V3.0.1优化完成 补丁安装完成要出现弹窗提示->还没测试

app/src/main/java/com/gh/common/view/DownloadDialog.java

@@ -91,17 +91,14 @@ public class DownloadDialog implements OnCollectionCallBackListener {
     private boolean isLoadPlatform;
 
     private DownloadDialog() {
-    }
-
-    private DownloadDialog(Context context) {
-        mContext = context;
         isShow = false;
     }
 
     public static DownloadDialog getInstance(Context context) {
         if (instance == null) {
-            instance = new DownloadDialog(context);
+            instance = new DownloadDialog();
         }
+        instance.mContext = context; // 每次创建context重新赋值, Dialog持有context问题
         return instance;
     }