diff --git a/frontend/src/pages/xray/DnsTab.vue b/frontend/src/pages/xray/DnsTab.vue
index 8deae677..e1be1912 100644
--- a/frontend/src/pages/xray/DnsTab.vue
+++ b/frontend/src/pages/xray/DnsTab.vue
@@ -22,6 +22,14 @@ const props = defineProps({
 
 const STRATEGIES = ['UseSystem', 'UseIP', 'UseIPv4', 'UseIPv6'];
 
+const dnsFieldOmit = Object.freeze(Object.create(null));
+
+function dnsValueEmptyForOmit(v) {
+  if (v === undefined || v === null) return true;
+  if (typeof v === 'string') return v.trim() === '';
+  return false;
+}
+
 const enableDNS = computed({
   get: () => !!props.templateSettings?.dns,
   set: (next) => {
@@ -29,7 +37,6 @@ const enableDNS = computed({
     if (next) {
       props.templateSettings.dns = {
         tag: 'dns_inbound',
-        clientIp: '',
         queryStrategy: 'UseIP',
         disableCache: false,
         disableFallback: false,
@@ -50,16 +57,30 @@ const enableDNS = computed({
 });
 
 function dnsField(field, fallback) {
+  const omitWhenUnset = fallback === dnsFieldOmit;
   return computed({
-    get: () => props.templateSettings?.dns?.[field] ?? fallback,
+    get: () => {
+      const raw = props.templateSettings?.dns?.[field];
+      if (fallback === dnsFieldOmit) return raw ?? '';
+      return raw ?? fallback;
+    },
     set: (v) => {
-      if (props.templateSettings?.dns) props.templateSettings.dns[field] = v;
+      if (!props.templateSettings?.dns) return;
+      if (omitWhenUnset) {
+        if (dnsValueEmptyForOmit(v)) {
+          if (field in props.templateSettings.dns) delete props.templateSettings.dns[field];
+        } else {
+          props.templateSettings.dns[field] = v;
+        }
+      } else {
+        props.templateSettings.dns[field] = v;
+      }
     },
   });
 }
 
 const dnsTag = dnsField('tag', 'dns_inbound');
-const dnsClientIp = dnsField('clientIp', '');
+const dnsClientIp = dnsField('clientIp', dnsFieldOmit);
 const dnsStrategy = dnsField('queryStrategy', 'UseIP');
 const dnsDisableCache = dnsField('disableCache', false);
 const dnsDisableFallback = dnsField('disableFallback', false);
diff --git a/frontend/src/pages/xray/OutboundFormModal.vue b/frontend/src/pages/xray/OutboundFormModal.vue
index 155ff86f..4310b067 100644
--- a/frontend/src/pages/xray/OutboundFormModal.vue
+++ b/frontend/src/pages/xray/OutboundFormModal.vue
@@ -34,7 +34,6 @@ const props = defineProps({
   open: { type: Boolean, default: false },
   outbound: { type: Object, default: null },
   existingTags: { type: Array, default: () => [] },
-  inboundTags: { type: Array, default: () => [] },
 });
 
 const emit = defineEmits(['update:open', 'confirm']);
@@ -318,10 +317,8 @@ function regenerateWgKeys() {
           <!-- ============== Loopback ============== -->
           <template v-if="isLoopback">
             <a-form-item label="Inbound tag">
-              <a-auto-complete v-model:value="outbound.settings.inboundTag"
-                :options="inboundTags.map((tag) => ({ value: tag }))"
-                :filter-option="(input, option) => option.value.toLowerCase().includes(input.toLowerCase())"
-                placeholder="tag of an existing inbound to re-route into" />
+              <a-input v-model:value="outbound.settings.inboundTag"
+                placeholder="inbound tag using in routing rules" />
             </a-form-item>
           </template>
 
diff --git a/frontend/src/pages/xray/OutboundsTab.vue b/frontend/src/pages/xray/OutboundsTab.vue
index 11f3b898..71139a2f 100644
--- a/frontend/src/pages/xray/OutboundsTab.vue
+++ b/frontend/src/pages/xray/OutboundsTab.vue
@@ -35,15 +35,6 @@ const props = defineProps({
   isMobile: { type: Boolean, default: false },
 });
 
-const inboundTagOptions = computed(() => {
-  const out = new Set();
-  for (const ib of props.templateSettings?.inbounds || []) {
-    if (ib.tag) out.add(ib.tag);
-  }
-  for (const t of props.inboundTags || []) out.add(t);
-  return [...out];
-});
-
 const emit = defineEmits(['reset-traffic', 'test', 'test-all', 'show-warp', 'show-nord', 'delete']);
 
 const testMode = ref('tcp');
@@ -443,7 +434,7 @@ const rows = computed(() => {
     </a-table>
 
     <OutboundFormModal v-model:open="modalOpen" :outbound="editingOutbound" :existing-tags="existingTags"
-      :inbound-tags="inboundTagOptions" @confirm="onConfirm" />
+      @confirm="onConfirm" />
   </a-space>
 </template>
 
diff --git a/frontend/src/pages/xray/RoutingTab.vue b/frontend/src/pages/xray/RoutingTab.vue
index 27ae41d3..e7ce5344 100644
--- a/frontend/src/pages/xray/RoutingTab.vue
+++ b/frontend/src/pages/xray/RoutingTab.vue
@@ -65,18 +65,32 @@ const editingRule = ref(null);
 const editingIndex = ref(null);
 
 const inboundTagOptions = computed(() => {
-  const out = new Set();
+  const seen = new Set();
+  const out = [];
+
+  function pushUnique(tag) {
+    if (!tag) return;
+    if (seen.has(tag)) return;
+    seen.add(tag);
+    out.push(tag);
+  }
+
   for (const ib of props.templateSettings?.inbounds || []) {
-    if (ib.tag) out.add(ib.tag);
+    pushUnique(ib.tag);
+  }
+  for (const t of props.inboundTags || []) {
+    pushUnique(t);
   }
-  for (const t of props.inboundTags || []) out.add(t);
   for (const ob of props.templateSettings?.outbounds || []) {
-    const rt = ob?.reverse?.tag || ob?.settings?.reverse?.tag;
-    if (rt) out.add(rt);
+    const rt = ob?.reverse?.tag || ob?.settings?.reverse?.tag || ob?.settings?.inboundTag;
+    pushUnique(rt);
   }
-  // dnsTag if DNS is configured.
-  const dt = props.templateSettings?.dns?.tag;
-  if (dt) out.add(dt);
+  pushUnique(props.templateSettings?.dns?.tag);
+
+  for (const s of props.templateSettings?.dns?.servers || []) {
+    if (typeof s === 'object' && s?.tag) pushUnique(s.tag);
+  }
+
   return [...out];
 });