diff --git a/src/views/hosts/workbenches.vue b/src/views/hosts/workbenches.vue
index a5ec26e..bc2cac1 100644
--- a/src/views/hosts/workbenches.vue
+++ b/src/views/hosts/workbenches.vue
@@ -299,6 +299,11 @@ const submit = () => {
         ElMessage.error('请输入正确的频率区间值');
         return;
     }
+    if (hostNum.value <= 0) {
+        ElMessage.error('请输入正确的可邀请数量');
+        return;
+    }
+
     ElMessageBox.confirm(
         '确认开始爬取数据?',
         '开始',