diff --git a/core/core-frontend/src/custom-component/v-query/Component.vue b/core/core-frontend/src/custom-component/v-query/Component.vue
index 31f883a9d5..0e425128f5 100644
--- a/core/core-frontend/src/custom-component/v-query/Component.vue
+++ b/core/core-frontend/src/custom-component/v-query/Component.vue
@@ -841,7 +841,6 @@ const autoStyle = computed(() => {
   .title {
     color: #1f2329;
     font-feature-settings: 'clig' off, 'liga' off;
-    font-family: var(--de-custom_font, 'PingFang');
     font-size: 14px;
     font-style: normal;
     font-weight: 500;
diff --git a/core/core-frontend/src/views/chart/components/editor/editor-style/VQueryChartStyle.vue b/core/core-frontend/src/views/chart/components/editor/editor-style/VQueryChartStyle.vue
index 7f3dbd1cda..b876469ab4 100644
--- a/core/core-frontend/src/views/chart/components/editor/editor-style/VQueryChartStyle.vue
+++ b/core/core-frontend/src/views/chart/components/editor/editor-style/VQueryChartStyle.vue
@@ -531,6 +531,7 @@ initParams()
                 <el-select
                   v-model="currentPlaceholder"
                   @change="handleCurrentPlaceholder"
+                  :effect="themes"
                   style="width: 100%"
                 >
                   <el-option