diff --git a/app/src/main/java/com/gh/gamecenter/manager/UpdateManager.java b/app/src/main/java/com/gh/gamecenter/manager/UpdateManager.java
index 38ca4213c0..6e8e72b338 100644
--- a/app/src/main/java/com/gh/gamecenter/manager/UpdateManager.java
+++ b/app/src/main/java/com/gh/gamecenter/manager/UpdateManager.java
@@ -335,6 +335,10 @@ public class UpdateManager {
                 PackageInstaller.install(mContext, path);
             } else {
                 MtaHelper.onEvent("软件更新", "下载开始");
+
+                if (isUpdateFileDownloaded(md5)) {
+                    deleteDownloadedFile(md5);
+                }
                 showDownloadDialog(md5);
             }
         });
@@ -437,6 +441,12 @@ public class UpdateManager {
         return file.exists() && file.length() == SPUtils.getLong(Constants.LAST_GHZS_UPDATE_FILE_SIZE, 0);
     }
 
+    private void deleteDownloadedFile(String md5) {
+        String path = FileUtils.getDownloadPath(mContext, "光环助手V" + appEntity.getVersion() + "_" + md5 + ".apk");
+        File file = new File(path);
+        file.delete();
+    }
+
     private void updateUpdateDialogView(boolean isUpdateDownloaded) {
         if (isUpdateDownloaded) {
             confirmTextView.setText("立即安装");