完成打包测试，准备更新到最新的Unity

Assets/Plugins/Script/AssetUpdate/JsonAssetInfo.cs

@@ -37,6 +37,11 @@ namespace AssetUpdate
             return result;
         }
 
+        public override string ToString()
+        {
+            return string.Format("apkVersion: {0}, apkUri: {1}, assetVersion: {2}, assetUri: {3}", apkVersion, apkUri, assetVersion, assetUri);
+        }
+
         private JsonAssetInfo()
         {
         }