diff --git a/picture_library/src/main/java/com/luck/picture/lib/PictureSelectorActivity.java b/picture_library/src/main/java/com/luck/picture/lib/PictureSelectorActivity.java
index 1c8c98a45..b5418de53 100644
--- a/picture_library/src/main/java/com/luck/picture/lib/PictureSelectorActivity.java
+++ b/picture_library/src/main/java/com/luck/picture/lib/PictureSelectorActivity.java
@@ -319,10 +319,10 @@ public void onComplete(List<LocalMedia> result, int currentPage, boolean isHasMo
      */
     private void loadAllMediaData() {
         if (PermissionChecker
-                .checkSelfPermission(this, Manifest.permission.READ_EXTERNAL_STORAGE)) {
+                .checkSelfPermission(this, Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
             readLocalMedia();
         } else {
-            PermissionChecker.requestPermissions(this, new String[]{Manifest.permission.READ_EXTERNAL_STORAGE}, PictureConfig.APPLY_STORAGE_PERMISSIONS_CODE);
+            PermissionChecker.requestPermissions(this, new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE}, PictureConfig.APPLY_STORAGE_PERMISSIONS_CODE);
         }
     }