修复文件转存报错

api/api_app.py

@@ -60,38 +60,42 @@ def static_proxy(path):
 def proxy(path):
     url = f'{TARGET_URL}/{path}'
     logger.info(f'接收到请求{url}')
-
+    raw_body = request.get_data(cache=True)
     # 获取 headers（排除 Host 避免冲突）
     headers = {key: value for key, value in request.headers if key.lower() != 'host'}
     headers[
         'User-Agent'] = 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.36'
 
     try:
-        if request.files:
+        if request.files or (request.content_type and 'multipart/form-data' in request.content_type.lower()):
             # 构造 Multipart 表单
             fields = {}
 
             # 添加普通字段
-            for key, value in request.form.items():
-                fields[key] = value
+            if request.files:
+                for key, value in request.form.items():
+                    fields[key] = value
 
             # 添加文件字段
-            for key, file in request.files.items():
-                fields[key] = (file.filename, file.stream, file.mimetype)
+                for key, file in request.files.items():
+                    fields[key] = (file.filename, file.stream, file.mimetype)
 
-            m = MultipartEncoder(fields=fields)
-            headers['Content-Type'] = m.content_type
+                form_data = MultipartEncoder(fields=fields)
+                headers['Content-Type'] = form_data.content_type
+            else:
+                form_data = raw_body
 
             resp = requests.request(
                 method=request.method,
                 url=url,
                 headers=headers,
                 params=request.args,
-                data=m,
+                data=form_data,
                 cookies=request.cookies,
                 allow_redirects=False
             )
         else:
+            # JSON 或普通表单
             json_data = None
             form_data = None
             if request.content_type and 'application/json' in request.content_type.lower():