diff --git a/src/views/dc/DailyChallenge.ts b/src/views/dc/DailyChallenge.ts
index 58ff8da..ebe655c 100644
--- a/src/views/dc/DailyChallenge.ts
+++ b/src/views/dc/DailyChallenge.ts
@@ -290,7 +290,9 @@ export class DailyChallenge extends Laya.Script {
 
   public onClickUnit(evt: Laya.Event): void {
     const unit = evt.target.getComponent(CalendarUnit)
-    this.onApplyUnit(unit)
+    if (unit.open) {
+      this.onApplyUnit(unit)
+    }
   }
 
   onClickLeft(): void {