diff --git a/packages/sticky/index.ts b/packages/sticky/index.ts
index 0aca1cd2..6859ddde 100644
--- a/packages/sticky/index.ts
+++ b/packages/sticky/index.ts
@@ -108,7 +108,9 @@ VantComponent({
           return prev;
         }, {});
 
-        this.setData(diff);
+        if (Object.keys(diff).length > 0) {
+          this.setData(diff);
+        }
 
         this.$emit('scroll', {
           scrollTop: this.scrollTop,