diff --git a/components/image-annotator.tsx b/components/image-annotator.tsx
index 715542b09..94322c21c 100644
--- a/components/image-annotator.tsx
+++ b/components/image-annotator.tsx
@@ -1757,7 +1757,7 @@ export function ImageAnnotator({
                   <PopoverContent
                     align="start"
                     side="top"
-                    className="w-[320px] rounded-[22px] border-border/60 bg-background/96 p-3 backdrop-blur-xl"
+                    className="z-[10020] w-[320px] rounded-[22px] border-border/60 bg-background/96 p-3 backdrop-blur-xl"
                   >
                     <div className="mb-2 text-xs font-medium text-muted-foreground">
                       选择画布比例