diff --git a/epmet-user/epmet-user-client/src/main/java/com/epmet/dto/form/SendNoticeFormDTO.java b/epmet-user/epmet-user-client/src/main/java/com/epmet/dto/form/SendNoticeFormDTO.java
index bd24801531..4454aba909 100644
--- a/epmet-user/epmet-user-client/src/main/java/com/epmet/dto/form/SendNoticeFormDTO.java
+++ b/epmet-user/epmet-user-client/src/main/java/com/epmet/dto/form/SendNoticeFormDTO.java
@@ -4,7 +4,8 @@ import com.epmet.commons.tools.validator.group.DefaultGroup;
 import lombok.Data;
 import lombok.NoArgsConstructor;
 
-import javax.validation.constraints.NotNull;
+import javax.validation.constraints.NotEmpty;
+import javax.validation.constraints.Size;
 import java.io.Serializable;
 import java.util.List;
 
@@ -22,22 +23,23 @@ public class SendNoticeFormDTO implements Serializable {
     /**
      * 用户列表
      */
-    @NotNull(message = "用户列表不能为空", groups = DefaultGroup.class)
+    @NotEmpty(message = "用户列表不能为空", groups = DefaultGroup.class)
     private List<UserListBean> userList;
     /**
      * 通知渠道通知渠道 0小程序通知，1短信通知
      */
-    @NotNull(message = "通知渠道不能为空", groups = DefaultGroup.class)
+    @NotEmpty(message = "请选择通知渠道", groups = DefaultGroup.class)
     private List<String> channel;
     /**
      * 通知来源 0 行程上报，1 疫苗接种，2 核酸检测
      */
-    @NotNull(message = "通知来源不能为空", groups = DefaultGroup.class)
+    @NotEmpty(message = "通知来源不能为空", groups = DefaultGroup.class)
     private String origin;
     /**
      * 通知内容
      */
-    @NotNull(message = "通知内容不能为空", groups = DefaultGroup.class)
+    @NotEmpty(message = "通知内容不能为空", groups = DefaultGroup.class)
+    @Size(max = 500, message = "通知内容不超过500字")
     private String content;
     /**
      * 组织名
diff --git a/epmet-user/epmet-user-server/src/main/java/com/epmet/service/impl/IcNoticeServiceImpl.java b/epmet-user/epmet-user-server/src/main/java/com/epmet/service/impl/IcNoticeServiceImpl.java
index c306bec8aa..28fd02753b 100644
--- a/epmet-user/epmet-user-server/src/main/java/com/epmet/service/impl/IcNoticeServiceImpl.java
+++ b/epmet-user/epmet-user-server/src/main/java/com/epmet/service/impl/IcNoticeServiceImpl.java
@@ -137,7 +137,10 @@ public class IcNoticeServiceImpl extends BaseServiceImpl<IcNoticeDao, IcNoticeEn
         //保存消息
         String channel = StringUtils.join(formDTO.getChannel(), StrConstant.COMMA);
         String finalOrgName = orgName;
-        List<IcNoticeEntity> entityList = formDTO.getUserList().stream().map(item -> {
+        List<SendNoticeFormDTO.UserListBean> userBeanList = formDTO.getUserList().stream().collect(Collectors.collectingAndThen(
+                Collectors.toCollection(() -> new TreeSet<>(
+                        Comparator.comparing( SendNoticeFormDTO.UserListBean::getIdCard))), ArrayList::new));
+        List<IcNoticeEntity> entityList = userBeanList.stream().map(item -> {
             IcNoticeEntity entity = new IcNoticeEntity();
             entity.setCustomerId(formDTO.getCustomerId());
             entity.setChannel(channel);