diff --git a/android/settings.gradle b/android/settings.gradle
index 45e0e563bb..e9ff0700b6 100644
--- a/android/settings.gradle
+++ b/android/settings.gradle
@@ -26,7 +26,9 @@ def updateSubmodule(){
     }
 }
 
-updateSubmodule()
+if (new File('../.git').exists()) {
+    updateSubmodule()
+}
 
 include ":playground"
 project(":playground").projectDir=new File("../weex-playground/android/playground")