diff --git a/app/src/main/java/com/hainaos/vc/utils/LenovoCsdkUtil.java b/app/src/main/java/com/hainaos/vc/utils/LenovoCsdkUtil.java
index 9447379..5ee1b2e 100644
--- a/app/src/main/java/com/hainaos/vc/utils/LenovoCsdkUtil.java
+++ b/app/src/main/java/com/hainaos/vc/utils/LenovoCsdkUtil.java
@@ -41,7 +41,12 @@ public class LenovoCsdkUtil {
             Log.e(TAG, "LenovoCsdkUtil: devices not activated");
         }
         List<String> packages = mCSDKManager.getRuntimePermissionWhiteList();
-        if (!packages.contains(BuildConfig.APPLICATION_ID)) {
+        if (packages != null) {
+            if (!packages.contains(BuildConfig.APPLICATION_ID)) {
+                packages.add(BuildConfig.APPLICATION_ID);
+            }
+        } else {
+            packages = new ArrayList<>();
             packages.add(BuildConfig.APPLICATION_ID);
         }
         mCSDKManager.addRuntimePermissionWhiteList(packages);