diff --git a/web/html/xui/form/protocol/vless.html b/web/html/xui/form/protocol/vless.html
index 0b6e6a5f..246bf1e7 100644
--- a/web/html/xui/form/protocol/vless.html
+++ b/web/html/xui/form/protocol/vless.html
@@ -16,7 +16,7 @@
                 </a-tooltip>
             </span>
 
-            <a-input type="number" v-model.number="vless.limitIp"></a-input>
+            <a-input type="number" v-model.number="vless.limitIp" min="0" ></a-input>
         </a-form-item>
         <a-form-item v-if="vless.email && vless.limitIp > 0 && isEdit">
             <span slot="label">
@@ -118,4 +118,4 @@
     </a-form-item>
     <a-divider v-if="inbound.settings.fallbacks.length - 1 === index"/>
 </a-form>
-{{end}}
\ No newline at end of file
+{{end}}