diff --git a/src/components/date-picker/picker.vue b/src/components/date-picker/picker.vue
index 7a5f54c..4f1b7b1 100644
--- a/src/components/date-picker/picker.vue
+++ b/src/components/date-picker/picker.vue
@@ -668,7 +668,7 @@
                 this.reset();
             },
             focus() {
-                this.$refs.input.focus();
+                this.$refs.input && this.$refs.input.focus();
             }
         },
         watch: {
--
libgit2 0.21.4