diff --git a/project/sass/apps/AppSpecialDrug/components/Add.vue b/project/sass/apps/AppSpecialDrug/components/Add.vue
index 7ba40433..9057ae61 100644
--- a/project/sass/apps/AppSpecialDrug/components/Add.vue
+++ b/project/sass/apps/AppSpecialDrug/components/Add.vue
@@ -211,7 +211,8 @@ export default {
           label: '详细地址',
           type: 'input',
           grid: 1,
-          formDbName: 'address'
+          formDbName: 'address',
+          maxLength: 20
         },
         {
           label: '所属网格',