,7 +146,7 @@ class WecomPlatformAdapter(Platform):
             self.client.kf = self.wechat_kf_api
             self.client.kf_message = self.wechat_kf_message_api
 
-            self.client.API_BASE_URL = self.api_base_url
+        self.client.API_BASE_URL = self.api_base_url
 
         async def callback(msg: BaseMessage):
             if msg.type == "unknown" and msg._data["Event"] == "kf_msg_or_event":
diff --git a/astrbot/core/platform/sources/weixin_official_account/weixin_offacc_adapter.py b/astrbot/core/platform/sources/weixin_official_account/weixin_offacc_adapter.py
index d7463d4d1..5ed589516 100644
--- a/astrbot/core/platform/sources/weixin_official_account/weixin_offacc_adapter.py
+++ b/astrbot/core/platform/sources/weixin_official_account/weixin_offacc_adapter.py
@@ -136,6 +136,8 @@ class WeixinOfficialAccountPlatformAdapter(Platform):
             self.config["secret"].strip(),
         )
 
+        self.client.API_BASE_URL = self.api_base_url
+
         async def callback(msg):
             try:
                 await self.convert_message(msg)