diff --git a/sub/subService.go b/sub/subService.go
index 0ae46e02..18bf7bd5 100644
--- a/sub/subService.go
+++ b/sub/subService.go
@@ -209,7 +209,8 @@ func (s *SubService) genVmessLink(inbound *model.Inbound, email string) string {
 		obj["path"], _ = quic["key"].(string)
 	case "grpc":
 		grpc, _ := stream["grpcSettings"].(map[string]interface{})
-		obj["path"] = grpc["serviceName"].(string)
+		obj["path"], _ = grpc["serviceName"].(string)
+		obj["authority"], _ = grpc["authority"].(string)
 		if grpc["multiMode"].(bool) {
 			obj["type"] = "multi"
 		}
@@ -348,6 +349,7 @@ func (s *SubService) genVlessLink(inbound *model.Inbound, email string) string {
 	case "grpc":
 		grpc, _ := stream["grpcSettings"].(map[string]interface{})
 		params["serviceName"] = grpc["serviceName"].(string)
+		params["authority"] = grpc["authority"].(string)
 		if grpc["multiMode"].(bool) {
 			params["mode"] = "multi"
 		}
@@ -533,6 +535,7 @@ func (s *SubService) genTrojanLink(inbound *model.Inbound, email string) string
 	case "grpc":
 		grpc, _ := stream["grpcSettings"].(map[string]interface{})
 		params["serviceName"] = grpc["serviceName"].(string)
+		params["authority"] = grpc["authority"].(string)
 		if grpc["multiMode"].(bool) {
 			params["mode"] = "multi"
 		}
@@ -714,6 +717,7 @@ func (s *SubService) genShadowsocksLink(inbound *model.Inbound, email string) st
 	case "grpc":
 		grpc, _ := stream["grpcSettings"].(map[string]interface{})
 		params["serviceName"] = grpc["serviceName"].(string)
+		params["authority"] = grpc["authority"].(string)
 		if grpc["multiMode"].(bool) {
 			params["mode"] = "multi"
 		}
diff --git a/web/assets/js/model/outbound.js b/web/assets/js/model/outbound.js
index 517272f7..aa169893 100644
--- a/web/assets/js/model/outbound.js
+++ b/web/assets/js/model/outbound.js
@@ -257,19 +257,21 @@ class QuicStreamSettings extends CommonClass {
 }
 
 class GrpcStreamSettings extends CommonClass {
-    constructor(serviceName="", multiMode=false) {
+    constructor(serviceName="", authority="", multiMode=false) {
         super();
         this.serviceName = serviceName;
+        this.authority = authority;
         this.multiMode = multiMode;
     }
 
     static fromJson(json={}) {
-        return new GrpcStreamSettings(json.serviceName, json.multiMode);
+        return new GrpcStreamSettings(json.serviceName, json.authority, json.multiMode);
     }
 
     toJson() {
         return {
             serviceName: this.serviceName,
+            authority: this.authority,
             multiMode: this.multiMode,
         }
     }
@@ -640,7 +642,7 @@ class Outbound extends CommonClass {
                 json.path,
                 json.type ? json.type : 'none');
         } else if (network === 'grpc') {
-            stream.grpc = new GrpcStreamSettings(json.path, json.type == 'multi');
+            stream.grpc = new GrpcStreamSettings(json.path, json.authority, json.type == 'multi');
         } else if (network === 'httpupgrade') {
             stream.httpupgrade = new HttpUpgradeStreamSettings(json.path,json.host);
         }
@@ -682,7 +684,10 @@ class Outbound extends CommonClass {
                 url.searchParams.get('key') ?? '',
                 headerType ?? 'none');
         } else if (type === 'grpc') {
-            stream.grpc = new GrpcStreamSettings(url.searchParams.get('serviceName') ?? '', url.searchParams.get('mode') == 'multi');
+            stream.grpc = new GrpcStreamSettings(
+                url.searchParams.get('serviceName') ?? '',
+                url.searchParams.get('authority') ?? '',
+                url.searchParams.get('mode') == 'multi');
         } else if (type === 'httpupgrade') {
             stream.httpupgrade = new HttpUpgradeStreamSettings(path,host);
         }
diff --git a/web/assets/js/model/xray.js b/web/assets/js/model/xray.js
index 1ec620b2..47dd28cb 100644
--- a/web/assets/js/model/xray.js
+++ b/web/assets/js/model/xray.js
@@ -435,19 +435,21 @@ class QuicStreamSettings extends XrayCommonClass {
 }
 
 class GrpcStreamSettings extends XrayCommonClass {
-    constructor(serviceName="", multiMode=false) {
+    constructor(serviceName="", authority="", multiMode=false) {
         super();
         this.serviceName = serviceName;
+        this.authority = authority;
         this.multiMode = multiMode;
     }
 
     static fromJson(json={}) {
-        return new GrpcStreamSettings(json.serviceName, json.multiMode);
+        return new GrpcStreamSettings(json.serviceName, json.authority, json.multiMode);
     }
 
     toJson() {
         return {
             serviceName: this.serviceName,
+            authority: this.authority,
             multiMode: this.multiMode,
         }
     }
@@ -1079,6 +1081,7 @@ class Inbound extends XrayCommonClass {
             obj.path = this.stream.quic.key;
         } else if (network === 'grpc') {
             obj.path = this.stream.grpc.serviceName;
+            obj.authority = this.stream.grpc.authority;
             if (this.stream.grpc.multiMode){
                 obj.type = 'multi'
             }
@@ -1154,6 +1157,7 @@ class Inbound extends XrayCommonClass {
             case "grpc":
                 const grpc = this.stream.grpc;
                 params.set("serviceName", grpc.serviceName);
+                params.set("authority", grpc.authority);
                 if(grpc.multiMode){
                     params.set("mode", "multi");
                 }
@@ -1261,6 +1265,7 @@ class Inbound extends XrayCommonClass {
             case "grpc":
                 const grpc = this.stream.grpc;
                 params.set("serviceName", grpc.serviceName);
+                params.set("authority", grpc.authority);
                 if(grpc.multiMode){
                     params.set("mode", "multi");
                 }
@@ -1347,6 +1352,7 @@ class Inbound extends XrayCommonClass {
             case "grpc":
                 const grpc = this.stream.grpc;
                 params.set("serviceName", grpc.serviceName);
+                params.set("authority", grpc.authority);
                 if(grpc.multiMode){
                     params.set("mode", "multi");
                 }
diff --git a/web/html/xui/form/outbound.html b/web/html/xui/form/outbound.html
index d2513262..9955c330 100644
--- a/web/html/xui/form/outbound.html
+++ b/web/html/xui/form/outbound.html
@@ -333,6 +333,9 @@
         <a-form-item label='Service Name'>
             <a-input v-model.trim="outbound.stream.grpc.serviceName"></a-input>
         </a-form-item>
+        <a-form-item label='Authority'>
+            <a-input v-model.trim="outbound.stream.grpc.authority"></a-input>
+        </a-form-item>
         <a-form-item label='Multi Mode'>
             <a-switch v-model="outbound.stream.grpc.multiMode"></a-switch>
         </a-form-item>
diff --git a/web/html/xui/form/stream/stream_grpc.html b/web/html/xui/form/stream/stream_grpc.html
index 4874f35a..bd44a33b 100644
--- a/web/html/xui/form/stream/stream_grpc.html
+++ b/web/html/xui/form/stream/stream_grpc.html
@@ -3,6 +3,9 @@
     <a-form-item label="Service Name">
         <a-input v-model.trim="inbound.stream.grpc.serviceName" style="width: 250px;"></a-input>
     </a-form-item>
+    <a-form-item label="Authority">
+        <a-input v-model.trim="inbound.stream.grpc.authority"></a-input>
+    </a-form-item>
     <a-form-item label="Multi Mode">
         <a-switch v-model="inbound.stream.grpc.multiMode"></a-switch>
     </a-form-item>