diff --git a/core/frontend/src/views/background/index.vue b/core/frontend/src/views/background/index.vue
index bd8b82f583..b9f024e800 100644
--- a/core/frontend/src/views/background/index.vue
+++ b/core/frontend/src/views/background/index.vue
@@ -300,7 +300,7 @@
               v-model="curComponent.style.showNum"
               :min="1"
               step-strictly
-              :max="10"
+              :max="50"
               controls-position="right"
               size="small"
             />