diff --git a/packages/fineui/src/core/constant/writable.var.js b/packages/fineui/src/core/constant/writable.var.js
index 1de6b3a79..3bca927e5 100644
--- a/packages/fineui/src/core/constant/writable.var.js
+++ b/packages/fineui/src/core/constant/writable.var.js
@@ -130,7 +130,7 @@ const getCacheItem = key => {
 export let EVENT_BLUR = _global.localStorage ? getCacheItem("event.blur") : true;
 export const setEventBlur = v => {
     EVENT_BLUR = v;
-    Cache.setItem("event.blur", newVal);
+    Cache.setItem("event.blur", v);
 };
 PropertyDescriptors["EVENT_BLUR"] = {
     enumerable: true,