diff --git a/core/core-frontend/src/custom-component/rich-text/DeRichTextView.vue b/core/core-frontend/src/custom-component/rich-text/DeRichTextView.vue
index 2aad46016d..cd94a4fae8 100644
--- a/core/core-frontend/src/custom-component/rich-text/DeRichTextView.vue
+++ b/core/core-frontend/src/custom-component/rich-text/DeRichTextView.vue
@@ -8,7 +8,6 @@
     @click="onClick"
     :style="richTextStyle"
   >
-    ---language=={{ language }}
     <chart-error v-if="isError" :err-msg="errMsg" />
     <Editor
       v-if="editShow && !isError"
diff --git a/core/core-frontend/src/views/dashboard/index.vue b/core/core-frontend/src/views/dashboard/index.vue
index 3fe1c0fdad..85db8b458c 100644
--- a/core/core-frontend/src/views/dashboard/index.vue
+++ b/core/core-frontend/src/views/dashboard/index.vue
@@ -181,6 +181,7 @@ const initLocalCanvasData = callBack => {
   )
 }
 onMounted(async () => {
+  document.body.style.overflow = 'hidden'
   dvMainStore.setCurComponent({ component: null, index: null })
   dvMainStore.setHiddenListStatus(false)
   snapshotStore.initSnapShot()
@@ -318,6 +319,7 @@ const doRecoverToPublished = () => {
 }
 
 onUnmounted(() => {
+  document.body.style.overflow = ''
   window.removeEventListener('storage', eventCheck)
   window.removeEventListener('message', winMsgHandle)
 })
diff --git a/core/core-frontend/src/views/data-visualization/index.vue b/core/core-frontend/src/views/data-visualization/index.vue
index 861ceeec41..90b4170003 100644
--- a/core/core-frontend/src/views/data-visualization/index.vue
+++ b/core/core-frontend/src/views/data-visualization/index.vue
@@ -377,6 +377,7 @@ const newWindowFromDiv = ref(false)
 let p = null
 const XpackLoaded = () => p(true)
 onMounted(async () => {
+  document.body.style.overflow = 'hidden'
   dvMainStore.setCurComponent({ component: null, index: null })
   snapshotStore.initSnapShot()
   if (window.location.hash.includes('#/dvCanvas')) {
@@ -466,6 +467,7 @@ onMounted(async () => {
 })
 
 onUnmounted(() => {
+  document.body.style.overflow = ''
   window.removeEventListener('storage', eventCheck)
   window.removeEventListener('blur', releaseAttachKey)
   eventBus.off('handleNew', handleNew)
@@ -688,9 +690,6 @@ eventBus.on('tabSort', tabSort)
 </template>
 
 <style lang="less">
-body {
-  overflow: hidden;
-}
 .preview-layout-container {
 }