diff --git a/src/main/java/com/kimgo/wepush/service/CallService.java b/src/main/java/com/kimgo/wepush/service/CallService.java
index 0320bd8..47f1900 100644
--- a/src/main/java/com/kimgo/wepush/service/CallService.java
+++ b/src/main/java/com/kimgo/wepush/service/CallService.java
@@ -2,7 +2,6 @@ package com.kimgo.wepush.service;
 
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.databind.ObjectMapper;
-import com.kimgo.wepush.common.PhoneNumberValidation;
 import com.kimgo.wepush.response.QyWeChatSendMessageApiResponse;
 import com.kimgo.wepush.model.CallInfo;
 import com.kimgo.wepush.model.TextCardMessage;