diff --git a/mailbox-lan/src/main/java/com/biutag/lan/service/MailService.java b/mailbox-lan/src/main/java/com/biutag/lan/service/MailService.java
index 52f2527..0f0ea00 100644
--- a/mailbox-lan/src/main/java/com/biutag/lan/service/MailService.java
+++ b/mailbox-lan/src/main/java/com/biutag/lan/service/MailService.java
@@ -29,6 +29,7 @@ import com.biutag.lan.flow.node.FirstSignFlow;
 import com.biutag.lan.mapper.MailMapper;
 import com.biutag.lan.mapper.MailSourceMapper;
 import com.biutag.lan.mapper.WorkMapper;
+import com.biutag.lan.validate.commons.MailIdValidate;
 import jakarta.annotation.Resource;
 import lombok.RequiredArgsConstructor;
 import org.springframework.beans.BeanUtils;
@@ -455,9 +456,6 @@ public class MailService extends ServiceImpl<MailMapper, Mail> {
     }
 
     public boolean delete(MailIdValidate mailId) {
-        if (mailId.getId()==null || mailId.getId().equals("")){
-            return  false;
-        }
         Mail mail = baseMapper.selectById(mailId.getId());
         if (mailId.getId()!=null||!mailId.getId().equals("")){
             if (mail.getFlowKey().equals(FlowNodeEnum.FIRST_SIGN.getKey())||mail.getFlowKey().equals(FlowNodeEnum.FIRST_DISTRIBUTE.getKey())){
diff --git a/mailbox-lan/src/main/java/com/biutag/lan/validate/commons/MailIdValidate.java b/mailbox-lan/src/main/java/com/biutag/lan/validate/commons/MailIdValidate.java
new file mode 100644
index 0000000..9fd3010
--- /dev/null
+++ b/mailbox-lan/src/main/java/com/biutag/lan/validate/commons/MailIdValidate.java
@@ -0,0 +1,19 @@
+package com.biutag.lan.validate.commons;
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+import jakarta.validation.constraints.NotBlank;
+import lombok.Data;
+
+
+import java.io.Serializable;
+
+@Data
+@ApiModel("ID参数")
+public class MailIdValidate implements Serializable {
+
+    private static final long serialVersionUID = 1L;
+    @NotBlank
+    @ApiModelProperty(value = "ID", required = true)
+    private String id;
+
+}