diff --git a/backend/src/main/java/io/metersphere/notice/service/DingTaskService.java b/backend/src/main/java/io/metersphere/notice/service/DingTaskService.java
index 809806c10d..ac1112bad7 100644
--- a/backend/src/main/java/io/metersphere/notice/service/DingTaskService.java
+++ b/backend/src/main/java/io/metersphere/notice/service/DingTaskService.java
@@ -9,6 +9,7 @@ import io.metersphere.commons.constants.NoticeConstants;
 import io.metersphere.notice.domain.MessageDetail;
 import io.metersphere.notice.domain.UserDetail;
 import io.metersphere.service.UserService;
+import org.apache.commons.collections4.CollectionUtils;
 import org.apache.commons.lang3.StringUtils;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Propagation;
@@ -53,6 +54,9 @@ public class DingTaskService {
     }
 
     public void sendDingTask(String context, List<String> userIds, String Webhook) {
+        if (CollectionUtils.isEmpty(userIds)) {
+            return;
+        }
         DingTalkClient client = new DefaultDingTalkClient(Webhook);
         OapiRobotSendRequest request = new OapiRobotSendRequest();
         request.setMsgtype("text");
diff --git a/backend/src/main/java/io/metersphere/notice/service/MailService.java b/backend/src/main/java/io/metersphere/notice/service/MailService.java
index c0ec7f458f..516be9d7bf 100644
--- a/backend/src/main/java/io/metersphere/notice/service/MailService.java
+++ b/backend/src/main/java/io/metersphere/notice/service/MailService.java
@@ -281,6 +281,9 @@ public class MailService {
     }
 
     private void sendReviewNotice(List<String> userIds, Map<String, String> context, String Template) throws MessagingException {
+        if (CollectionUtils.isEmpty(userIds)) {
+            return;
+        }
         JavaMailSenderImpl javaMailSender = getMailSender();
         MimeMessage mimeMessage = javaMailSender.createMimeMessage();
         MimeMessageHelper helper = new MimeMessageHelper(mimeMessage, true);
@@ -301,6 +304,9 @@ public class MailService {
     }
 
     private void sendTestPlanNotice(List<String> userIds, Map<String, String> context, String Template) throws MessagingException {
+        if (CollectionUtils.isEmpty(userIds)) {
+            return;
+        }
         JavaMailSenderImpl javaMailSender = getMailSender();
         MimeMessage mimeMessage = javaMailSender.createMimeMessage();
         MimeMessageHelper helper = new MimeMessageHelper(mimeMessage, true);
@@ -308,9 +314,6 @@ public class MailService {
         helper.setSubject("MeterSphere平台" + Translator.get("test_plan_notification"));
         String[] users;
         List<String> emails = new ArrayList<>();
-        if (CollectionUtils.isEmpty(userIds)) {
-            return;
-        }
         List<UserDetail> list = userService.queryTypeByIds(userIds);
         list.forEach(u -> {
             emails.add(u.getEmail());
@@ -323,6 +326,9 @@ public class MailService {
     }
 
     private void sendIssuesNotice(List<String> userIds, Map<String, String> context, String Template) throws MessagingException {
+        if (CollectionUtils.isEmpty(userIds)) {
+            return;
+        }
         JavaMailSenderImpl javaMailSender = getMailSender();
         MimeMessage mimeMessage = javaMailSender.createMimeMessage();
         MimeMessageHelper helper = new MimeMessageHelper(mimeMessage, true);
diff --git a/backend/src/main/java/io/metersphere/notice/service/WxChatTaskService.java b/backend/src/main/java/io/metersphere/notice/service/WxChatTaskService.java
index b2127f0f32..c7b71ae205 100644
--- a/backend/src/main/java/io/metersphere/notice/service/WxChatTaskService.java
+++ b/backend/src/main/java/io/metersphere/notice/service/WxChatTaskService.java
@@ -7,6 +7,7 @@ import io.metersphere.notice.message.TextMessage;
 import io.metersphere.notice.util.SendResult;
 import io.metersphere.notice.util.WxChatbotClient;
 import io.metersphere.service.UserService;
+import org.apache.commons.collections4.CollectionUtils;
 import org.apache.commons.lang3.StringUtils;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Propagation;
@@ -52,8 +53,11 @@ public class WxChatTaskService {
     }
 
     public void enterpriseWechatTask(String context, List<String> userIds, String Webhook) {
+        if (CollectionUtils.isEmpty(userIds)) {
+            return;
+        }
         TextMessage message = new TextMessage(context);
-        List<String> mentionedMobileList = new ArrayList<String>();
+        List<String> mentionedMobileList = new ArrayList<>();
         List<UserDetail> list = userService.queryTypeByIds(userIds);
         List<String> phoneList = new ArrayList<>();
         list.forEach(u -> {