diff --git a/mayfly_go_web/src/layout/navBars/breadcrumb/search.vue b/mayfly_go_web/src/layout/navBars/breadcrumb/search.vue
index f5ac4a33..25b1bb40 100644
--- a/mayfly_go_web/src/layout/navBars/breadcrumb/search.vue
+++ b/mayfly_go_web/src/layout/navBars/breadcrumb/search.vue
@@ -1,17 +1,22 @@
 <template>
     <div class="layout-search-dialog">
         <el-dialog v-model="state.isShowSearch" width="300px" destroy-on-close :modal="false" fullscreen :show-close="false">
-            <el-autocomplete v-model="state.menuQuery" :fetch-suggestions="menuSearch" placeholder="菜单搜索"
-                prefix-icon="el-icon-search" ref="layoutMenuAutocompleteRef" @select="onHandleSelect" @blur="onSearchBlur">
+            <el-autocomplete
+                v-model="state.menuQuery"
+                :fetch-suggestions="menuSearch"
+                placeholder="菜单搜索"
+                prefix-icon="el-icon-search"
+                ref="layoutMenuAutocompleteRef"
+                @select="onHandleSelect"
+                @blur="onSearchBlur"
+            >
                 <template #prefix>
                     <el-icon class="el-input__icon">
                         <search />
                     </el-icon>
                 </template>
                 <template #default="{ item }">
-                    <div>
-                        <SvgIcon :name="item.meta.icon" class="mr5" />{{ item.meta.title }}
-                    </div>
+                    <div><SvgIcon :name="item.meta.icon" class="mr5" />{{ item.meta.title }}</div>
                 </template>
             </el-autocomplete>
         </el-dialog>
@@ -23,7 +28,7 @@ import { reactive, ref, nextTick } from 'vue';
 import { useRouter } from 'vue-router';
 import { useRoutesList } from '@/store/routesList';
 
-const layoutMenuAutocompleteRef: any = ref(null);;
+const layoutMenuAutocompleteRef: any = ref(null);
 const router = useRouter();
 const state: any = reactive({
     isShowSearch: false,
@@ -54,8 +59,7 @@ const menuSearch = (queryString: any, cb: any) => {
 const createFilter = (queryString: any) => {
     return (restaurant: any) => {
         return (
-            restaurant.path.toLowerCase().indexOf(queryString.toLowerCase()) > -1 ||
-            restaurant.meta.title.toLowerCase().indexOf(queryString.toLowerCase()) > -1
+            restaurant.path.toLowerCase().indexOf(queryString.toLowerCase()) > -1 || restaurant.meta.title.toLowerCase().indexOf(queryString.toLowerCase()) > -1
         );
     };
 };
@@ -97,7 +101,7 @@ const onSearchBlur = () => {
     closeSearch();
 };
 
-defineExpose({openSearch})
+defineExpose({ openSearch });
 </script>
 
 <style scoped lang="scss">
diff --git a/mayfly_go_web/src/views/ops/db/InstanceEdit.vue b/mayfly_go_web/src/views/ops/db/InstanceEdit.vue
index 777538ba..549703b6 100644
--- a/mayfly_go_web/src/views/ops/db/InstanceEdit.vue
+++ b/mayfly_go_web/src/views/ops/db/InstanceEdit.vue
@@ -9,10 +9,14 @@
                         </el-form-item>
                         <el-form-item prop="type" label="类型" required>
                             <el-select @change="changeDbType" style="width: 100%" v-model="form.type" placeholder="请选择数据库类型">
-                                <el-option v-for="dt in dbTypes" :key="dt.type" :value="dt.type" :label="dt.label">
-                                    <SvgIcon :name="getDbDialect(dt.type).getInfo().icon" :size="18" />
-                                    {{ dt.label }}
+                                <el-option v-for="(dbTypeAndDialect, key) in getDbDialectMap()" :key="key" :value="dbTypeAndDialect[0]">
+                                    <SvgIcon :name="dbTypeAndDialect[1].getInfo().icon" :size="18" />
+                                    {{ dbTypeAndDialect[1].getInfo().name }}
                                 </el-option>
+
+                                <template #prefix>
+                                    <SvgIcon :name="getDbDialect(form.type).getInfo().icon" :size="18" />
+                                </template>
                             </el-select>
                         </el-form-item>
                         <el-form-item v-if="form.type !== DbType.sqlite" prop="host" label="host" required>
@@ -95,7 +99,7 @@ import { ElMessage } from 'element-plus';
 import { notBlank } from '@/common/assert';
 import { RsaEncrypt } from '@/common/rsa';
 import SshTunnelSelect from '../component/SshTunnelSelect.vue';
-import { DbType, getDbDialect } from './dialect';
+import { DbType, getDbDialect, getDbDialectMap } from './dialect';
 import SvgIcon from '@/components/svgIcon/index.vue';
 
 const props = defineProps({
@@ -153,37 +157,6 @@ const rules = {
 
 const dbForm: any = ref(null);
 
-const dbTypes = [
-    {
-        type: 'mysql',
-        label: 'MySQL',
-    },
-    {
-        type: 'mariadb',
-        label: 'MariaDB',
-    },
-    {
-        type: 'postgres',
-        label: 'PostgreSQL',
-    },
-    {
-        type: 'dm',
-        label: 'DM',
-    },
-    {
-        type: 'oracle',
-        label: 'Oracle',
-    },
-    {
-        type: 'sqlite',
-        label: 'Sqlite',
-    },
-    {
-        type: 'mssql',
-        label: 'MSSQL',
-    },
-];
-
 const state = reactive({
     dialogVisible: false,
     tabActiveName: 'basic',
@@ -222,7 +195,7 @@ watch(props, (newValue: any) => {
         state.form = { ...newValue.data };
         state.oldUserName = state.form.username;
     } else {
-        state.form = { port: null } as any;
+        state.form = { port: null, type: DbType.mysql } as any;
         state.oldUserName = null;
     }
 });
diff --git a/mayfly_go_web/src/views/ops/db/dialect/dm_dialect.ts b/mayfly_go_web/src/views/ops/db/dialect/dm_dialect.ts
index 8e449ec8..7b71c686 100644
--- a/mayfly_go_web/src/views/ops/db/dialect/dm_dialect.ts
+++ b/mayfly_go_web/src/views/ops/db/dialect/dm_dialect.ts
@@ -366,6 +366,7 @@ class DMDialect implements DbDialect {
         };
 
         dmDialectInfo = {
+            name: 'DM',
             icon: 'iconfont icon-db-dm',
             defaultPort: 5236,
             formatSqlDialect: 'plsql',
diff --git a/mayfly_go_web/src/views/ops/db/dialect/index.ts b/mayfly_go_web/src/views/ops/db/dialect/index.ts
index a2c0cb89..e8416c46 100644
--- a/mayfly_go_web/src/views/ops/db/dialect/index.ts
+++ b/mayfly_go_web/src/views/ops/db/dialect/index.ts
@@ -81,6 +81,11 @@ export const ColumnTypeSubscript = {
 
 // 数据库基础信息
 export interface DialectInfo {
+    /**
+     * 数据库类型label
+     */
+    name: string;
+
     /**
      * 图标
      */
@@ -200,33 +205,28 @@ export interface DbDialect {
 }
 
 let mysqlDialect = new MysqlDialect();
-let mariadbDialect = new MariadbDialect();
-let postgresDialect = new PostgresqlDialect();
-let dmDialect = new DMDialect();
-let oracleDialect = new OracleDialect();
-let sqliteDialect = new SqliteDialect();
-let mssqlDialect = new MssqlDialect();
 
-export const getDbDialect = (dbType: string | undefined): DbDialect => {
-    if (!dbType) {
-        return mysqlDialect;
-    }
-    switch (dbType) {
-        case DbType.mysql:
-            return mysqlDialect;
-        case DbType.mariadb:
-            return mariadbDialect;
-        case DbType.postgresql:
-            return postgresDialect;
-        case DbType.dm:
-            return dmDialect;
-        case DbType.oracle:
-            return oracleDialect;
-        case DbType.sqlite:
-            return sqliteDialect;
-        case DbType.mssql:
-            return mssqlDialect;
-        default:
-            throw new Error('不支持的数据库');
-    }
+let dbType2DialectMap: Map<string, DbDialect> = new Map();
+
+export const registerDbDialect = (dbType: string, dd: DbDialect) => {
+    dbType2DialectMap.set(dbType, dd);
 };
+
+export const getDbDialectMap = () => {
+    return dbType2DialectMap;
+};
+
+export const getDbDialect = (dbType: string): DbDialect => {
+    return dbType2DialectMap.get(dbType) || mysqlDialect;
+};
+
+(function () {
+    console.log('init register db dialect');
+    registerDbDialect(DbType.mysql, mysqlDialect);
+    registerDbDialect(DbType.mariadb, new MariadbDialect());
+    registerDbDialect(DbType.postgresql, new PostgresqlDialect());
+    registerDbDialect(DbType.dm, new DMDialect());
+    registerDbDialect(DbType.oracle, new OracleDialect());
+    registerDbDialect(DbType.sqlite, new SqliteDialect());
+    registerDbDialect(DbType.mssql, new MssqlDialect());
+})();
diff --git a/mayfly_go_web/src/views/ops/db/dialect/mariadb_dialect.ts b/mayfly_go_web/src/views/ops/db/dialect/mariadb_dialect.ts
index 872ad3b5..0079f986 100644
--- a/mayfly_go_web/src/views/ops/db/dialect/mariadb_dialect.ts
+++ b/mayfly_go_web/src/views/ops/db/dialect/mariadb_dialect.ts
@@ -12,6 +12,7 @@ class MariadbDialect extends MysqlDialect implements DbDialect {
 
         mariadbDialectInfo = {} as DialectInfo;
         Object.assign(mariadbDialectInfo, super.getInfo());
+        mariadbDialectInfo.name = 'MariaDB';
         mariadbDialectInfo.icon = 'iconfont icon-mariadb';
         return mariadbDialectInfo;
     }
diff --git a/mayfly_go_web/src/views/ops/db/dialect/mssql_dialect.ts b/mayfly_go_web/src/views/ops/db/dialect/mssql_dialect.ts
index 37b0c487..97611566 100644
--- a/mayfly_go_web/src/views/ops/db/dialect/mssql_dialect.ts
+++ b/mayfly_go_web/src/views/ops/db/dialect/mssql_dialect.ts
@@ -107,6 +107,7 @@ class MssqlDialect implements DbDialect {
         };
 
         mssqlDialectInfo = {
+            name: 'MSSQL',
             icon: 'iconfont icon-MSSQLNATIVE',
             defaultPort: 1433,
             formatSqlDialect: 'transactsql',
diff --git a/mayfly_go_web/src/views/ops/db/dialect/mysql_dialect.ts b/mayfly_go_web/src/views/ops/db/dialect/mysql_dialect.ts
index f770e63b..71287426 100644
--- a/mayfly_go_web/src/views/ops/db/dialect/mysql_dialect.ts
+++ b/mayfly_go_web/src/views/ops/db/dialect/mysql_dialect.ts
@@ -104,6 +104,7 @@ class MysqlDialect implements DbDialect {
         };
 
         mysqlDialectInfo = {
+            name: 'MySQL',
             icon: 'iconfont icon-op-mysql',
             defaultPort: 3306,
             formatSqlDialect: 'mysql',
diff --git a/mayfly_go_web/src/views/ops/db/dialect/oracle_dialect.ts b/mayfly_go_web/src/views/ops/db/dialect/oracle_dialect.ts
index f1c9ef30..3b586c37 100644
--- a/mayfly_go_web/src/views/ops/db/dialect/oracle_dialect.ts
+++ b/mayfly_go_web/src/views/ops/db/dialect/oracle_dialect.ts
@@ -154,6 +154,7 @@ class OracleDialect implements DbDialect {
         };
 
         oracleDialectInfo = {
+            name: 'Oracle',
             icon: 'iconfont icon-oracle',
             defaultPort: 1521,
             formatSqlDialect: 'plsql',
diff --git a/mayfly_go_web/src/views/ops/db/dialect/postgres_dialect.ts b/mayfly_go_web/src/views/ops/db/dialect/postgres_dialect.ts
index 03ceb913..9ea4f8cd 100644
--- a/mayfly_go_web/src/views/ops/db/dialect/postgres_dialect.ts
+++ b/mayfly_go_web/src/views/ops/db/dialect/postgres_dialect.ts
@@ -123,6 +123,7 @@ class PostgresqlDialect implements DbDialect {
         };
 
         pgDialectInfo = {
+            name: 'PostgreSQL',
             icon: 'iconfont icon-op-postgres',
             defaultPort: 5432,
             formatSqlDialect: 'postgresql',
diff --git a/mayfly_go_web/src/views/ops/db/dialect/sqlite_dialect.ts b/mayfly_go_web/src/views/ops/db/dialect/sqlite_dialect.ts
index 4f6853c9..b0a675dd 100644
--- a/mayfly_go_web/src/views/ops/db/dialect/sqlite_dialect.ts
+++ b/mayfly_go_web/src/views/ops/db/dialect/sqlite_dialect.ts
@@ -123,6 +123,7 @@ class SqliteDialect implements DbDialect {
         };
 
         sqliteDialectInfo = {
+            name: 'Sqlite',
             icon: 'iconfont icon-sqlite',
             defaultPort: 0,
             formatSqlDialect: 'sql',
diff --git a/server/internal/machine/mcm/machine.go b/server/internal/machine/mcm/machine.go
index c1e79ad8..f314be57 100644
--- a/server/internal/machine/mcm/machine.go
+++ b/server/internal/machine/mcm/machine.go
@@ -93,7 +93,10 @@ func (me *MachineInfo) IfUseSshTunnelChangeIpPort() error {
 func GetSshClient(m *MachineInfo, jumpClient *ssh.Client) (*ssh.Client, error) {
 	// 递归一直取到底层没有跳板机的机器信息
 	if m.SshTunnelMachine != nil {
-		jumpClient, _ = GetSshClient(m.SshTunnelMachine, jumpClient)
+		jumpClient, err := GetSshClient(m.SshTunnelMachine, jumpClient)
+		if err != nil {
+			return nil, err
+		}
 		// 新建一个没有跳板机的机器信息
 		m1 := &MachineInfo{
 			Ip:         m.Ip,