diff --git a/web/app/components/base/prompt-editor/plugins/component-picker-block/prompt-option.tsx b/web/app/components/base/prompt-editor/plugins/component-picker-block/prompt-option.tsx
index 55be7810a8..f1a4aff3c4 100644
--- a/web/app/components/base/prompt-editor/plugins/component-picker-block/prompt-option.tsx
+++ b/web/app/components/base/prompt-editor/plugins/component-picker-block/prompt-option.tsx
@@ -32,6 +32,10 @@ export const PromptMenuItem = memo(({
           return
         onMouseEnter()
       }}
+      onMouseDown={(e) => {
+        e.preventDefault()
+        e.stopPropagation()
+      }}
       onClick={() => {
         if (disabled)
           return