Update app.py

app.py

@@ -103,8 +103,6 @@ async def extract_and_transform_proxies(input_text):
                     parts.append(f"encrypt-method={proxy['cipher'].strip()}")
                 if 'password' in proxy:
                     parts.append(f"password={proxy['password'].strip()}")
-                # 为 ss 类型默认添加 udp-relay=true
-                parts.append("udp-relay=true")
             elif proxy_type in ['trojan', 'hysteria2']:
                 if 'password' in proxy:
                     parts.append(f"password={proxy['password'].strip()}")
@@ -128,8 +126,11 @@ async def extract_and_transform_proxies(input_text):
                 if 'tcp_fast_open' in proxy:
                     parts.append(f"tfo={str(proxy['tcp_fast_open']).lower()}")
             
+            # 统一处理 udp-relay，避免重复
             if 'udp' in proxy:
                 parts.append(f"udp-relay={'true' if proxy['udp'] in [True, 'true', 'True'] else 'false'}")
+            elif proxy_type == 'ss':
+                parts.append("udp-relay=true")
 
             transformed_proxies.append(", ".join(parts))