diff --git a/harmony_dialog/src/main/ets/dialog/DialogHelper.ets b/harmony_dialog/src/main/ets/dialog/DialogHelper.ets
index 82f947928d59f1dc869602f2490d242030568633..af57f23d3777bbccd6f5cfabb813447f5952fd89 100644
--- a/harmony_dialog/src/main/ets/dialog/DialogHelper.ets
+++ b/harmony_dialog/src/main/ets/dialog/DialogHelper.ets
@@ -580,7 +580,7 @@ export class DialogHelper {
     if (options.divider || DialogHelper.config.picker_divider) {
       options.divider = options.divider ?? DialogHelper.config.picker_divider; //设置所有选项中最上和最下两个选项的文本颜色、字号、字体粗细。
     }
-    options.canLoop = options.canLoop == undefined ?? DialogHelper.config.picker_canLoop; //设置是否可循环滚动
+    options.canLoop = options.canLoop ?? DialogHelper.config.picker_canLoop; //设置是否可循环滚动
     if (!options.primaryButton && !options.secondaryButton) {
       options.primaryButton = DialogHelper.config.primaryButton
       options.secondaryButton = DialogHelper.config.secondaryButton