diff --git a/main.py b/main.py
index f6303c1..1d2ce91 100644
--- a/main.py
+++ b/main.py
@@ -2,12 +2,13 @@ from dotenv import load_dotenv
 
 load_dotenv()
 
-from fastapi import FastAPI
+from services.middleware.exception_handler import global_exception_handler
+from services.middleware.logging_middleware import LoggingMiddleware
+from fastapi import FastAPI, Request
 from api.routers import include_routers
 from db.session import close_db, init_db
 from contextlib import asynccontextmanager
 from fastapi.middleware.cors import CORSMiddleware
-from api.middleware import LoggingMiddleware
 from services.adapters.registry import runtime_registry
 
 
@@ -29,6 +30,7 @@ def create_app() -> FastAPI:
     )
     include_routers(app)
     app.add_middleware(LoggingMiddleware)
+    app.add_exception_handler(Exception, global_exception_handler)
     return app
 
 
diff --git a/services/middleware/exception_handler.py b/services/middleware/exception_handler.py
new file mode 100644
index 0000000..c91cfc8
--- /dev/null
+++ b/services/middleware/exception_handler.py
@@ -0,0 +1,25 @@
+from fastapi import Request, status
+from fastapi.responses import JSONResponse
+from services.logging import LogService
+import traceback
+
+async def global_exception_handler(request: Request, exc: Exception):
+    """
+    全局异常处理
+    """
+    error_details = {
+        "method": request.method,
+        "url": str(request.url),
+        "headers": dict(request.headers),
+        "exception": str(exc),
+        "traceback": traceback.format_exc(),
+    }
+    await LogService.error(
+        source="global_exception_handler",
+        message=f"Unhandled exception: {exc}",
+        details=error_details
+    )
+    return JSONResponse(
+        status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
+        content={"error": "Internal Server Error", "detail": str(exc)},
+    )
\ No newline at end of file
diff --git a/api/middleware.py b/services/middleware/logging_middleware.py
similarity index 98%
rename from api/middleware.py
rename to services/middleware/logging_middleware.py
index d8f5a06..33f853b 100644
--- a/api/middleware.py
+++ b/services/middleware/logging_middleware.py
@@ -43,4 +43,4 @@ class LoggingMiddleware(BaseHTTPMiddleware):
         
         await LogService.api(message, details, user_id)
         
-        return response
+        return response
\ No newline at end of file