v1.0.0后端最终修复版

backend/middleware/rate_limit.py

@@ -11,7 +11,6 @@ from fastapi import Request, HTTPException
 from slowapi import Limiter, _rate_limit_exceeded_handler
 from slowapi.util import get_remote_address
 from slowapi.errors import RateLimitExceeded
-from slowapi.extension import RateLimitDecorator
 from ..config import settings
 
 # 创建限流器
@@ -24,11 +23,12 @@ def setup_rate_limit(app):
         app.add_exception_handler(RateLimitExceeded, _rate_limit_exceeded_handler)
 
 def rate_limit(requests: int = None, period: int = None):
-    """限流装饰器工厂 - 修复版本"""
+    """限流装饰器工厂"""
     if not settings.RATE_LIMIT_ENABLED:
         return lambda func: func
     
     req = requests or settings.RATE_LIMIT_REQUESTS
     per = period or settings.RATE_LIMIT_PERIOD
     
+    # 直接返回 slowapi 的限流装饰器
     return limiter.limit(f"{req}/{per} seconds")