diff --git a/src/views/systemManage/setting/index.vue b/src/views/systemManage/setting/index.vue
index 98e73ac..dff2005 100644
--- a/src/views/systemManage/setting/index.vue
+++ b/src/views/systemManage/setting/index.vue
@@ -272,6 +272,9 @@ const saveRule = async () => {
     if(ruleConfig.value.find((item:any) => item.item_key === 'prefix')?.value===''){
         return window.$message?.warning(`请输入${ruleConfig.value.find((item:any) => item.item_key === 'prefix')?.label}`);
     }
+    if(ruleConfig.value.find((item:any) => item.item_key === 'seq_length')?.value==null){
+        return window.$message?.warning(`请输入${ruleConfig.value.find((item:any) => item.item_key === 'seq_length')?.label}`);
+    }
     ruleLoading.value = true;
     const {error} = await updateConfigApi({items:ruleConfig.value});
     if(!error){