diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index bfd061ba..2d50f9fb 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -15,6 +15,8 @@
         android:name="android.permission.WRITE_EXTERNAL_STORAGE"
         android:maxSdkVersion="28" />
     <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
+    <uses-permission android:name="android.permission.READ_PRIVILEGED_PHONE_STATE" />
+
     <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
     <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
     <uses-permission android:name="android.permission.REQUEST_INSTALL_PACKAGES" />
diff --git a/app/src/main/java/com/huanchengfly/tieba/post/fragments/SearchThreadFragment.kt b/app/src/main/java/com/huanchengfly/tieba/post/fragments/SearchThreadFragment.kt
index a921d2e1..b35133eb 100644
--- a/app/src/main/java/com/huanchengfly/tieba/post/fragments/SearchThreadFragment.kt
+++ b/app/src/main/java/com/huanchengfly/tieba/post/fragments/SearchThreadFragment.kt
@@ -52,8 +52,8 @@ class SearchThreadFragment : BaseFragment(), OnOrderSwitchListener {
         super.onCreate(savedInstanceState)
         order = SearchThreadOrder.NEW
         filter = SearchThreadFilter.ONLY_THREAD
-        if (arguments != null) {
-            keyword = arguments!!.getString(ARG_KEYWORD)
+        if (requireArguments() != null) {
+            keyword =  requireArguments().getString(ARG_KEYWORD)
         }
     }
 
diff --git a/app/src/main/java/com/huanchengfly/tieba/post/fragments/SearchUserFragment.kt b/app/src/main/java/com/huanchengfly/tieba/post/fragments/SearchUserFragment.kt
index 2a7c01ae..fce73cd8 100644
--- a/app/src/main/java/com/huanchengfly/tieba/post/fragments/SearchUserFragment.kt
+++ b/app/src/main/java/com/huanchengfly/tieba/post/fragments/SearchUserFragment.kt
@@ -44,8 +44,8 @@ class SearchUserFragment : BaseFragment() {
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
-        if (arguments != null) {
-            keyword = arguments!!.getString(ARG_KEYWORD)
+        if (requireArguments() != null) {
+            keyword = requireArguments().getString(ARG_KEYWORD)
         }
     }