diff --git a/src/views/trials/trials-panel/visit/qc-check/index.vue b/src/views/trials/trials-panel/visit/qc-check/index.vue
index 68f34901..f521e282 100644
--- a/src/views/trials/trials-panel/visit/qc-check/index.vue
+++ b/src/views/trials/trials-panel/visit/qc-check/index.vue
@@ -89,6 +89,7 @@
             type="datetimerange"
             :default-time="['00:00:00', '23:59:59']"
             @change="changeTimeList"
+            style="width:250px"
           />
         </el-form-item>
         <el-form-item>