diff --git a/bot/types.py b/bot/types.py
new file mode 100644
index 0000000..33cd801
--- /dev/null
+++ b/bot/types.py
@@ -0,0 +1,17 @@
+
+from lib_not_dr.types import Options
+
+
+class SocketData(Options):
+    name = 'SocketData'
+
+    def to_json(self) -> dict:
+        return self.option()
+
+
+class AddMessage(SocketData):
+    name = 'icalingua socket add message event'
+
+    roomId: int
+
+
diff --git a/connect.py b/connect.py
index 9f46361..c631182 100644
--- a/connect.py
+++ b/connect.py
@@ -188,7 +188,10 @@ async def add_message(data: Dict[str, Any]):
         elif data.get('message').get('content').startswith('=='):
 
             evals: str = data.get('message').get('content')[2:]
-            result = await safe_eval(evals)
+            try:
+                result = await asyncio.wait_for(safe_eval(evals), 5)
+            except asyncio.TimeoutError:
+                result = f'{evals}\n超时'
             reply = ReplyMessage(id=data['message']['_id'])
             message = Message(content=result,
                               reply_to=reply,
diff --git a/main.py b/main.py
new file mode 100644
index 0000000..8b13789
--- /dev/null
+++ b/main.py
@@ -0,0 +1 @@
+