diff --git a/script/boxjs.json b/script/boxjs.json
index a87933adc..6e825b02e 100644
--- a/script/boxjs.json
+++ b/script/boxjs.json
@@ -545,6 +545,7 @@
         "tf_loop_count",
         "tf_session_info",
         "tf_joined_app_id",
+        "tf_storefront_id",
         "tf_invalid_app_id",
         "tf_check_account_id",
         "tf_join_concurrency",
@@ -645,6 +646,13 @@
           "placeholder": "",
           "autoGrow": true,
           "desc": "选择一个账号专门用于检测TF是否可以加入，以保护主号"
+        },
+        {
+          "id": "tf_storefront_id",
+          "name": "自定义storefrontId",
+          "val": "143441-19,29",
+          "type": "input",
+          "desc": "自定义storefrontId，以解决国区账号TestFlight下载App受限问题"
         }
       ],
       "icons": [
diff --git a/script/testflight/testflight.js b/script/testflight/testflight.js
index 682ea6c24..5258baacc 100644
--- a/script/testflight/testflight.js
+++ b/script/testflight/testflight.js
@@ -6,6 +6,7 @@ const tfSessionInfoKey = "tf_session_info";
 const tfCheckSessionTimeKey = "tf_check_session_time";
 const tfCheckSessionTimeDiffKey = "tf_check_session_time_diff";
 const tfAppUseAccountIdKey = "tf_app_use_account_id";
+const tfStorefrontId = "tf_storefront_id";
 const getSessionRegex = /^https:\/\/testflight\.apple\.com\/v3\/accounts\/(\w{8}-\w{4}-\w{4}-\w{4}-\w{12})\/apps$/;
 const getFullAppIdRegex = /^https:\/\/testflight\.apple\.com\/v3\/accounts\/\w{8}-\w{4}-\w{4}-\w{4}-\w{12}\/ru\/([a-zA-Z0-9]{8})$/;
 const modifyTFRequest = /^https:\/\/testflight\.apple\.com\/v\d\/accounts\/\w{8}-\w{4}-\w{4}-\w{4}-\w{12}\/apps\/\d+/
@@ -79,7 +80,7 @@ function modifyRequest() {
     }
   }
   if (/\/install$/.test($.request.url) && Object.keys(body).length > 0) {
-    body.storefrontId = "143441-19,29";
+    body.storefrontId = $.data.read(tfStorefrontId, "143441-19,29");
   }
   return [url, headers, JSON.stringify(body)];
 }