diff --git a/packages/fineui/src/core/func/array.js b/packages/fineui/src/core/func/array.js
index 98f7d3703..76ce2a132 100644
--- a/packages/fineui/src/core/func/array.js
+++ b/packages/fineui/src/core/func/array.js
@@ -7,7 +7,7 @@ export function pushArray(sArray, array) {
 }
 
 export function pushDistinct(sArray, obj) {
-    if (sArray.indexOf(obj) !== -1) {
+    if (sArray.indexOf(obj) === -1) {
         sArray.push(obj);
     }
 }