diff --git a/packages/datetime-picker/index.vue b/packages/datetime-picker/index.vue
index 8d6036f07..c81fd45d1 100644
--- a/packages/datetime-picker/index.vue
+++ b/packages/datetime-picker/index.vue
@@ -94,8 +94,11 @@ export default create({
     },
 
     innerValue(val) {
-      this.updateColumnValue(val);
       this.$emit('input', val);
+    },
+
+    columns() {
+      this.updateColumnValue(this.innerValue);
     }
   },