diff --git a/sub/subService.go b/sub/subService.go
index 8aa9b026..97473159 100644
--- a/sub/subService.go
+++ b/sub/subService.go
@@ -213,6 +213,7 @@ func (s *SubService) genVmessLink(inbound *model.Inbound, email string) string {
 	case "grpc":
 		grpc, _ := stream["grpcSettings"].(map[string]interface{})
 		obj["path"] = grpc["serviceName"].(string)
+		obj["authority"] = grpc["authority"].(string)
 		if grpc["multiMode"].(bool) {
 			obj["type"] = "multi"
 		}
@@ -351,6 +352,7 @@ 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"
 		}
@@ -571,6 +573,7 @@ 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"
 		}
@@ -792,6 +795,7 @@ 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/xray.js b/web/assets/js/model/xray.js
index c8a4184c..9d863798 100644
--- a/web/assets/js/model/xray.js
+++ b/web/assets/js/model/xray.js
@@ -446,16 +446,19 @@ class QuicStreamSettings extends XrayCommonClass {
 class GrpcStreamSettings extends XrayCommonClass {
     constructor(
         serviceName="",
+        authority="",
         multiMode=false,
         ) {
         super();
         this.serviceName = serviceName;
+        this.authority = authority;
         this.multiMode = multiMode;
     }
 
     static fromJson(json={}) {
         return new GrpcStreamSettings(
             json.serviceName,
+            json.authority,
             json.multiMode
             );
     }
@@ -463,6 +466,7 @@ class GrpcStreamSettings extends XrayCommonClass {
     toJson() {
         return {
             serviceName: this.serviceName,
+            authority: this.authority,
             multiMode: this.multiMode,
         }
     }
@@ -1240,6 +1244,7 @@ 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'
             }
@@ -1315,6 +1320,7 @@ 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");
                 }
@@ -1434,6 +1440,7 @@ 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");
                 }
@@ -1520,6 +1527,7 @@ 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/stream/stream_grpc.html b/web/html/xui/form/stream/stream_grpc.html
index fcefdff9..e74a3c3f 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"></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>