diff --git a/src/components/ma-crud/components/searchFormItem/form-select.vue b/src/components/ma-crud/components/searchFormItem/form-select.vue
index e2d41d6..5430323 100644
--- a/src/components/ma-crud/components/searchFormItem/form-select.vue
+++ b/src/components/ma-crud/components/searchFormItem/form-select.vue
@@ -167,6 +167,7 @@ const handlerFallback = (key) => {
 watch( () => get(searchForm.value, props.component.dataIndex), vl => value.value = vl )
 watch( () => value.value, v => {
   if (props.component.multiple) {
+    if (!isObject(v)) v = []
     v.forEach(k => {
       if ( !optionMap.value[k] ) {
         optionMap.value[k] = dicts.value[dictIndex].find(i => i.value === k)
diff --git a/src/components/ma-form/formItem/form-select.vue b/src/components/ma-form/formItem/form-select.vue
index 55d8089..c7cfe57 100644
--- a/src/components/ma-form/formItem/form-select.vue
+++ b/src/components/ma-form/formItem/form-select.vue
@@ -161,6 +161,7 @@ const keyword = ref('')
 watch( () => get(formModel.value, index), vl => value.value = vl )
 watch( () => value.value, v => {
   if (props.component.multiple) {
+    if (!isObject(v)) v = []
     v.forEach(k => {
       if ( !optionMap.value[k] ) {
         optionMap.value[k] = dictList.value[dictIndex].find(i => i.value === k)