diff --git a/mailbox-lan/src/main/java/com/biutag/lan/controller/MailController.java b/mailbox-lan/src/main/java/com/biutag/lan/controller/MailController.java
index 928c4c8..9b562fb 100644
--- a/mailbox-lan/src/main/java/com/biutag/lan/controller/MailController.java
+++ b/mailbox-lan/src/main/java/com/biutag/lan/controller/MailController.java
@@ -30,4 +30,15 @@ public class MailController {
         return AjaxResult.success(mailService.next(action));
     }
 
+    /**
+     * 无效类、终止类信件办结
+     * @param action
+     * @return
+     */
+    @NotPower
+    @PostMapping("flow/invalid/completion")
+    public AjaxResult<Boolean> completion(@RequestBody @Valid FlowAction action) {
+        return AjaxResult.success(mailService.next(action));
+    }
+
 }
diff --git a/mailbox-lan/src/main/java/com/biutag/lan/domain/bo/InvalidCompletion.java b/mailbox-lan/src/main/java/com/biutag/lan/domain/bo/InvalidCompletion.java
new file mode 100644
index 0000000..e4bf112
--- /dev/null
+++ b/mailbox-lan/src/main/java/com/biutag/lan/domain/bo/InvalidCompletion.java
@@ -0,0 +1,17 @@
+package com.biutag.lan.domain.bo;
+
+import lombok.Getter;
+import lombok.Setter;
+
+@Setter
+@Getter
+public class InvalidCompletion {
+
+
+    private String mailCategory;
+
+    private String mailFirstCategory;
+
+    private String mailLevel;
+
+}
diff --git a/mailbox-lan/src/main/java/com/biutag/lan/domain/bo/TodoQuery.java b/mailbox-lan/src/main/java/com/biutag/lan/domain/bo/TodoQuery.java
index e579f37..cb45a75 100644
--- a/mailbox-lan/src/main/java/com/biutag/lan/domain/bo/TodoQuery.java
+++ b/mailbox-lan/src/main/java/com/biutag/lan/domain/bo/TodoQuery.java
@@ -27,7 +27,7 @@ public class TodoQuery {
 
     private String mailCategory;
 
-    private String handlingDeptName;
+    private String threeDeptName;
 
     private String flowKey;
 
diff --git a/mailbox-lan/src/main/java/com/biutag/lan/enums/MailCategory.java b/mailbox-lan/src/main/java/com/biutag/lan/enums/MailCategory.java
new file mode 100644
index 0000000..c2e45ca
--- /dev/null
+++ b/mailbox-lan/src/main/java/com/biutag/lan/enums/MailCategory.java
@@ -0,0 +1,17 @@
+package com.biutag.lan.enums;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+@AllArgsConstructor
+@Getter
+public enum MailCategory {
+
+    COMPLAINT("投诉类"),
+    CONSULTATION_AND_ASSISTANCE("咨询求助类"),
+    WORK_SUGGESTIONS("工作建议类"),
+    INVALID("无效类"),
+    TERMINATION("终止类");
+
+    private String name;
+}
diff --git a/mailbox-lan/src/main/java/com/biutag/lan/flow/node/FirstSignFlow.java b/mailbox-lan/src/main/java/com/biutag/lan/flow/node/FirstSignFlow.java
index c48dbc6..daded42 100644
--- a/mailbox-lan/src/main/java/com/biutag/lan/flow/node/FirstSignFlow.java
+++ b/mailbox-lan/src/main/java/com/biutag/lan/flow/node/FirstSignFlow.java
@@ -7,6 +7,7 @@ import com.biutag.lan.domain.Mail;
 import com.biutag.lan.domain.MailMark;
 import com.biutag.lan.domain.MailSource;
 import com.biutag.lan.domain.Work;
+import com.biutag.lan.enums.MailCategory;
 import com.biutag.lan.enums.MailState;
 import com.biutag.lan.flow.Flow;
 import com.biutag.lan.service.MailMarkService;
@@ -16,6 +17,7 @@ import com.biutag.lan.service.WorkService;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Component;
 import org.springframework.transaction.annotation.Transactional;
+import org.springframework.util.Assert;
 
 import java.time.LocalDateTime;
 import java.util.Collections;
@@ -37,13 +39,23 @@ public class FirstSignFlow extends Flow {
     @Override
     @Transactional(rollbackFor = Exception.class)
     public Flow next(String nextActionKey, String mailId, JSONObject data) {
-        String empNo = AdminThreadLocal.getEmpNo();
+        String mailFirstCategory = data.getString("mailFirstCategory");
+        Assert.hasText(mailFirstCategory, "参数错误");
+        if (mailFirstCategory.equals(MailCategory.INVALID.getName()) ||
+                mailFirstCategory.equals(MailCategory.TERMINATION.getName())) {
+            throw new BusinessException("参数错误");
+        }
+        if (mailFirstCategory.equals(MailCategory.CONSULTATION_AND_ASSISTANCE.getName()) ||
+                mailFirstCategory.equals(MailCategory.WORK_SUGGESTIONS.getName())) {
+            Assert.notNull(data.getBoolean("simpleFlowFlag"), "参数错误");
+        }
         Integer roleId = AdminThreadLocal.getRoleIds().get(0);
         Integer deptId = AdminThreadLocal.getDeptId();
         Work work = workService.getxByUnSign(mailId, roleId ,deptId);
         if (work == null) {
             throw new BusinessException("该信件已被其他人签收");
         }
+        String empNo = AdminThreadLocal.getEmpNo();
         // 更新我的工作
         work.setPoliceEmpNo(empNo)
                 .setUpdateTime(LocalDateTime.now());
@@ -53,7 +65,7 @@ public class FirstSignFlow extends Flow {
                 .setSignFlag(true);
         mailSourceService.updateById(mailSource);
         Flow nextNode = next.get(nextActionKey);
-        String mailFirstCategory = data.getString("mailFirstCategory");
+
         String mailSecondCategory = data.getString("mailSecondCategory");
         String mailThreeCategory = data.getString("mailThreeCategory");
         String mailCategory = data.getString("mailCategory");
@@ -65,6 +77,7 @@ public class FirstSignFlow extends Flow {
                 .setMailThreeCategory(mailThreeCategory)
                 .setMailCategory(mailCategory)
                 .setMailLevel(data.getString("mailLevel"))
+                .setSimpleFlowFlag(data.getBoolean("simpleFlowFlag"))
                 .setFlowKey(nextNode.getFlowNode().getKey())
                 .setFlowBeforeName(nextNode.getFlowNode().getBeforeName())
                 .setFlowLimitedLastHandlerTime(mailSource.getCreateTime());
diff --git a/mailbox-lan/src/main/java/com/biutag/lan/service/WorkService.java b/mailbox-lan/src/main/java/com/biutag/lan/service/WorkService.java
index d52938f..cc03f4e 100644
--- a/mailbox-lan/src/main/java/com/biutag/lan/service/WorkService.java
+++ b/mailbox-lan/src/main/java/com/biutag/lan/service/WorkService.java
@@ -114,7 +114,7 @@ public class WorkService extends ServiceImpl<WorkMapper, Work> {
                 .eq(StrUtil.isNotBlank(todoQuery.getSource()), "m.source", todoQuery.getSource())
                 .eq(StrUtil.isNotBlank(todoQuery.getMailLevel()), "m.mail_level", todoQuery.getMailLevel())
                 .eq(StrUtil.isNotBlank(todoQuery.getMailCategory()), "m.mail_category", todoQuery.getMailCategory())
-                .like(StrUtil.isNotBlank(todoQuery.getHandlingDeptName()), "m.handling_dept_name", todoQuery.getHandlingDeptName())
+                .like(StrUtil.isNotBlank(todoQuery.getThreeDeptName()), "m.three_dept_name", todoQuery.getThreeDeptName())
                 .eq(StrUtil.isNotBlank(todoQuery.getFlowKey()), "m.flow_key", todoQuery.getFlowKey());
         Integer roleId = AdminThreadLocal.getRoleId();
         // 与角色相关的件