diff --git a/nezha-fronted/src/components/common/language/cn.js b/nezha-fronted/src/components/common/language/cn.js
index 7ee027b35..acca604a0 100644
--- a/nezha-fronted/src/components/common/language/cn.js
+++ b/nezha-fronted/src/components/common/language/cn.js
@@ -556,7 +556,8 @@ const cn = {
     noAccess: '无访问权限',
     confirmDuplicate: '确认复制吗？',
     confirmCancel: '您所做的修改将不会被保存？',
-    copySuccess: '复制成功'
+    copySuccess: '复制成功',
+    lnglatError: '经纬度格式错误'
   },
   asset: {
     asset: '资产',
diff --git a/nezha-fronted/src/components/common/language/en.js b/nezha-fronted/src/components/common/language/en.js
index 55322d343..e44b4d342 100644
--- a/nezha-fronted/src/components/common/language/en.js
+++ b/nezha-fronted/src/components/common/language/en.js
@@ -563,7 +563,8 @@ const en = {
     noAccess: 'No access',
     confirmDuplicate: 'Are you sure to duplicate this chart?',
     confirmCancel: 'Changes you made are not saved?',
-    copySuccess: 'Copy success'
+    copySuccess: 'Copy success',
+    lnglatError: 'Wrong format of latitude and longitude'
   },
   asset: {
     asset: 'Asset ',
diff --git a/nezha-fronted/src/components/common/latlngPicker.vue b/nezha-fronted/src/components/common/latlngPicker.vue
index 74348981d..c8df0b41d 100644
--- a/nezha-fronted/src/components/common/latlngPicker.vue
+++ b/nezha-fronted/src/components/common/latlngPicker.vue
@@ -2,7 +2,7 @@
   <div class="latlng">
     <div class="input-box">
       <div class="input-box-item">
-        <el-input  v-model="lnglat" >
+        <el-input  v-model="lnglat" @change="setLatlng" @focus="oldlnglat = lnglat" @blur="changeLnglat">
           <template slot="prepend" v-if="showZoom">{{$t('config.system.basic.lnglat')}}</template>
         </el-input>
       </div>
@@ -35,6 +35,7 @@ export default {
   data () {
     return {
       lnglat: '',
+      oldlnglat: '',
       mapParam: { longitude: 116.39, latitude: 39.9, zoom: 4, minZoom: 1, maxZoom: 10 },
       map: null,
       marker: null,
@@ -49,6 +50,18 @@ export default {
     }
     this.lnglat = this.mapParam.longitude + ',' + this.mapParam.latitude
   },
+  watch: {
+    initData: {
+      handler () {
+        if (this.initData) {
+          this.mapParam = JSON.parse(JSON.stringify(this.initData))
+        } else {
+          this.queryDefaultMapConfig()
+        }
+        this.lnglat = this.mapParam.longitude + ',' + this.mapParam.latitude
+      }
+    }
+  },
   mounted () {
   },
   methods: {
@@ -123,6 +136,21 @@ export default {
         this.lnglat = this.mapParam.longitude + ',' + this.mapParam.latitude
       }
     },
+    changeLnglat () {
+      const lnglat = this.lnglat.split(',')
+      if (lnglat.length !== 2) {
+        this.lnglat = this.oldlnglat
+        this.$message.error(this.$t('tip.lnglatError'))
+        return false
+      }
+      const lngReg = /^[\-\+]?(0?\d{1,2}\.\d{1,5}|1[0-7]?\d{1}\.\d{1,5}|180\.0{1,5})$/
+      const latReg = /^[\-\+]?([0-8]?\d{1}\.\d{1,5}|90\.0{1,5})$/
+      if (!lngReg.test(lnglat[0]) || !latReg.test(lnglat[1])) {
+        this.lnglat = this.oldlnglat
+        this.$message.error(this.$t('tip.lnglatError'))
+        return false
+      }
+    },
     queryDefaultMapConfig: function () {
       this.$get('/sysConfig?paramKey=map_center_config').then(response => {
         if (response.code == 200) {
diff --git a/nezha-fronted/src/components/page/config/system.vue b/nezha-fronted/src/components/page/config/system.vue
index 72ccecb52..bd241a1ac 100644
--- a/nezha-fronted/src/components/page/config/system.vue
+++ b/nezha-fronted/src/components/page/config/system.vue
@@ -446,7 +446,6 @@ export default {
       this.$refs[formName].validate((valid) => {
         if (valid) {
           const param = Object.assign({}, this[type])
-
           if (type == 'basic') {
             const mapConfig = this.$refs.latlngPicker.getAttribute()
             param.map_center_config = JSON.stringify(mapConfig)