🐛 Bug: Fix the bug where the lobechat gemini official API cannot use the tool. The reason is that lobechat automatically uses multiple consecutive underscores in the system prompt to name function names, which gemini does not support.

request.py

@@ -1,4 +1,5 @@
 import os
+import re
 import json
 from models import RequestModel
 from utils import c35s, c3s, c3o, c3h, gem, BaseAPI
@@ -150,6 +151,7 @@ async def get_gemini_payload(request, engine, provider):
         elif msg.role != "system":
             messages.append({"role": msg.role, "parts": content})
         elif msg.role == "system":
+            content[0]["text"] = re.sub(r"_+", "_", content[0]["text"])
             systemInstruction = {"parts": content}