diff --git a/doc/treeselect/CheckboxDoc.vue b/doc/treeselect/CheckboxDoc.vue
index 1cc9a6a95..fcdbc64e6 100644
--- a/doc/treeselect/CheckboxDoc.vue
+++ b/doc/treeselect/CheckboxDoc.vue
@@ -28,7 +28,8 @@ export default {
         partialChecked: false,
         checked: true
     }
-}`
+}
+`
             },
             code: {
                 basic: `
diff --git a/doc/treeselect/MultipleDoc.vue b/doc/treeselect/MultipleDoc.vue
index fbcd1112c..6b2f54628 100644
--- a/doc/treeselect/MultipleDoc.vue
+++ b/doc/treeselect/MultipleDoc.vue
@@ -25,7 +25,8 @@ export default {
 {
     '0-0': true,
     '0-1-0': true
-}`
+}
+`
             },
             code: {
                 basic: `