diff --git a/packages/calendar/index.ts b/packages/calendar/index.ts
index 4c897360..3c58f8c9 100644
--- a/packages/calendar/index.ts
+++ b/packages/calendar/index.ts
@@ -144,6 +144,15 @@ VantComponent({
     scrollIntoView: '',
   },
 
+  watch: {
+    minDate() {
+      this.initRect();
+    },
+    maxDate() {
+      this.initRect();
+    },
+  },
+
   created() {
     this.setData({
       currentDate: this.getInitialDate(this.data.defaultDate),