diff --git a/app/src/main/java/me/ketal/hook/SortAtPanel.kt b/app/src/main/java/me/ketal/hook/SortAtPanel.kt
index ee1c5cf020..2437b2083c 100644
--- a/app/src/main/java/me/ketal/hook/SortAtPanel.kt
+++ b/app/src/main/java/me/ketal/hook/SortAtPanel.kt
@@ -89,8 +89,8 @@ object SortAtPanel : CommonSwitchFunctionHook(
         }
 
         // for NT QQ 8.9.68.11450
-        val clazz = Initiator.load("com.tencent.mobileqq.aio.input.at.business.AIOAtSelectMemberUseCase")
-        for (m in clazz?.declaredMethods!!) {
+        val clazz = Initiator.load("com.tencent.mobileqq.aio.input.at.business.AIOAtSelectMemberUseCase") ?: return@throwOrTrue
+        for (m in clazz.declaredMethods) {
             if (m.paramCount == 1 && m.returnType == Map::class.java && m.parameterTypes[0] == List::class.java) {
                 m.hookAfter {
                     val backMap = it.result as Map<String, List<Any>>