diff --git a/README.md b/README.md
index ee2711d..620b2a0 100644
--- a/README.md
+++ b/README.md
@@ -47,6 +47,7 @@ CatismImage 是一个基于Web的图片存储和管理系统，提供用户友
    # NSFW过滤配置(目前支持NSFWPY)
    ENABLE_NSFW_FILTER=true/false
    NSFWPY_ENDPOINT=your_nsfwpy_endpoint
+   NSFWPY_THRESHOLD=0.5
    ```
 
 6. 运行后端服务：
diff --git a/config.py b/config.py
index 69c084d..05374e4 100644
--- a/config.py
+++ b/config.py
@@ -18,6 +18,7 @@ class Config:
 
     ENABLE_NSFW_FILTER = os.getenv('ENABLE_NSFW_FILTER')
     NSFWPY_ENDPOINT = os.getenv('NSFWPY_ENDPOINT')
+    NSFWPY_THRESHOLD = os.getenv('NSFWPY_THRESHOLD')
 
     if(S3_ACCESS_KEY == None or S3_SECRET_KEY == None or S3_BUCKET == None or S3_ENDPOINT == None):
         print("错误：缺少必需的S3环境变量")
diff --git a/routes/images.py b/routes/images.py
index 2316703..c326668 100644
--- a/routes/images.py
+++ b/routes/images.py
@@ -77,8 +77,8 @@ def upload_image():
             nsfw_data = response.json()
             
             # 检查NSFW评分
-            if nsfw_data.get('neutral', 0) + nsfw_data.get('drawing', 0) < 0.5:
-                return jsonify({'error': '图片内容不符合安全标准'}), 403
+            if nsfw_data.get('neutral', 0) + nsfw_data.get('drawing', 0) < 1 - AppConfig.NSFWPY_THRESHOLD:
+                return jsonify({'error': '图片内容未通过NSFW检查'}), 403
             
             file.seek(0)
         except Exception as e: