diff --git a/sub/subJsonService.go b/sub/subJsonService.go
index 057c1e81..76d0b126 100644
--- a/sub/subJsonService.go
+++ b/sub/subJsonService.go
@@ -211,7 +211,7 @@ func (s *SubJsonService) streamData(stream string) map[string]interface{} {
 	delete(streamSettings, "sockopt")
 
 	if s.fragment != "" {
-		streamSettings["sockopt"] = json_util.RawMessage(`{"dialerProxy": "fragment", "tcpKeepAliveIdle": 100, "tcpNoDelay": true}`)
+		streamSettings["sockopt"] = json_util.RawMessage(`{"dialerProxy": "fragment", "tcpKeepAliveIdle": 100, "tcpMptcp": true, "tcpNoDelay": true}`)
 	}
 
 	// remove proxy protocol
diff --git a/web/assets/js/model/outbound.js b/web/assets/js/model/outbound.js
index 1cb1df21..e8f846b4 100644
--- a/web/assets/js/model/outbound.js
+++ b/web/assets/js/model/outbound.js
@@ -361,11 +361,12 @@ class RealityStreamSettings extends CommonClass {
     }
 };
 class SockoptStreamSettings extends CommonClass {
-    constructor(dialerProxy = "", tcpFastOpen = false, tcpKeepAliveInterval = 0, tcpNoDelay = false) {
+    constructor(dialerProxy = "", tcpFastOpen = false, tcpKeepAliveInterval = 0, tcpMptcp = false, tcpNoDelay = false) {
         super();
         this.dialerProxy = dialerProxy;
         this.tcpFastOpen = tcpFastOpen;
         this.tcpKeepAliveInterval = tcpKeepAliveInterval;
+        this.tcpMptcp = tcpMptcp;
         this.tcpNoDelay = tcpNoDelay;
     }
 
@@ -375,6 +376,7 @@ class SockoptStreamSettings extends CommonClass {
             json.dialerProxy,
             json.tcpFastOpen,
             json.tcpKeepAliveInterval,
+            json.tcpMptcp,
             json.tcpNoDelay,
         );
     }
@@ -384,6 +386,7 @@ class SockoptStreamSettings extends CommonClass {
             dialerProxy: this.dialerProxy,
             tcpFastOpen: this.tcpFastOpen,
             tcpKeepAliveInterval: this.tcpKeepAliveInterval,
+            tcpMptcp: this.tcpMptcp,
             tcpNoDelay: this.tcpNoDelay,
         };
     }
diff --git a/web/assets/js/model/xray.js b/web/assets/js/model/xray.js
index b8e85ff6..e43f7e10 100644
--- a/web/assets/js/model/xray.js
+++ b/web/assets/js/model/xray.js
@@ -881,12 +881,14 @@ RealityStreamSettings.Settings = class extends XrayCommonClass {
 };
 
 class SockoptStreamSettings extends XrayCommonClass {
-    constructor(acceptProxyProtocol = false, tcpFastOpen = false, mark = 0, tproxy="off") {
+    constructor(acceptProxyProtocol = false, tcpFastOpen = false, mark = 0, tproxy="off", tcpMptcp = false, tcpNoDelay = false) {
         super();
         this.acceptProxyProtocol = acceptProxyProtocol;
         this.tcpFastOpen = tcpFastOpen;
         this.mark = mark;
         this.tproxy = tproxy;
+        this.tcpMptcp = tcpMptcp;
+        this.tcpNoDelay = tcpNoDelay;
     }
     
     static fromJson(json = {}) {
@@ -896,6 +898,8 @@ class SockoptStreamSettings extends XrayCommonClass {
             json.tcpFastOpen,
             json.mark,
             json.tproxy,
+            json.tcpMptcp,
+            json.tcpNoDelay,
         );
     }
 
@@ -905,6 +909,8 @@ class SockoptStreamSettings extends XrayCommonClass {
             tcpFastOpen: this.tcpFastOpen,
             mark: this.mark,
             tproxy: this.tproxy,
+            tcpMptcp: this.tcpMptcp,
+            tcpNoDelay: this.tcpNoDelay,
         };
     }
 }
diff --git a/web/html/xui/form/outbound.html b/web/html/xui/form/outbound.html
index af432fdf..0718d4ed 100644
--- a/web/html/xui/form/outbound.html
+++ b/web/html/xui/form/outbound.html
@@ -403,6 +403,9 @@
         <a-form-item label="Keep Alive Interval">
           <a-input-number v-model="outbound.stream.sockopt.tcpKeepAliveInterval" :min="0"></a-input-number>
         </a-form-item>
+        <a-form-item label="Multipath TCP">
+          <a-switch v-model.trim="outbound.stream.sockopt.tcpMptcp"></a-switch>
+      </a-form-item>
         <a-form-item label="TCP No-Delay">
           <a-switch v-model="outbound.stream.sockopt.tcpNoDelay"></a-switch>
         </a-form-item>
diff --git a/web/html/xui/form/stream/stream_httpupgrade.html b/web/html/xui/form/stream/stream_httpupgrade.html
index d1cd2e02..a98291cb 100644
--- a/web/html/xui/form/stream/stream_httpupgrade.html
+++ b/web/html/xui/form/stream/stream_httpupgrade.html
@@ -1,6 +1,6 @@
 {{define "form/streamHTTPUpgrade"}}
 <a-form :colon="false" :label-col="{ md: {span:8} }" :wrapper-col="{ md: {span:14} }">
-  <a-form-item label="PROXY Protocol">
+  <a-form-item label="Proxy Protocol">
     <a-switch v-model="inbound.stream.httpupgrade.acceptProxyProtocol"></a-switch>
   </a-form-item>
   <a-form-item label='{{ i18n "host" }}'>
diff --git a/web/html/xui/form/stream/stream_sockopt.html b/web/html/xui/form/stream/stream_sockopt.html
index dd60a7e1..0a50a89e 100644
--- a/web/html/xui/form/stream/stream_sockopt.html
+++ b/web/html/xui/form/stream/stream_sockopt.html
@@ -1,11 +1,11 @@
 {{define "form/streamSockopt"}}
 <a-divider style="margin:5px 0 0;"></a-divider>
 <a-form :colon="false" :label-col="{ md: {span:8} }" :wrapper-col="{ md: {span:14} }">
-    <a-form-item label="TPROXY">
+    <a-form-item label="Sockopt">
         <a-switch v-model="inbound.stream.sockoptSwitch"></a-switch>
     </a-form-item>
     <template v-if="inbound.stream.sockoptSwitch">
-        <a-form-item label="PROXY Protocol">
+        <a-form-item label="Proxy Protocol">
             <a-switch v-model="inbound.stream.sockopt.acceptProxyProtocol"></a-switch>
         </a-form-item>
         <a-form-item label="TCP Fast Open">
@@ -14,13 +14,19 @@
         <a-form-item label="Route Mark">
             <a-input-number v-model="inbound.stream.sockopt.mark" :min="0"></a-input-number>
         </a-form-item>
-        <a-form-item label="TPROXY">
+        <a-form-item label="TProxy">
             <a-select v-model="inbound.stream.sockopt.tproxy" :dropdown-class-name="themeSwitcher.currentTheme">
                 <a-select-option value="off">Off</a-select-option>
                 <a-select-option value="redirect">Redirect</a-select-option>
-                <a-select-option value="tproxy">TPROXY</a-select-option>
+                <a-select-option value="tproxy">TProxy</a-select-option>
             </a-select>
         </a-form-item>
+        <a-form-item label="Multipath TCP">
+            <a-switch v-model.trim="inbound.stream.sockopt.tcpMptcp"></a-switch>
+        </a-form-item>
+        <a-form-item label="TCP No-Delay">
+            <a-switch v-model.trim="inbound.stream.sockopt.tcpNoDelay"></a-switch>
+        </a-form-item>
     </template>
 </a-form>
 {{end}}
diff --git a/web/html/xui/form/stream/stream_tcp.html b/web/html/xui/form/stream/stream_tcp.html
index cf1a03ca..31d2f9e8 100644
--- a/web/html/xui/form/stream/stream_tcp.html
+++ b/web/html/xui/form/stream/stream_tcp.html
@@ -1,7 +1,7 @@
 {{define "form/streamTCP"}}
 <!-- tcp type -->
 <a-form :colon="false" :label-col="{ md: {span:8} }" :wrapper-col="{ md: {span:14} }">
-  <a-form-item label="PROXY Protocol" v-if="inbound.canEnableTls()">
+  <a-form-item label="Proxy Protocol" v-if="inbound.canEnableTls()">
     <a-switch v-model="inbound.stream.tcp.acceptProxyProtocol"></a-switch>
   </a-form-item>
   <a-form-item label='HTTP {{ i18n "camouflage" }}'>
diff --git a/web/html/xui/form/stream/stream_ws.html b/web/html/xui/form/stream/stream_ws.html
index 9b71070c..80f44c50 100644
--- a/web/html/xui/form/stream/stream_ws.html
+++ b/web/html/xui/form/stream/stream_ws.html
@@ -1,6 +1,6 @@
 {{define "form/streamWS"}}
 <a-form :colon="false" :label-col="{ md: {span:8} }" :wrapper-col="{ md: {span:14} }">
-  <a-form-item label="PROXY Protocol">
+  <a-form-item label="Proxy Protocol">
     <a-switch v-model="inbound.stream.ws.acceptProxyProtocol"></a-switch>
   </a-form-item>
   <a-form-item label='{{ i18n "host" }}'>
diff --git a/web/html/xui/settings.html b/web/html/xui/settings.html
index 8bcb0258..96293daf 100644
--- a/web/html/xui/settings.html
+++ b/web/html/xui/settings.html
@@ -407,6 +407,7 @@
         streamSettings: {
           sockopt: {
             tcpKeepAliveIdle: 100,
+            tcpMptcp: true,
             tcpNoDelay: true
           }
         }