diff --git a/database/model/model.go b/database/model/model.go
index 402565b6..9893776d 100644
--- a/database/model/model.go
+++ b/database/model/model.go
@@ -46,6 +46,7 @@ type Inbound struct {
 	StreamSettings string   `json:"streamSettings" form:"streamSettings"`
 	Tag            string   `json:"tag" form:"tag" gorm:"unique"`
 	Sniffing       string   `json:"sniffing" form:"sniffing"`
+	Allocate       string   `json:"allocate" form:"allocate"`
 }
 
 type OutboundTraffics struct {
@@ -75,6 +76,7 @@ func (i *Inbound) GenXrayInboundConfig() *xray.InboundConfig {
 		StreamSettings: json_util.RawMessage(i.StreamSettings),
 		Tag:            i.Tag,
 		Sniffing:       json_util.RawMessage(i.Sniffing),
+		Allocate:       json_util.RawMessage(i.Allocate),
 	}
 }
 
diff --git a/sub/default.json b/sub/default.json
index d98a03ef..32948c77 100644
--- a/sub/default.json
+++ b/sub/default.json
@@ -23,6 +23,7 @@
         "destOverride": [
           "http",
           "tls",
+          "quic",
           "fakedns"
         ],
         "enabled": true
diff --git a/web/assets/js/model/xray.js b/web/assets/js/model/xray.js
index 8b7fca28..3710ec6e 100644
--- a/web/assets/js/model/xray.js
+++ b/web/assets/js/model/xray.js
@@ -1197,6 +1197,27 @@ class Sniffing extends XrayCommonClass {
     }
 }
 
+class Allocate extends XrayCommonClass {
+    constructor(
+        strategy = "always",
+        refresh = 5,
+        concurrency = 3,
+    ) {
+        super();
+        this.strategy = strategy;
+        this.refresh = refresh;
+        this.concurrency = concurrency;
+    }
+
+    static fromJson(json = {}) {
+        return new Allocate(
+            json.strategy,
+            json.refresh,
+            json.concurrency,
+        );
+    }
+}
+
 class Inbound extends XrayCommonClass {
     constructor(
         port = RandomUtil.randomIntRange(10000, 60000),
@@ -1206,6 +1227,7 @@ class Inbound extends XrayCommonClass {
         streamSettings = new StreamSettings(),
         tag = '',
         sniffing = new Sniffing(),
+        allocate = new Allocate(),
         clientStats = '',
     ) {
         super();
@@ -1216,6 +1238,7 @@ class Inbound extends XrayCommonClass {
         this.stream = streamSettings;
         this.tag = tag;
         this.sniffing = sniffing;
+        this.allocate = allocate;
         this.clientStats = clientStats;
     }
     getClientStats() {
@@ -1406,6 +1429,7 @@ class Inbound extends XrayCommonClass {
         this.stream = new StreamSettings();
         this.tag = '';
         this.sniffing = new Sniffing();
+        this.allocate = new Allocate();
     }
 
     genVmessLink(address = '', port = this.port, forceTls, remark = '', clientId, security) {
@@ -1885,6 +1909,7 @@ class Inbound extends XrayCommonClass {
             StreamSettings.fromJson(json.streamSettings),
             json.tag,
             Sniffing.fromJson(json.sniffing),
+            Allocate.fromJson(json.allocate),
             json.clientStats
         )
     }
@@ -1902,6 +1927,7 @@ class Inbound extends XrayCommonClass {
             streamSettings: streamSettings,
             tag: this.tag,
             sniffing: this.sniffing.toJson(),
+            allocate: this.allocate.toJson(),
             clientStats: this.clientStats
         };
     }
diff --git a/web/html/xui/form/allocate.html b/web/html/xui/form/allocate.html
new file mode 100644
index 00000000..8c19d3ec
--- /dev/null
+++ b/web/html/xui/form/allocate.html
@@ -0,0 +1,16 @@
+{{define "form/allocate"}}
+<a-divider style="margin:5px 0 0;">Allocate</a-divider>
+<a-form :colon="false" :label-col="{ md: {span:8} }" :wrapper-col="{ md: {span:14} }">
+    <a-form-item label='strategy'>
+      <a-select v-model="inbound.allocate.strategy" :dropdown-class-name="themeSwitcher.currentTheme">
+        <a-select-option v-for="s in ['always','random']" :value="s">[[ s ]]</a-select-option>
+      </a-select>
+    </a-form-item>
+    <a-form-item label='refresh'>
+      <a-input-number v-model.number="inbound.allocate.refresh" min="0"></a-input-number>
+    </a-form-item>
+    <a-form-item label='concurrency'>
+      <a-input-number v-model.number="inbound.allocate.concurrency" min="0"></a-input-number>
+    </a-form-item>
+</a-form>
+{{end}}
diff --git a/web/html/xui/form/inbound.html b/web/html/xui/form/inbound.html
index c0ae1998..2930b7be 100644
--- a/web/html/xui/form/inbound.html
+++ b/web/html/xui/form/inbound.html
@@ -118,4 +118,10 @@
 <template>
     {{template "form/sniffing"}}
 </template>
+
+<!-- allocate -->
+<template>
+    {{template "form/allocate"}}
+</template>
+
 {{end}}
diff --git a/web/html/xui/form/sniffing.html b/web/html/xui/form/sniffing.html
index f4230dd1..23dfea65 100644
--- a/web/html/xui/form/sniffing.html
+++ b/web/html/xui/form/sniffing.html
@@ -1,5 +1,5 @@
 {{define "form/sniffing"}}
-<a-divider style="margin:5px 0 0;"></a-divider>
+<a-divider style="margin:5px 0 0;">Sniffing</a-divider>
 <a-form :colon="false" :label-col="{ md: {span:8} }" :wrapper-col="{ md: {span:14} }">
   <a-form-item>
     <span slot="label">
diff --git a/web/html/xui/inbounds.html b/web/html/xui/inbounds.html
index f27be794..e93a0a1d 100644
--- a/web/html/xui/inbounds.html
+++ b/web/html/xui/inbounds.html
@@ -935,6 +935,7 @@
                     settings: Inbound.Settings.getSettings(baseInbound.protocol).toString(),
                     streamSettings: baseInbound.stream.toString(),
                     sniffing: baseInbound.sniffing.toString(),
+                    allocate: baseInbound.allocate.toString(),
                 };
                 await this.submit('/panel/inbound/add', data, inModal);
             },
@@ -980,6 +981,7 @@
                 };
                 if (inbound.canEnableStream()) data.streamSettings = inbound.stream.toString();
                 data.sniffing = inbound.sniffing.toString();
+                data.allocate = inbound.allocate.toString();
 
                 await this.submit('/panel/inbound/add', data, inModal);
             },
@@ -999,6 +1001,7 @@
                 };
                 if (inbound.canEnableStream()) data.streamSettings = inbound.stream.toString();
                 data.sniffing = inbound.sniffing.toString();
+                data.allocate = inbound.allocate.toString();
 
                 await this.submit(`/panel/inbound/update/${dbInbound.id}`, data, inModal);
             },
diff --git a/web/service/inbound.go b/web/service/inbound.go
index 0ed76880..5213fce6 100644
--- a/web/service/inbound.go
+++ b/web/service/inbound.go
@@ -331,6 +331,7 @@ func (s *InboundService) UpdateInbound(inbound *model.Inbound) (*model.Inbound,
 	oldInbound.Settings = inbound.Settings
 	oldInbound.StreamSettings = inbound.StreamSettings
 	oldInbound.Sniffing = inbound.Sniffing
+	oldInbound.Allocate = inbound.Allocate
 	if inbound.Listen == "" || inbound.Listen == "0.0.0.0" || inbound.Listen == "::" || inbound.Listen == "::0" {
 		oldInbound.Tag = fmt.Sprintf("inbound-%v", inbound.Port)
 	} else {
diff --git a/xray/inbound.go b/xray/inbound.go
index ea11449d..c74b07ba 100644
--- a/xray/inbound.go
+++ b/xray/inbound.go
@@ -14,6 +14,7 @@ type InboundConfig struct {
 	StreamSettings json_util.RawMessage `json:"streamSettings"`
 	Tag            string               `json:"tag"`
 	Sniffing       json_util.RawMessage `json:"sniffing"`
+	Allocate       json_util.RawMessage `json:"allocate"`
 }
 
 func (c *InboundConfig) Equals(other *InboundConfig) bool {
@@ -38,5 +39,8 @@ func (c *InboundConfig) Equals(other *InboundConfig) bool {
 	if !bytes.Equal(c.Sniffing, other.Sniffing) {
 		return false
 	}
+	if !bytes.Equal(c.Allocate, other.Allocate) {
+		return false
+	}
 	return true
 }