diff --git a/app/src/main/java/com/yingmao/clash/net/http/HttpApi.kt b/app/src/main/java/com/yingmao/clash/net/http/HttpApi.kt
index 158d0c3..8bf3cf8 100644
--- a/app/src/main/java/com/yingmao/clash/net/http/HttpApi.kt
+++ b/app/src/main/java/com/yingmao/clash/net/http/HttpApi.kt
@@ -39,6 +39,7 @@ import retrofit2.http.GET
 import retrofit2.http.Header
 import retrofit2.http.Headers
 import retrofit2.http.POST
+import retrofit2.http.Query
 import retrofit2.http.QueryMap
 
 interface HttpApi {
@@ -643,6 +644,7 @@ interface HttpApi {
     )
     @GET("/netbarcloud/open/countryFlag")
     suspend fun selectNodeInfo(
+        @Query("invitationCode") invitationCode: String,
         @Header("token") string: String = MMKV.defaultMMKV().decodeString(
             BZYConstants.MMKV_KEY_TOKEN
         ).toString(),
diff --git a/app/src/main/java/com/yingmao/clash/vm/MainAtyVM.kt b/app/src/main/java/com/yingmao/clash/vm/MainAtyVM.kt
index bb05b76..8242002 100644
--- a/app/src/main/java/com/yingmao/clash/vm/MainAtyVM.kt
+++ b/app/src/main/java/com/yingmao/clash/vm/MainAtyVM.kt
@@ -359,6 +359,6 @@ class MainAtyVM : PublicViewMode() {
     }
     fun getSelectNodeInfo() {
         val httpApi = NetService.instances.createHttps(HttpApi::class.java)
-        doAsync(HttpReqType.SelectNode) { httpApi.selectNodeInfo() }
+        doAsync(HttpReqType.SelectNode) { httpApi.selectNodeInfo(BuildConfig.productId) }
     }
 }
\ No newline at end of file