diff --git a/src/main/java/net/geedge/asw/common/util/RCode.java b/src/main/java/net/geedge/asw/common/util/RCode.java
index 8563a2d..f2aed72 100644
--- a/src/main/java/net/geedge/asw/common/util/RCode.java
+++ b/src/main/java/net/geedge/asw/common/util/RCode.java
@@ -64,6 +64,7 @@ public enum RCode {
 	GIT_MERGE_FAILED(203002, "Merge failed"),
 	GIT_PARENT_COMMITID_NOT_FOUND(203003, "Parent commitId not found"),
 	GIT_BINARY_CONFLICT_ERROR(203004, "Binary file conflict found; resolve conflicts in binary files manually"),
+	GIT_MERGE_NOT_SUPPORTED(203005, "Cannot merge in the {0} state"),
 
 
 	// Runner
diff --git a/src/main/java/net/geedge/asw/module/app/controller/GitController.java b/src/main/java/net/geedge/asw/module/app/controller/GitController.java
index 55e6be5..58dfce8 100644
--- a/src/main/java/net/geedge/asw/module/app/controller/GitController.java
+++ b/src/main/java/net/geedge/asw/module/app/controller/GitController.java
@@ -8,6 +8,7 @@ import net.geedge.asw.common.util.T;
 import net.geedge.asw.module.app.entity.ApplicationMergeEntity;
 import net.geedge.asw.module.app.service.IApplicationMergeService;
 import net.geedge.asw.module.app.service.IGitService;
+import net.geedge.asw.module.app.service.impl.ApplicationMergeServiceImpl.MergeRequestStatus;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.*;
 
@@ -259,12 +260,18 @@ public class GitController {
     }
 
     @PutMapping("/{workspaceId}/mr/{mrId}")
-    public synchronized R mergeMr(@PathVariable("mrId") String mrId) {
-        ApplicationMergeEntity record = applicationMergeService.mergeMr(mrId);
-        if (T.StrUtil.equals("success", record.getStatus())) {
-            return R.ok().putData("record", record);
+    public synchronized R mergeMr(@PathVariable("mrId") String mrId, @RequestBody(required = false) Map<String, Object> body) {
+        String action = T.MapUtil.getStr(body, "action");
+        T.VerifyUtil.is(action).notEmpty(RCode.PARAM_CANNOT_EMPTY);
+
+        ApplicationMergeEntity record = applicationMergeService.mergeMr(mrId, action);
+        if(T.BooleanUtil.and(
+                T.ObjectUtil.equals("merge", action),
+                T.ObjectUtil.notEqual(MergeRequestStatus.MERGED.toString(), record.getStatus())
+        )){
+            return R.error(RCode.GIT_MERGE_FAILED).putData("record", record);
         }
-        return R.error(RCode.GIT_MERGE_FAILED).putData("record", record);
+        return R.ok().putData("record", record);
     }
 
 }
\ No newline at end of file
diff --git a/src/main/java/net/geedge/asw/module/app/service/IApplicationMergeService.java b/src/main/java/net/geedge/asw/module/app/service/IApplicationMergeService.java
index 74e4af9..13e515f 100644
--- a/src/main/java/net/geedge/asw/module/app/service/IApplicationMergeService.java
+++ b/src/main/java/net/geedge/asw/module/app/service/IApplicationMergeService.java
@@ -23,6 +23,6 @@ public interface IApplicationMergeService extends IService<ApplicationMergeEntit
 
     void resolveMrConflicts(String mrId, Map<String, Object> body);
 
-    ApplicationMergeEntity mergeMr(String mrId);
+    ApplicationMergeEntity mergeMr(String mrId, String action);
 
 }
diff --git a/src/main/java/net/geedge/asw/module/app/service/impl/ApplicationMergeServiceImpl.java b/src/main/java/net/geedge/asw/module/app/service/impl/ApplicationMergeServiceImpl.java
index f622a56..0dd18b2 100644
--- a/src/main/java/net/geedge/asw/module/app/service/impl/ApplicationMergeServiceImpl.java
+++ b/src/main/java/net/geedge/asw/module/app/service/impl/ApplicationMergeServiceImpl.java
@@ -1,11 +1,13 @@
 package net.geedge.asw.module.app.service.impl;
 
 import cn.dev33.satoken.stp.StpUtil;
+import cn.hutool.core.util.StrUtil;
 import cn.hutool.log.Log;
 import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
 import net.geedge.asw.common.config.Query;
+import net.geedge.asw.common.util.ASWException;
 import net.geedge.asw.common.util.RCode;
 import net.geedge.asw.common.util.T;
 import net.geedge.asw.module.app.dao.ApplicationMergeDao;
@@ -76,6 +78,9 @@ public class ApplicationMergeServiceImpl extends ServiceImpl<ApplicationMergeDao
         entity.setCreateTimestamp(System.currentTimeMillis());
         entity.setCreateUserId(StpUtil.getLoginIdAsString());
 
+        // 默认状态
+        entity.setStatus(MergeRequestStatus.OPEN.toString());
+
         // save
         this.save(entity);
 
@@ -209,49 +214,127 @@ public class ApplicationMergeServiceImpl extends ServiceImpl<ApplicationMergeDao
      * merge operation
      *
      * @param mrId
+     * @param action   merge|close
      * @return
      */
     @Override
-    public ApplicationMergeEntity mergeMr(String mrId) {
+    public ApplicationMergeEntity mergeMr(String mrId, String action) {
         ApplicationMergeEntity entity = this.getById(mrId);
         T.VerifyUtil.is(entity).notEmpty(RCode.SYS_RECORD_NOT_FOUND);
 
-        String srcBranch = entity.getSourceBranch();
-        String tgtBranch = entity.getTargetBranch();
+        switch (action) {
+            case "merge": {
+                MergeRequestStatus mergeRequestStatus = MergeRequestStatus.getInstance(entity.getStatus());
+                if (!mergeRequestStatus.canMerge()) {
+                    throw new ASWException(RCode.GIT_MERGE_NOT_SUPPORTED.setParam(mergeRequestStatus.toString()));
+                }
 
-        String message = entity.getTitle();
-        String workspaceId = entity.getWorkspaceId();
+                String srcBranch = entity.getSourceBranch();
+                String tgtBranch = entity.getTargetBranch();
 
-        // merge
-        try {
-            String commitId = gitService.mergeBranch(workspaceId, srcBranch, tgtBranch, message);
-            entity.setCommitId(commitId);
-            entity.setStatus("success");
-        } catch (Exception e) {
-            log.error(e, "[newMr] [merge error] [workspaceId: {}] [srcBranch: {}] [tgtBranch: {}] [msg: {}]", workspaceId, srcBranch, tgtBranch, e.getMessage());
-            entity.setCommitId("");
-            entity.setStatus("failed");
-            entity.setMessage(e.getMessage());
-        }
+                String message = entity.getTitle();
+                String workspaceId = entity.getWorkspaceId();
 
-        // remove source branch
-        if (1 == entity.getRemoveSourceBranch()) {
-            try {
-                log.info("[newMr] [remove source branch] [workspaceId: {}] [branch: {}]", workspaceId, srcBranch);
-                gitService.deleteBranch(workspaceId, srcBranch);
-            } catch (Exception e) {
-                log.error(e, "[newMr] [remove source branch error] [workspaceId: {}] [branch: {}] [msg: {}]", workspaceId, srcBranch, e.getMessage());
+                // merge
+                try {
+                    String commitId = gitService.mergeBranch(workspaceId, srcBranch, tgtBranch, message);
+                    entity.setCommitId(commitId);
+                    entity.setStatus(MergeRequestStatus.MERGED.toString());
+                } catch (Exception e) {
+                    log.error(e, "[newMr] [merge error] [workspaceId: {}] [srcBranch: {}] [tgtBranch: {}] [msg: {}]", workspaceId, srcBranch, tgtBranch, e.getMessage());
+                    entity.setCommitId("");
+                    entity.setStatus(MergeRequestStatus.FAILED.toString());
+                    entity.setMessage(e.getMessage());
+                }
+
+                // remove source branch
+                if (1 == entity.getRemoveSourceBranch()) {
+                    try {
+                        log.info("[newMr] [remove source branch] [workspaceId: {}] [branch: {}]", workspaceId, srcBranch);
+                        gitService.deleteBranch(workspaceId, srcBranch);
+                    } catch (Exception e) {
+                        log.error(e, "[newMr] [remove source branch error] [workspaceId: {}] [branch: {}] [msg: {}]", workspaceId, srcBranch, e.getMessage());
+                    }
+                }
+
+                // update
+                this.update(new LambdaUpdateWrapper<ApplicationMergeEntity>()
+                        .eq(ApplicationMergeEntity::getId, mrId)
+                        .set(ApplicationMergeEntity::getCommitId, entity.getCommitId())
+                        .set(ApplicationMergeEntity::getStatus, entity.getStatus())
+                        .set(ApplicationMergeEntity::getMessage, entity.getMessage())
+                );
+                return entity;
             }
-        }
+            case "close": {
+                String updateStatus = StrUtil.equals(MergeRequestStatus.OPEN.toString(), entity.getStatus()) ? MergeRequestStatus.CLOSED.toString() : entity.getStatus();
+                entity.setStatus(updateStatus);
 
-        // update
-        this.update(new LambdaUpdateWrapper<ApplicationMergeEntity>()
-                .eq(ApplicationMergeEntity::getId, mrId)
-                .set(ApplicationMergeEntity::getCommitId, entity.getCommitId())
-                .set(ApplicationMergeEntity::getStatus, entity.getStatus())
-                .set(ApplicationMergeEntity::getMessage, entity.getMessage())
-        );
+                this.update(new LambdaUpdateWrapper<ApplicationMergeEntity>()
+                        .eq(ApplicationMergeEntity::getId, mrId)
+                        .set(ApplicationMergeEntity::getStatus, updateStatus)
+                );
+                return entity;
+            }
+            default:
+                break;
+        }
         return entity;
     }
 
+
+    public static enum MergeRequestStatus {
+        OPEN {
+            // 默认状态
+            public String toString() {
+                return "open";
+            }
+            public boolean canMerge() {
+                return true;
+            }
+        },
+        MERGED {
+            // 合并成功
+            public String toString() {
+                return "merged";
+            }
+            public boolean canMerge() {
+                return false;
+            }
+        },
+        FAILED {
+            // 合并失败
+            public String toString() {
+                return "failed";
+            }
+
+            public boolean canMerge() {
+                return false;
+            }
+        },
+        CLOSED {
+            // 合并关闭
+            public String toString() {
+                return "closed";
+            }
+            public boolean canMerge() {
+                return false;
+            }
+        };
+
+        private MergeRequestStatus() {
+        }
+
+        public static MergeRequestStatus getInstance(String name) {
+            for (MergeRequestStatus v : values()) {
+                if (StrUtil.equalsIgnoreCase(v.name(), name)) {
+                    return v;
+                }
+            }
+            return null;
+        }
+
+        public abstract boolean canMerge();
+    }
+
 }
\ No newline at end of file
diff --git a/src/main/resources/db/migration/R__AZ_sys_i18n.sql b/src/main/resources/db/migration/R__AZ_sys_i18n.sql
index 75359b8..890005a 100644
--- a/src/main/resources/db/migration/R__AZ_sys_i18n.sql
+++ b/src/main/resources/db/migration/R__AZ_sys_i18n.sql
@@ -153,5 +153,7 @@ INSERT INTO `sys_i18n`(`id`, `name`, `code`, `value`, `lang`, `remark`, `update_
 INSERT INTO `sys_i18n`(`id`, `name`, `code`, `value`, `lang`, `remark`, `update_user_id`, `update_timestamp`) VALUES (245, '203003', 'GIT_PARENT_COMMITID_NOT_FOUND', '未找到 parent commitId', 'zh', '', 'admin', 1724030366000);
 INSERT INTO `sys_i18n`(`id`, `name`, `code`, `value`, `lang`, `remark`, `update_user_id`, `update_timestamp`) VALUES (246, '203004', 'GIT_BINARY_CONFLICT_ERROR', 'Binary file conflict found; resolve conflicts in binary files manually', 'en', '', 'admin', 1724030366000);
 INSERT INTO `sys_i18n`(`id`, `name`, `code`, `value`, `lang`, `remark`, `update_user_id`, `update_timestamp`) VALUES (247, '203004', 'GIT_BINARY_CONFLICT_ERROR', '发现二进制文件冲突；手动解决二进制文件中的冲突', 'zh', '', 'admin', 1724030366000);
+INSERT INTO `sys_i18n`(`id`, `name`, `code`, `value`, `lang`, `remark`, `update_user_id`, `update_timestamp`) VALUES (248, '203005', 'GIT_MERGE_NOT_SUPPORTED', 'Cannot merge in the {0} state', 'en', '', 'admin', 1724030366000);
+INSERT INTO `sys_i18n`(`id`, `name`, `code`, `value`, `lang`, `remark`, `update_user_id`, `update_timestamp`) VALUES (249, '203005', 'GIT_MERGE_NOT_SUPPORTED', '无法在{0}状态下合并', 'zh', '', 'admin', 1724030366000);
 
 SET FOREIGN_KEY_CHECKS = 1;
diff --git a/src/main/resources/db/migration/R__AZ_sys_menu.sql b/src/main/resources/db/migration/R__AZ_sys_menu.sql
index d6b8dff..32ce01a 100644
--- a/src/main/resources/db/migration/R__AZ_sys_menu.sql
+++ b/src/main/resources/db/migration/R__AZ_sys_menu.sql
@@ -21,6 +21,9 @@ INSERT INTO `sys_menu` (`id`, `name`, `i18n`, `pid`, `type`, `perms`, `route`, `
 INSERT INTO `sys_menu` (`id`, `name`, `i18n`, `pid`, `type`, `perms`, `route`, `icon`, `order`, `create_timestamp`, `state`) VALUES ('2011', 'branch_delete', 'buttons.delete', '2000', 'button', '', '', '', 11, 1722478572000, 1);
 INSERT INTO `sys_menu` (`id`, `name`, `i18n`, `pid`, `type`, `perms`, `route`, `icon`, `order`, `create_timestamp`, `state`) VALUES ('2012', 'mr_view', 'buttons.view', '2000', 'button', '', '', '', 12, 1722478572000, 1);
 INSERT INTO `sys_menu` (`id`, `name`, `i18n`, `pid`, `type`, `perms`, `route`, `icon`, `order`, `create_timestamp`, `state`) VALUES ('2013', 'mr_add', 'buttons.add', '2000', 'button', '', '', '', 13, 1722478572000, 1);
+INSERT INTO `sys_menu` (`id`, `name`, `i18n`, `pid`, `type`, `perms`, `route`, `icon`, `order`, `create_timestamp`, `state`) VALUES ('2014', 'mr_resolve_conflict', 'buttons.mr.resolve.conflict', '2000', 'button', '', '', '', 14, 1722478572000, 1);
+INSERT INTO `sys_menu` (`id`, `name`, `i18n`, `pid`, `type`, `perms`, `route`, `icon`, `order`, `create_timestamp`, `state`) VALUES ('2015', 'mr_merge', 'buttons.mr.merge', '2000', 'button', '', '', '', 15, 1722478572000, 1);
+INSERT INTO `sys_menu` (`id`, `name`, `i18n`, `pid`, `type`, `perms`, `route`, `icon`, `order`, `create_timestamp`, `state`) VALUES ('2016', 'mr_close_merge_request', 'buttons.mr.close.merge.request', '2000', 'button', '', '', '', 16, 1722478572000, 1);
 
 INSERT INTO `sys_menu` (`id`, `name`, `i18n`, `pid`, `type`, `perms`, `route`, `icon`, `order`, `create_timestamp`, `state`) VALUES ('3000', 'pcaps', 'overall.pcaps', '0', 'menu', '', '/pcaps', 'asw-icon icon-Pcaps', 2, 1722478572000, 1);
 INSERT INTO `sys_menu` (`id`, `name`, `i18n`, `pid`, `type`, `perms`, `route`, `icon`, `order`, `create_timestamp`, `state`) VALUES ('3001', 'pacp_view', 'buttons.view', '3000', 'button', '', '', '', 1, 1722478572000, 1);
diff --git a/src/main/resources/db/migration/R__AZ_sys_role_menu.sql b/src/main/resources/db/migration/R__AZ_sys_role_menu.sql
index 0124bef..129a6f3 100644
--- a/src/main/resources/db/migration/R__AZ_sys_role_menu.sql
+++ b/src/main/resources/db/migration/R__AZ_sys_role_menu.sql
@@ -24,6 +24,9 @@ INSERT INTO `sys_role_menu`(`role_id`, `menu_id`) VALUES ('owner', '2010');
 INSERT INTO `sys_role_menu`(`role_id`, `menu_id`) VALUES ('owner', '2011');
 INSERT INTO `sys_role_menu`(`role_id`, `menu_id`) VALUES ('owner', '2012');
 INSERT INTO `sys_role_menu`(`role_id`, `menu_id`) VALUES ('owner', '2013');
+INSERT INTO `sys_role_menu`(`role_id`, `menu_id`) VALUES ('owner', '2014');
+INSERT INTO `sys_role_menu`(`role_id`, `menu_id`) VALUES ('owner', '2015');
+INSERT INTO `sys_role_menu`(`role_id`, `menu_id`) VALUES ('owner', '2016');
 
 INSERT INTO `sys_role_menu`(`role_id`, `menu_id`) VALUES ('owner', '3000');
 INSERT INTO `sys_role_menu`(`role_id`, `menu_id`) VALUES ('owner', '3001');
@@ -89,6 +92,9 @@ INSERT INTO `sys_role_menu`(`role_id`, `menu_id`) VALUES ('maintainer', '2010');
 INSERT INTO `sys_role_menu`(`role_id`, `menu_id`) VALUES ('maintainer', '2011');
 INSERT INTO `sys_role_menu`(`role_id`, `menu_id`) VALUES ('maintainer', '2012');
 INSERT INTO `sys_role_menu`(`role_id`, `menu_id`) VALUES ('maintainer', '2013');
+INSERT INTO `sys_role_menu`(`role_id`, `menu_id`) VALUES ('maintainer', '2014');
+INSERT INTO `sys_role_menu`(`role_id`, `menu_id`) VALUES ('maintainer', '2015');
+INSERT INTO `sys_role_menu`(`role_id`, `menu_id`) VALUES ('maintainer', '2016');
 
 INSERT INTO `sys_role_menu`(`role_id`, `menu_id`) VALUES ('maintainer', '3000');
 INSERT INTO `sys_role_menu`(`role_id`, `menu_id`) VALUES ('maintainer', '3001');
@@ -147,6 +153,9 @@ INSERT INTO `sys_role_menu`(`role_id`, `menu_id`) VALUES ('developer', '2008');
 INSERT INTO `sys_role_menu`(`role_id`, `menu_id`) VALUES ('developer', '2010');
 INSERT INTO `sys_role_menu`(`role_id`, `menu_id`) VALUES ('developer', '2012');
 INSERT INTO `sys_role_menu`(`role_id`, `menu_id`) VALUES ('developer', '2013');
+INSERT INTO `sys_role_menu`(`role_id`, `menu_id`) VALUES ('developer', '2014');
+INSERT INTO `sys_role_menu`(`role_id`, `menu_id`) VALUES ('developer', '2015');
+INSERT INTO `sys_role_menu`(`role_id`, `menu_id`) VALUES ('developer', '2016');
 
 INSERT INTO `sys_role_menu`(`role_id`, `menu_id`) VALUES ('developer', '3000');
 INSERT INTO `sys_role_menu`(`role_id`, `menu_id`) VALUES ('developer', '3001');