diff --git a/DONATE.md b/DONATE.md
new file mode 100644
index 00000000..b2dc4348
--- /dev/null
+++ b/DONATE.md
@@ -0,0 +1,24 @@
+# Support the project
+
+If you want to support the project, you can donate to the following addresses.
+
+### TRX (Tron)
+```
+TSWU6VUZ4FcUghYDmbbhK15gRVvhvBgW3F
+```
+### TON
+```
+UQAyD2UuT5kCP6lZQlhFL0hyNibDXNE4nIo_RSLVSYAtD7N1
+```
+### Solana
+```
+CJu8ickwRCwNE71uVFjYf1UveyCkRp9Xo44rhPcQpeFL
+```
+### Bitcoin
+```
+bc1qqx97p8k4dchqkyd47s4vf74hrqdfnmhqvcja7x
+```
+### Ethereum
+```
+0xAcc5919C22F2B3fAa0ec7E8BaD142da5B375FBF6
+```
\ No newline at end of file
diff --git a/README.md b/README.md
index 04ed0abb..9c421b11 100644
--- a/README.md
+++ b/README.md
@@ -17,6 +17,31 @@ Sing-box with extended features.
 
 https://github.com/shtorm-7/sing-box-extended/tree/extended/examples
 
+## Support the project
+
+If you want to support the project, you can donate to the following addresses.
+
+### TRX (Tron)
+```
+TSWU6VUZ4FcUghYDmbbhK15gRVvhvBgW3F
+```
+### TON
+```
+UQAyD2UuT5kCP6lZQlhFL0hyNibDXNE4nIo_RSLVSYAtD7N1
+```
+### Solana
+```
+CJu8ickwRCwNE71uVFjYf1UveyCkRp9Xo44rhPcQpeFL
+```
+### Bitcoin
+```
+bc1qqx97p8k4dchqkyd47s4vf74hrqdfnmhqvcja7x
+```
+### Ethereum
+```
+0xAcc5919C22F2B3fAa0ec7E8BaD142da5B375FBF6
+```
+
 ## License
 
 ```
diff --git a/examples/xhttp/server.json b/examples/xhttp/server.json
index 62d5df14..c833c62d 100644
--- a/examples/xhttp/server.json
+++ b/examples/xhttp/server.json
@@ -35,6 +35,7 @@
         "path": "/xhttp",
         "x_padding_bytes": "100-1000",
         "no_sse_header": false, // server only
+        "sc_max_each_post_bytes": 1000000, // packet-up only
         "sc_max_buffered_posts": 30, // packet-up, server only
         "sc_stream_up_server_secs": "20-80", // stream-up, server only
         "x_padding_obfs_mode": false,
diff --git a/option/v2ray_transport.go b/option/v2ray_transport.go
index c398c0ab..2737d747 100644
--- a/option/v2ray_transport.go
+++ b/option/v2ray_transport.go
@@ -203,7 +203,7 @@ func checkV2RayXHTTPBaseOptions(mode string, options *V2RayXHTTPBaseOptions) err
 		}
 	}
 	if options.XPaddingBytes.From <= 0 || options.XPaddingBytes.To <= 0 {
-		return E.New("xPaddingBytes cannot be disabled")
+		return E.New("x_padding_bytes cannot be disabled")
 	}
 	if options.XPaddingKey == "" {
 		options.XPaddingKey = "x_padding"
@@ -231,7 +231,7 @@ func checkV2RayXHTTPBaseOptions(mode string, options *V2RayXHTTPBaseOptions) err
 	case "body":
 	case "cookie", "header":
 		if mode != "packet-up" {
-			return E.New("UplinkDataPlacement can be " + options.UplinkDataPlacement + " only in packet-up mode")
+			return E.New("uplink_data_placement can be " + options.UplinkDataPlacement + " only in packet-up mode")
 		}
 	default:
 		return E.New("unsupported uplink data placement: " + options.UplinkDataPlacement)
@@ -241,7 +241,7 @@ func checkV2RayXHTTPBaseOptions(mode string, options *V2RayXHTTPBaseOptions) err
 	}
 	options.UplinkHTTPMethod = strings.ToUpper(options.UplinkHTTPMethod)
 	if options.UplinkHTTPMethod == "GET" && mode != "packet-up" {
-		return E.New("uplinkHTTPMethod can be GET only in packet-up mode")
+		return E.New("uplink_http_method can be GET only in packet-up mode")
 	}
 	switch options.SessionPlacement {
 	case "":
@@ -256,7 +256,7 @@ func checkV2RayXHTTPBaseOptions(mode string, options *V2RayXHTTPBaseOptions) err
 	case "path":
 	case "cookie", "header", "query":
 		if options.SessionPlacement == "path" {
-			return E.New("SeqPlacement must be path when SessionPlacement is path")
+			return E.New("seq_placement must be path when session_placement is path")
 		}
 	default:
 		return E.New("unsupported seq placement: " + options.SeqPlacement)
@@ -304,7 +304,7 @@ func checkV2RayXHTTPBaseOptions(mode string, options *V2RayXHTTPBaseOptions) err
 		options.Xmux.HMaxReusableSecs.From = 1800
 		options.Xmux.HMaxReusableSecs.To = 3000
 	} else if options.Xmux.MaxConnections.To > 0 && options.Xmux.MaxConcurrency.To > 0 {
-		return E.New("maxConnections cannot be specified together with maxConcurrency")
+		return E.New("max_connections cannot be specified together with max_concurrency")
 	}
 	return nil
 }