diff --git a/ui/src/components/global/markdown-editor/MdEditorMagnify.vue b/ui/src/components/global/markdown-editor/MdEditorMagnify.vue
index e33f3ee3f0d..5d3c6d82e4c 100644
--- a/ui/src/components/global/markdown-editor/MdEditorMagnify.vue
+++ b/ui/src/components/global/markdown-editor/MdEditorMagnify.vue
@@ -74,12 +74,4 @@ async function submitEditorDialog() {
   </MkDialog>
 </template>
 
-<style scoped lang="scss">
-/* 可编辑区域铺满输入区，让空白位置也能按点击位置落光标。 */
-.magnify-dialog-editor,
-.magnify-md-editor {
-  :deep(.cm-content) {
-    min-height: 100% !important;
-  }
-}
-</style>
+<style scoped lang="scss"></style>
diff --git a/ui/src/components/global/markdown-editor/md-editor.scss b/ui/src/components/global/markdown-editor/md-editor.scss
index ec6758ab11b..399706b976c 100644
--- a/ui/src/components/global/markdown-editor/md-editor.scss
+++ b/ui/src/components/global/markdown-editor/md-editor.scss
@@ -17,7 +17,7 @@
     margin-block: 0 !important;
     margin-inline: 11px !important;
     padding: 5px 0 !important;
-    min-height: auto !important;
+    min-height: 100% !important;
   }
   .cm-line {
     padding: 0 !important;