diff --git a/mayfly_go_web/src/assets/icon/mongo.png b/mayfly_go_web/src/assets/icon/mongo.png
new file mode 100644
index 00000000..0288ee5f
Binary files /dev/null and b/mayfly_go_web/src/assets/icon/mongo.png differ
diff --git a/mayfly_go_web/src/assets/icon/mysql.png b/mayfly_go_web/src/assets/icon/mysql.png
new file mode 100644
index 00000000..7caeeed5
Binary files /dev/null and b/mayfly_go_web/src/assets/icon/mysql.png differ
diff --git a/mayfly_go_web/src/assets/icon/postgres.png b/mayfly_go_web/src/assets/icon/postgres.png
new file mode 100644
index 00000000..4db23760
Binary files /dev/null and b/mayfly_go_web/src/assets/icon/postgres.png differ
diff --git a/mayfly_go_web/src/assets/icon/redis.png b/mayfly_go_web/src/assets/icon/redis.png
new file mode 100644
index 00000000..0a26f9e0
Binary files /dev/null and b/mayfly_go_web/src/assets/icon/redis.png differ
diff --git a/mayfly_go_web/src/theme/app.scss b/mayfly_go_web/src/theme/app.scss
index 1bce375d..82a04976 100644
--- a/mayfly_go_web/src/theme/app.scss
+++ b/mayfly_go_web/src/theme/app.scss
@@ -342,6 +342,7 @@ body,
     font-size: 12px
 }
 
+// 图标垂直居中
 .icon-middle {
     .el-icon {
         display: inline-flex;
@@ -350,4 +351,13 @@ body,
         cursor: pointer;
         vertical-align: middle;
     }
+}
+.img-icon {
+    display: inline-flex;
+    justify-content: center;
+    align-items: center;
+    cursor: pointer;
+    vertical-align: middle;
+    height: 16px;
+    width: 16px;
 }
\ No newline at end of file
diff --git a/mayfly_go_web/src/views/ops/db/SqlExec.vue b/mayfly_go_web/src/views/ops/db/SqlExec.vue
index 4ef39b2e..f8c47980 100644
--- a/mayfly_go_web/src/views/ops/db/SqlExec.vue
+++ b/mayfly_go_web/src/views/ops/db/SqlExec.vue
@@ -28,7 +28,12 @@
                         <span v-if="data.type == NodeType.DbInst">
                             <el-popover placement="right-start" title="数据库实例信息" trigger="hover" :width="210">
                                 <template #reference>
-                                    <el-icon>
+                                    <img v-if="data.params.type === 'mysql'" src="@/assets/icon/mysql.png"
+                                        class="img-icon" />
+                                    <img v-if="data.params.type === 'postgres'" src="@/assets/icon/postgres.png"
+                                        class="img-icon" />
+
+                                    <el-icon v-else>
                                         <InfoFilled />
                                     </el-icon>
                                 </template>
@@ -64,8 +69,6 @@
                         <el-icon v-if="data.type == NodeType.SqlMenu || data.type == NodeType.Sql">
                             <Files color="#f56c6c" />
                         </el-icon>
-
-
                     </template>
                 </tag-tree>
             </el-col>
diff --git a/mayfly_go_web/src/views/ops/machine/SshTerminal.vue b/mayfly_go_web/src/views/ops/machine/SshTerminal.vue
index 7824f8dc..5c0c8262 100644
--- a/mayfly_go_web/src/views/ops/machine/SshTerminal.vue
+++ b/mayfly_go_web/src/views/ops/machine/SshTerminal.vue
@@ -1,5 +1,5 @@
 <template>
-    <div :style="{ height: height }" id="xterm" class="xterm" />
+    <div :style="{ height: props.height }" id="xterm" class="xterm" />
 </template>
 
 <script lang="ts" setup>
@@ -9,40 +9,31 @@ import { FitAddon } from 'xterm-addon-fit';
 import { getSession } from '@/common/utils/storage.ts';
 import config from '@/common/config';
 import { useStore } from '@/store/index.ts';
-import { nextTick, toRefs, watch, computed, reactive, onMounted, onBeforeUnmount } from 'vue';
+import { nextTick, computed, reactive, onMounted, onBeforeUnmount } from 'vue';
 
 const props = defineProps({
     machineId: { type: Number },
     cmd: { type: String },
-    height: { type: String },
+    height: { type: [String, Number] },
 })
 
 const state = reactive({
-    machineId: 0,
     cmd: '',
-    height: '',
     term: null as any,
     socket: null as any,
 });
 
-const {
-    height,
-} = toRefs(state)
-
 const resize = 1;
 const data = 2;
 const ping = 3;
 
-watch(props, (newValue: any) => {
-    state.machineId = newValue.machineId;
-    state.cmd = newValue.cmd;
-    state.height = newValue.height;
-});
-
 onMounted(() => {
-    state.machineId = props.machineId as any;
-    state.height = props.height as any;
     state.cmd = props.cmd as any;
+
+    nextTick(() => {
+        initXterm();
+        initSocket();
+    });
 });
 
 onBeforeUnmount(() => {
@@ -56,11 +47,6 @@ const getThemeConfig: any = computed(() => {
     return store.state.themeConfig.themeConfig;
 });
 
-nextTick(() => {
-    initXterm();
-    initSocket();
-});
-
 function initXterm() {
     const term: any = new Terminal({
         fontSize: getThemeConfig.value.terminalFontSize || 15,
@@ -122,7 +108,7 @@ function initXterm() {
 let pingInterval: any;
 function initSocket() {
     state.socket = new WebSocket(
-        `${config.baseWsUrl}/machines/${state.machineId}/terminal?token=${getSession('token')}&cols=${state.term.cols}&rows=${state.term.rows
+        `${config.baseWsUrl}/machines/${props.machineId}/terminal?token=${getSession('token')}&cols=${state.term.cols}&rows=${state.term.rows
         }`
     );
 
@@ -189,4 +175,11 @@ function closeAll() {
         state.term = null;
     }
 }
-</script>
\ No newline at end of file
+</script>
+<style lang="scss">
+#xterm {
+    .xterm-viewport {
+        overflow-y: hidden
+    }
+}
+</style>
diff --git a/mayfly_go_web/src/views/ops/machine/SshTerminalPage.vue b/mayfly_go_web/src/views/ops/machine/SshTerminalPage.vue
index 749d8db9..1e2db757 100644
--- a/mayfly_go_web/src/views/ops/machine/SshTerminalPage.vue
+++ b/mayfly_go_web/src/views/ops/machine/SshTerminalPage.vue
@@ -12,7 +12,7 @@ import { useRoute } from 'vue-router';
 const route = useRoute();
 const state = reactive({
     machineId: 0,
-    height: 700,
+    height: 0,
 });
 
 const {
diff --git a/mayfly_go_web/src/views/ops/mongo/MongoDataOp.vue b/mayfly_go_web/src/views/ops/mongo/MongoDataOp.vue
index 779d7d51..6a50eb6f 100644
--- a/mayfly_go_web/src/views/ops/mongo/MongoDataOp.vue
+++ b/mayfly_go_web/src/views/ops/mongo/MongoDataOp.vue
@@ -7,9 +7,7 @@
                         <span v-if="data.type == NodeType.Mongo">
                             <el-popover placement="right-start" title="mongo实例信息" trigger="hover" :width="210">
                                 <template #reference>
-                                    <el-icon>
-                                        <InfoFilled />
-                                    </el-icon>
+                                    <img src="@/assets/icon/mongo.png" class="img-icon" />
                                 </template>
                                 <template #default>
                                     <el-form class="instances-pop-form" label-width="50px" :size="'small'">
diff --git a/mayfly_go_web/src/views/ops/redis/DataOperation.vue b/mayfly_go_web/src/views/ops/redis/DataOperation.vue
index 42d27068..37eaef56 100644
--- a/mayfly_go_web/src/views/ops/redis/DataOperation.vue
+++ b/mayfly_go_web/src/views/ops/redis/DataOperation.vue
@@ -9,9 +9,7 @@
                                 <span v-if="data.type == NodeType.Redis">
                                     <el-popover placement="right-start" title="redis实例信息" trigger="hover" :width="210">
                                         <template #reference>
-                                            <el-icon>
-                                                <InfoFilled />
-                                            </el-icon>
+                                            <img src="@/assets/icon/redis.png" class="img-icon" />
                                         </template>
                                         <template #default>
                                             <el-form class="instances-pop-form" label-width="50px" :size="'small'">
@@ -129,7 +127,7 @@ import TagTree from '../component/TagTree.vue';
 /**
  * 树节点类型
  */
- class NodeType {
+class NodeType {
     static Redis = 1
     static Db = 2
 }
diff --git a/server/internal/db/application/db_sql_exec.go b/server/internal/db/application/db_sql_exec.go
index 21ed3556..0b77b704 100644
--- a/server/internal/db/application/db_sql_exec.go
+++ b/server/internal/db/application/db_sql_exec.go
@@ -162,7 +162,7 @@ func doSelect(selectStmt *sqlparser.Select, execSqlReq *DbSqlExecReq) (*DbSqlExe
 			biz.NotNil(limit, "请完善分页信息后执行")
 			count, err := strconv.Atoi(sqlparser.String(limit.Rowcount))
 			biz.ErrIsNil(err, "分页参数有误")
-			biz.IsTrue(count <= maxCount, fmt.Sprintf("查询结果集数需小于系统配置的%d条", maxCount))
+			biz.IsTrue(count <= maxCount, "查询结果集数需小于系统配置的%d条", maxCount)
 		}
 	}
 
diff --git a/server/internal/db/application/mysql_meta.go b/server/internal/db/application/mysql_meta.go
index fa27e2a3..aec7f13f 100644
--- a/server/internal/db/application/mysql_meta.go
+++ b/server/internal/db/application/mysql_meta.go
@@ -79,9 +79,7 @@ func (mm *MysqlMetadata) GetColumns(tableNames ...string) []map[string]interface
 // 获取表主键字段名，不存在主键标识则默认第一个字段
 func (mm *MysqlMetadata) GetPrimaryKey(tablename string) string {
 	columns := mm.GetColumns(tablename)
-	if len(columns) == 0 {
-		panic(biz.NewBizErr(fmt.Sprintf("[%s] 表不存在", tablename)))
-	}
+	biz.IsTrue(len(columns) > 0, "[%s] 表不存在", tablename)
 	for _, v := range columns {
 		if v["columnKey"].(string) == "PRI" {
 			return v["columnName"].(string)
diff --git a/server/internal/db/application/pgsql_meta.go b/server/internal/db/application/pgsql_meta.go
index 599392ce..c0559c07 100644
--- a/server/internal/db/application/pgsql_meta.go
+++ b/server/internal/db/application/pgsql_meta.go
@@ -118,9 +118,7 @@ func (pm *PgsqlMetadata) GetColumns(tableNames ...string) []map[string]interface
 
 func (pm *PgsqlMetadata) GetPrimaryKey(tablename string) string {
 	columns := pm.GetColumns(tablename)
-	if len(columns) == 0 {
-		panic(biz.NewBizErr(fmt.Sprintf("[%s] 表不存在", tablename)))
-	}
+	biz.IsTrue(len(columns) > 0, "[%s] 表不存在", tablename)
 	for _, v := range columns {
 		if v["columnKey"].(string) == "PRI" {
 			return v["columnName"].(string)
diff --git a/server/internal/machine/api/machine_script.go b/server/internal/machine/api/machine_script.go
index 3b7f7995..33b06622 100644
--- a/server/internal/machine/api/machine_script.go
+++ b/server/internal/machine/api/machine_script.go
@@ -70,9 +70,7 @@ func (m *MachineScript) RunMachineScript(rc *req.Ctx) {
 	res, err := cli.Run(script)
 	// 记录请求参数
 	rc.ReqParam = fmt.Sprintf("[machine: %s, scriptId: %d, name: %s]", cli.GetMachine().GetLogDesc(), scriptId, ms.Name)
-	if err != nil {
-		panic(biz.NewBizErr(fmt.Sprintf("执行命令失败：%s", err.Error())))
-	}
+	biz.ErrIsNilAppendErr(err, "执行命令失败：%s")
 	rc.ResData = res
 }
 
diff --git a/server/internal/tag/application/tag_tree.go b/server/internal/tag/application/tag_tree.go
index 8f05ffc5..e823cf6d 100644
--- a/server/internal/tag/application/tag_tree.go
+++ b/server/internal/tag/application/tag_tree.go
@@ -1,7 +1,6 @@
 package application
 
 import (
-	"fmt"
 	dbapp "mayfly-go/internal/db/application"
 	dbentity "mayfly-go/internal/db/domain/entity"
 	machineapp "mayfly-go/internal/machine/application"
@@ -85,9 +84,7 @@ func (p *tagTreeAppImpl) Save(tag *entity.TagTree) {
 		// 校验同级标签，是否有以该code为开头的标识符
 		p.tagTreeRepo.SelectByCondition(&entity.TagTreeQuery{Pid: tag.Pid}, &hasLikeTags)
 		for _, v := range hasLikeTags {
-			if strings.HasPrefix(tag.Code, v.Code) {
-				panic(biz.NewBizErr(fmt.Sprintf("同级标签下的[%s]与[%s]存在相似开头字符, 请修改该标识code", v.Code, tag.Code)))
-			}
+			biz.IsTrue(!strings.HasPrefix(tag.Code, v.Code), "同级标签下的[%s]与[%s]存在相似开头字符, 请修改该标识code", v.Code, tag.Code)
 		}
 		p.tagTreeRepo.Insert(tag)
 		return
diff --git a/server/mayfly-go.sql b/server/mayfly-go.sql
index aeabcc72..bf09a7c7 100644
--- a/server/mayfly-go.sql
+++ b/server/mayfly-go.sql
@@ -352,7 +352,7 @@ CREATE TABLE `t_sys_config` (
 BEGIN;
 INSERT INTO `t_sys_config` VALUES (1, '是否启用登录验证码', 'UseLoginCaptcha', NULL, '1', '1: 启用、0: 不启用', '2022-08-25 22:27:17', 1, 'admin', '2022-08-26 10:26:56', 1, 'admin');
 INSERT INTO `t_sys_config` VALUES (2, '是否启用水印', 'UseWartermark', NULL, '1', '1: 启用、0: 不启用', '2022-08-25 23:36:35', 1, 'admin', '2022-08-26 10:02:52', 1, 'admin');
-INSERT INTO `t_sys_config` VALUES (3, '数据库查询最大结果集', 'DbQueryMaxCount', '[]', '200', '允许sql查询的最大结果集数', '2023-02-11 14:29:03', 1, 'admin', '2023-02-11 14:40:56', 1, 'admin');
+INSERT INTO `t_sys_config` VALUES (3, '数据库查询最大结果集', 'DbQueryMaxCount', '[]', '200', '允许sql查询的最大结果集数。注: 0=不限制', '2023-02-11 14:29:03', 1, 'admin', '2023-02-11 14:40:56', 1, 'admin');
 INSERT INTO `t_sys_config` VALUES (4, '数据库是否记录查询SQL', 'DbSaveQuerySQL', '[]', '0', '1: 记录、0:不记录', '2023-02-11 16:07:14', 1, 'admin', '2023-02-11 16:44:17', 1, 'admin');
 COMMIT;
 
diff --git a/server/pkg/scheduler/scheduler.go b/server/pkg/scheduler/scheduler.go
index a848a7e2..da394b1b 100644
--- a/server/pkg/scheduler/scheduler.go
+++ b/server/pkg/scheduler/scheduler.go
@@ -30,8 +30,6 @@ func GetCron() *cron.Cron {
 
 func AddFun(spec string, cmd func()) cron.EntryID {
 	id, err := cronService.AddFunc(spec, cmd)
-	if err != nil {
-		panic(biz.NewBizErr("添加任务失败：" + err.Error()))
-	}
+	biz.ErrIsNilAppendErr(err, "添加任务失败: %s")
 	return id
 }