diff --git a/http_app.py b/http_app.py
index 267424a..e2bc6d1 100644
--- a/http_app.py
+++ b/http_app.py
@@ -220,6 +220,12 @@ def change_cloth_base64():
     if not data:
         return jsonify({"ret":-1,'msg': 'No JSON data provided'}), 400
     
+
+    is_generated = data.get("is_generated")
+    if not is_generated:
+        return jsonify({"error": "Missing 'is_generated' parameter"}), 400
+    print(f"is_generated: {is_generated}")
+
     human_img = data.get('human_img')
     cloth_img = data.get('cloth_img')
     output_format = data.get('output_format')
@@ -285,6 +291,13 @@ def save_image_from_url(image_url):
 def change_cloth():
     """从 URL 下载图片"""
     data = request.json
+
+    is_generated = data.get("is_generated")
+    if not is_generated:
+        return jsonify({"error": "Missing 'is_generated' parameter"}), 400
+
+    print(f"is_generated: {is_generated}")
+
     human_url = data.get("human_url")
 
     if not human_url:
diff --git a/static/index.html b/static/index.html
index 0914a7f..29093c4 100644
--- a/static/index.html
+++ b/static/index.html
@@ -158,7 +158,8 @@
                 const data = {
                     human_img: humanDataURL, // 包含完整前缀的Base64
                     cloth_img: clothDataURL, // 包含完整前缀的Base64
-                    output_format: "url"
+                    output_format: "url",
+                    is_generated: true,
                 };
                 
                 console.log("准备发送的数据:", data); // 调试用
diff --git a/static/index_url.html b/static/index_url.html
index 2783e4c..a6db7fe 100644
--- a/static/index_url.html
+++ b/static/index_url.html
@@ -144,7 +144,8 @@
                     body: JSON.stringify({
                         human_url: humanUrl,
                         cloth_url: clothUrl,
-                        output_format: 'url'
+                        output_format: 'url',
+                        is_generated: true
                     })
                 });