diff --git a/test/common_event_manager/test/entry/src/main/cangjie/src/index.cj b/test/common_event_manager/test/entry/src/main/cangjie/src/index.cj
index 65ea7c3..ff51175 100644
--- a/test/common_event_manager/test/entry/src/main/cangjie/src/index.cj
+++ b/test/common_event_manager/test/entry/src/main/cangjie/src/index.cj
@@ -40,9 +40,9 @@ class EntryView {
     func build() {
         Row {
             Column {
-                Button(message).onClick {
+                Button(message).onClick ({
                     evt =>
-                }.fontSize(40).height(80)
+                }).fontSize(40).height(80)
             }.width(100.percent)
         }.height(100.percent)
     }