diff --git a/README.md b/README.md
index ef4e03b380..d1f25726d0 100644
--- a/README.md
+++ b/README.md
@@ -167,6 +167,11 @@ curl -sSL https://github.com/metersphere/metersphere/releases/latest/download/qu
 - 基础设施: [Docker](https://www.docker.com/), [Kubernetes](https://kubernetes.io/)
 - 测试引擎: [JMeter](https://jmeter.apache.org/)
 
+## 加入 MeterSphere 团队
+我们正在招聘 MeterSphere 技术布道师，一起打造开源明星项目，请发简历到 metersphere@fit2cloud.com
+
+点击查看 [岗位详情](https://www.zhipin.com/job_detail/b151c4b3d594688733Ny3dy1GFI~.html)
+
 ## 微信群
 
 ![wechat-group](https://metersphere.io/images/contact/wechat-group.png)
diff --git a/backend/src/main/java/io/metersphere/track/request/testcase/DragNodeRequest.java b/backend/src/main/java/io/metersphere/track/request/testcase/DragNodeRequest.java
index cfaedb31b1..992e7d2835 100644
--- a/backend/src/main/java/io/metersphere/track/request/testcase/DragNodeRequest.java
+++ b/backend/src/main/java/io/metersphere/track/request/testcase/DragNodeRequest.java
@@ -2,11 +2,13 @@ package io.metersphere.track.request.testcase;
 
 import io.metersphere.base.domain.TestCaseNode;
 import io.metersphere.track.dto.TestCaseNodeDTO;
-import lombok.Data;
+import lombok.Getter;
+import lombok.Setter;
 
 import java.util.List;
 
-@Data
+@Getter
+@Setter
 public class DragNodeRequest extends TestCaseNode {
 
     List<String> nodeIds;
diff --git a/frontend/src/business/components/settings/system/EmailSetting.vue b/frontend/src/business/components/settings/system/EmailSetting.vue
index 1854c41d6f..ef768436da 100644
--- a/frontend/src/business/components/settings/system/EmailSetting.vue
+++ b/frontend/src/business/components/settings/system/EmailSetting.vue
@@ -92,19 +92,22 @@
           host: [
             {
               required: true,
-              message: ''
+              message: this.$t('system_parameter_setting.host'),
+              trigger: ['change', 'blur']
             },
           ],
           port: [
             {
               required: true,
-              message: ' '
+              message: this.$t('system_parameter_setting.port'),
+              trigger: ['change', 'blur']
             }
           ],
           account: [
             {
               required: true,
-              message: ' '
+              message: this.$t('system_parameter_setting.account'),
+              trigger: ['change', 'blur']
             }]
         }
       }
diff --git a/frontend/src/business/components/settings/system/SystemParameterSetting.vue b/frontend/src/business/components/settings/system/SystemParameterSetting.vue
index 777de734ce..7211c79926 100644
--- a/frontend/src/business/components/settings/system/SystemParameterSetting.vue
+++ b/frontend/src/business/components/settings/system/SystemParameterSetting.vue
@@ -21,144 +21,7 @@
     },
     data() {
       return {
-        formInline: {
-          /*host: 'smtp.163.com',
-          port: '465',
-          account: 'xjj0608@163.com',
-          password: '2345678',*/
-        },
-
-        input: '',
-        visible: true,
-        result: {},
-        showEdit: true,
-        showSave: false,
-        showCancel: false,
-        show: true,
-        disabledConnection: false,
-        disabledSave: false,
-        loading: false,
-        activeName: 'email',
-        rules: {
-          host: [
-            {
-              required: true,
-              message: ' '
-            },
-          ],
-          port: [
-            {
-              required: true,
-              message: ' '
-            }
-          ],
-          account: [
-            {
-              required: true,
-              message: ' '
-            }]
-        }
-      }
-    },
-
-    activated() {
-      this.query()
-      this.change()
-    },
-    methods: {
-      changeType() {
-        this.$refs.input = 'password'
-      },
-      query() {
-        this.result = this.$get("/system/mail/info", response => {
-          this.$set(this.formInline, "host", response.data[0].paramValue);
-          this.$set(this.formInline, "port", response.data[1].paramValue);
-          this.$set(this.formInline, "account", response.data[2].paramValue);
-          this.$set(this.formInline, "password", response.data[3].paramValue);
-          if(response.data[4].paramValue!=""){
-            this.$set(this.formInline, "SSL", JSON.parse(response.data[4].paramValue));
-          }
-          if(response.data[5].paramValue!=""){
-            this.$set(this.formInline, "TLS", JSON.parse(response.data[5].paramValue));
-          }
-          if(response.data[6].paramValue!=""){
-            this.$set(this.formInline, "SMTP", JSON.parse(response.data[6].paramValue));
-          }
-        })
-      },
-      change() {
-        if (!this.formInline.host || !this.formInline.port || !this.formInline.account) {
-          this.disabledConnection = true;
-          this.disabledSave = true;
-        } else {
-          this.disabledConnection = false;
-          this.disabledSave = false;
-        }
-      },
-      testConnection(formInline) {
-        let param = {
-          "smtp.server": this.formInline.host,
-          "smtp.port": this.formInline.port,
-          "smtp.account": this.formInline.account,
-          "smtp.password": this.formInline.password,
-          "smtp.ssl": this.formInline.SSL,
-          "smtp.tls": this.formInline.TLS,
-          "smtp.smtp": this.formInline.SMTP,
-        };
-        this.$refs[formInline].validate((valid) => {
-          if (valid) {
-            this.result = this.$post("/system/testConnection", param, response => {
-              this.$success(this.$t('commons.connection_successful'));
-            })
-          } else {
-            return false;
-          }
-        })
-      },
-      edit() {
-        this.change()
-        this.showEdit = false;
-        this.showSave = true;
-        this.showCancel = true;
-        this.show = false;
-      },
-      save(formInline) {
-        this.showEdit = true;
-        this.showCancel = false;
-        this.showSave = false;
-        this.show = true;
-        let param = [
-          {paramKey: "smtp.host", paramValue: this.formInline.host, type: "text", sort: 1},
-          {paramKey: "smtp.port", paramValue: this.formInline.port, type: "text", sort: 2},
-          {paramKey: "smtp.account", paramValue: this.formInline.account, type: "text", sort: 3},
-          {paramKey: "smtp.password", paramValue: this.formInline.password, type: "password", sort: 4},
-          {paramKey: "smtp.ssl", paramValue: this.formInline.SSL, type: "text", sort: 5},
-          {paramKey: "smtp.tls", paramValue: this.formInline.TLS, type: "text", sort: 6},
-          {paramKey: "smtp.smtp", paramValue: this.formInline.SMTP, type: "text", sort: 7}
-        ]
-
-        this.$refs[formInline].validate(valid => {
-          if (valid) {
-            this.result = this.$post("/system/edit/email", param, response => {
-              let flag = response.success;
-              if (flag) {
-                this.$success(this.$t('commons.save_success'));
-              } else {
-                this.$message.error(this.$t('commons.save_failed'));
-              }
-            });
-          } else {
-            return false;
-          }
-        })
-      },
-      cancel() {
-        this.query();
-        this.showEdit = true;
-        this.showCancel = false;
-        this.showSave = false;
-        this.show = true;
-        this.change()
+        activeName: 'email'
       }
     }
   }
diff --git a/frontend/src/business/components/track/case/components/TestCaseList.vue b/frontend/src/business/components/track/case/components/TestCaseList.vue
index 3d1a8a88fc..a9fbacec65 100644
--- a/frontend/src/business/components/track/case/components/TestCaseList.vue
+++ b/frontend/src/business/components/track/case/components/TestCaseList.vue
@@ -40,6 +40,7 @@
           type="selection"/>
         <el-table-column
           prop="num"
+          sortable="custom"
           :label="$t('commons.id')"
           show-overflow-tooltip>
         </el-table-column>
@@ -315,6 +316,10 @@
         this.initTableData();
       },
       sort(column) {
+        // 每次只对一个字段排序
+        if (this.condition.orders) {
+          this.condition.orders = [];
+        }
         _sort(column, this.condition);
         this.initTableData();
       }
diff --git a/frontend/src/i18n/en-US.js b/frontend/src/i18n/en-US.js
index 5126514bbc..3ec9362af9 100644
--- a/frontend/src/i18n/en-US.js
+++ b/frontend/src/i18n/en-US.js
@@ -630,6 +630,9 @@ export default {
     SSL: 'Turn on SSL (if the SMTP port is 465, you usually need to enable SSL)',
     TLS: 'Turn on TLS (if the SMTP port is 587, you usually need to enable TLS)',
     SMTP: 'Anonymous SMTP or not',
+    host: 'Host number cannot be empty',
+    port: 'Port cannot be empty',
+    account: 'Account cannot be empty',
 
   },
   i18n: {
diff --git a/frontend/src/i18n/zh-CN.js b/frontend/src/i18n/zh-CN.js
index c942c3513e..92ea64475b 100644
--- a/frontend/src/i18n/zh-CN.js
+++ b/frontend/src/i18n/zh-CN.js
@@ -629,6 +629,9 @@ export default {
     SSL: '开启SSL(如果SMTP端口是465，通常需要启用SSL)',
     TLS: '开启TLS(如果SMTP端口是587，通常需要启用TLS)',
     SMTP: '是否匿名 SMTP',
+    host: '主机号不能为空',
+    port: '端口号不能为空',
+    account: '账户不能为空',
   },
   i18n: {
     home: '首页'
diff --git a/frontend/src/i18n/zh-TW.js b/frontend/src/i18n/zh-TW.js
index 38968867e8..7b0272d142 100644
--- a/frontend/src/i18n/zh-TW.js
+++ b/frontend/src/i18n/zh-TW.js
@@ -629,6 +629,9 @@ export default {
     SSL: '開啟SSL（如果SMTP埠是465，通常需要啟用SSL）',
     TLS: '開啟TLS（如果SMTP埠是587，通常需要啟用TLS）',
     SMTP: '是否匿名 SMTP',
+    host: '主機號不能為空',
+    port: '埠號不能為空',
+    account: '帳戶不能為空',
   },
   i18n: {
     home: '首頁'