diff --git a/app/services/auth.py b/app/services/auth.py
index 3f47aca..29c1f83 100644
--- a/app/services/auth.py
+++ b/app/services/auth.py
@@ -330,7 +330,7 @@ class AuthService:
         
     async def join_server(self, request_data: dict):
         access_token = request_data.get("accessToken")
-        selected_profile = request_data.get("selectedProfile")
+        selected_profile = request_data.get("selectedProfile")  # STRING UUID
         server_id = request_data.get("serverId")
 
         if not all([access_token, selected_profile, server_id]):
@@ -338,26 +338,36 @@ class AuthService:
 
         session = await sessions_collection.find_one({
             "access_token": access_token,
-            "client_token": request_data.get("clientToken"),
         })
 
-        if not session or datetime.utcnow() > session["expires_at"]:
-            raise HTTPException(status_code=401, detail="Invalid or expired session")
+        if not session:
+            raise HTTPException(status_code=401, detail="Invalid session")
 
-        decoded_token = decode_token(access_token)
-        if not decoded_token:
+        if datetime.utcnow() > session["expires_at"]:
+            raise HTTPException(status_code=401, detail="Session expired")
+
+        decoded = decode_token(access_token)
+        if not decoded:
             raise HTTPException(status_code=401, detail="Invalid access token")
 
-        token_uuid = decoded_token.get("uuid", "").replace("-", "")
+        # 🔥 ВАЖНО
+        token_uuid = decoded["uuid"].replace("-", "")
+        
+        print("JOIN DEBUG:", {
+            "token_uuid": token_uuid,
+            "selected_profile": selected_profile,
+            "raw": request_data
+        })
+        
         if token_uuid != selected_profile:
-            raise HTTPException(status_code=403, detail="Token doesn't match selected profile")
+            raise HTTPException(status_code=403, detail="Profile mismatch")
 
         await sessions_collection.update_one(
             {"_id": session["_id"]},
             {"$set": {"server_id": server_id}},
         )
 
-        return True
+        return JSONResponse(status_code=204, content=None)
 
     async def has_joined(self, username: str, server_id: str):
         user = await users_collection.find_one({"username": username})