选择宝贝为20个时无法取消

client/components/dialog/items-dialog/items-dialog.js

@@ -114,7 +114,12 @@ Component({
     },
     changeCheckStatus(e) {
       const { chooseId } = this.data;
-
+      const { item } = e.target.dataset;
+      if (chooseId.includes(item.itemId)) {
+        this.setData({
+          chooseId: chooseId.filter(v => v !== item.itemId),
+        });
+      } else {
         if (chooseId.length >= 20) {
           my.showToast({
             type: "fail",
@@ -122,13 +127,6 @@ Component({
           });
           return;
         }
-      const { item } = e.target.dataset;
-
-      if (chooseId.includes(item.itemId)) {
-        this.setData({
-          chooseId: chooseId.filter(v => v !== item.itemId),
-        });
-      } else {
         this.setData({
           chooseId: [...chooseId, item.itemId],
         });