diff --git a/jero-web/src/views/businessSupport/regulationReport/components/modules/defaultTemplate.vue b/jero-web/src/views/businessSupport/regulationReport/components/modules/defaultTemplate.vue
index 3ccb0896f..d091d3d9b 100644
--- a/jero-web/src/views/businessSupport/regulationReport/components/modules/defaultTemplate.vue
+++ b/jero-web/src/views/businessSupport/regulationReport/components/modules/defaultTemplate.vue
@@ -15,7 +15,7 @@
           </a-form-model-item>
         </div>
       </a-col>
-      <a-col :span="12" style="text-align: right">
+      <a-col :span="12">
         <div class="box-title-text">
           <div class="title-text">
               <span class="title-text-text"
@@ -292,15 +292,15 @@
         rules: {
           titleCn: [
             {
-              max: 100,
-              message: this.$t('title') + this.$t('cannotExceed') + 100 + this.$t('Characters'),
+              max: 500,
+              message: this.$t('title') + this.$t('cannotExceed') + 500 + this.$t('Characters'),
               trigger: 'blur'
             }
           ],
           titleEn: [
             {
-              max: 100,
-              message: this.$t('englishTitle') + this.$t('cannotExceed') + 100 + this.$t('Characters'),
+              max: 500,
+              message: this.$t('englishTitle') + this.$t('cannotExceed') + 500 + this.$t('Characters'),
               trigger: 'blur'
             }
           ],
diff --git a/jero-web/src/views/regulatoryEarlyWarning/index.vue b/jero-web/src/views/regulatoryEarlyWarning/index.vue
index ecb9a4e6c..4156aceda 100644
--- a/jero-web/src/views/regulatoryEarlyWarning/index.vue
+++ b/jero-web/src/views/regulatoryEarlyWarning/index.vue
@@ -100,6 +100,7 @@
             title: this.$t('standard'),
             align: 'center',
             dataIndex: 'serial_number',
+            ellipsis: true,
             width: 170,
             scopedSlots: { customRender: 'serial_number' }
           },
@@ -107,6 +108,7 @@
             title: this.$t('title'),
             align: 'center',
             dataIndex: 'title',
+            ellipsis: true,
             width: 170,
             scopedSlots: { customRender: 'titleName' }
           },
@@ -182,11 +184,12 @@
         this.getList()
       })
     },
-    beforeDestroy(){
+    beforeDestroy() {
       eventBUs.$off('searchQuery')
     },
     methods: {
       callback(tab) {
+        this.selectedRowKeys = []
         this.activeTab = tab
         this.getList()
       },
@@ -203,22 +206,26 @@
         }
       },
       handleExport() {
-        let selectedRowKeys = JSON.parse(JSON.stringify(this.selectedRowKeys))
-        let text = ''
-        let flag
-        if (this.activeTab == this.$t('ImplementationDate')) {
-          flag = 0
-          text = this.$t('ImplementationDate')
+        if (this.selectedRowKeys && this.selectedRowKeys.length > 0) {
+          let selectedRowKeys = JSON.parse(JSON.stringify(this.selectedRowKeys))
+          let text = ''
+          let flag
+          if (this.activeTab == this.$t('ImplementationDate')) {
+            flag = 0
+            text = this.$t('ImplementationDate')
+          } else {
+            text = this.$t('vehicleInProductionDate')
+            flag = 1
+          }
+          let query = {
+            id: selectedRowKeys.join(','),
+            ...this.searchParmes,
+            flag: flag
+          }
+          downloadFile(this.url.exportData, text + '.xls', query, this.Deselect)
         } else {
-          text = this.$t('vehicleInProductionDate')
-          flag = 1
+          this.$message.warning(this.$t('selectLeastOne'))
         }
-        let query = {
-          id: selectedRowKeys.join(','),
-          ...this.searchParmes,
-          flag: flag
-        }
-        downloadFile(this.url.exportData, text + '.xls', query, this.Deselect)
       },
       Deselect() {
         this.selectedRowKeys = []
@@ -298,7 +305,7 @@
         this.pageNo = page
         this.getList()
       },
-      SizeChange(page,pageSize) {
+      SizeChange(page, pageSize) {
         this.pageNo = 1
         this.pageSize = pageSize
         this.getList()