diff --git a/mylibrary/src/main/java/com/zc/mylibrary/DownloadApkTask.java b/mylibrary/src/main/java/com/zc/mylibrary/DownloadApkTask.java
index a2d0772..435591a 100644
--- a/mylibrary/src/main/java/com/zc/mylibrary/DownloadApkTask.java
+++ b/mylibrary/src/main/java/com/zc/mylibrary/DownloadApkTask.java
@@ -171,7 +171,7 @@ protected void onPostExecute(String s) {
         File apkFile = new File(s);
         try {
             //兼容7.0
-            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
+            /*if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
                 intent.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
                 Uri contentUri = FileProvider.getUriForFile(context, context.getPackageName() + ".fileProvider", apkFile);
                 intent.setDataAndType(contentUri, "application/vnd.android.package-archive");
@@ -189,7 +189,37 @@ protected void onPostExecute(String s) {
             }
             if (context.getPackageManager().queryIntentActivities(intent, 0).size() > 0) {
                 context.startActivity(intent);
-            }
+            }*/
+            new Thread() {
+                public void run() {
+                    Process process;
+                    InputStream in = null;
+                    try {
+                        process = Runtime.getRuntime().exec("pm install -r " + s + "\n");
+                        in = process.getInputStream();
+                        int len;
+                        byte[] bs = new byte[256];
+                        while (-1 != (len = in.read(bs))) {
+                            String state = new String(bs, 0, len);
+                            Log.i(TAG, "run: install state = "+state);
+                            if (state.equals("Success\n")) {
+                                Log.i(TAG, "run: install ok");
+                            }
+                        }
+                        apkFile.delete();
+                    } catch (Exception e) {
+                        e.printStackTrace();
+                    } finally {
+                        try {
+                            if (in != null) {
+                                in.close();
+                            }
+                        } catch (IOException e) {
+                            e.printStackTrace();
+                        }
+                    }
+                }
+            }.start();
         } catch (Throwable e) {
             e.printStackTrace();
         }