diff --git a/README.md b/README.md
index 0a8f0f76f..67ad9f807 100644
--- a/README.md
+++ b/README.md
@@ -523,7 +523,7 @@ picoclaw onboard weixin
 Scan the printed QR code with your WeChat mobile app. On success, the token is saved to your config.
 
 **2. Configure**
-（Optional) Update `allow_from` with your WeChat User ID to restrict who can message the bot:
+(Optional) Update `allow_from` with your WeChat User ID to restrict who can message the bot:
 ```json
 {
   "channels": {
diff --git a/cmd/picoclaw/internal/onboard/weixin.go b/cmd/picoclaw/internal/onboard/weixin.go
index e9e08fa99..721b4f0e9 100644
--- a/cmd/picoclaw/internal/onboard/weixin.go
+++ b/cmd/picoclaw/internal/onboard/weixin.go
@@ -78,7 +78,7 @@ func runWeixinOnboard(baseURL, proxy string, timeout time.Duration) error {
 
 	fmt.Println("✓ Config updated. Start the gateway with:")
 	fmt.Println()
-	fmt.Println("  picoclaw gateway start")
+	fmt.Println("  picoclaw gateway")
 	fmt.Println()
 	fmt.Println("To restrict which WeChat users can send messages, add their user IDs")
 	fmt.Println("to channels.weixin.allow_from in your config.")
diff --git a/docs/channels/weixin/README.md b/docs/channels/weixin/README.md
index 3c3fe5c7e..22687fec4 100644
--- a/docs/channels/weixin/README.md
+++ b/docs/channels/weixin/README.md
@@ -18,7 +18,7 @@ This command will:
 After onboarding, you can start the gateway:
 
 ```bash
-picoclaw gateway start
+picoclaw gateway
 ```
 
 ---
diff --git a/docs/channels/weixin/README.zh.md b/docs/channels/weixin/README.zh.md
index f8111abfa..d5e6f0a49 100644
--- a/docs/channels/weixin/README.zh.md
+++ b/docs/channels/weixin/README.zh.md
@@ -18,7 +18,7 @@ picoclaw onboard weixin
 配置完成后，即可启动网关：
 
 ```bash
-picoclaw gateway start
+picoclaw gateway
 ```
 
 ---
diff --git a/docs/chat-apps.md b/docs/chat-apps.md
index a96d7d1e5..07297952a 100644
--- a/docs/chat-apps.md
+++ b/docs/chat-apps.md
@@ -183,7 +183,7 @@ picoclaw onboard weixin
 Scan the printed QR code with your WeChat mobile app. On success, the token is saved to your config.
 
 **2. Configure**
-（Optional) Update `allow_from` with your WeChat User ID to restrict who can message the bot:
+(Optional) Update `allow_from` with your WeChat User ID to restrict who can message the bot:
 ```json
 {
   "channels": {
diff --git a/pkg/channels/weixin/api.go b/pkg/channels/weixin/api.go
index 4d5d25e68..9f4d49ad0 100644
--- a/pkg/channels/weixin/api.go
+++ b/pkg/channels/weixin/api.go
@@ -32,10 +32,19 @@ func NewApiClient(baseURL, token string, proxy string) (*ApiClient, error) {
 	if proxy != "" {
 		proxyURL, err := url.Parse(proxy)
 		if err != nil {
-			return nil, fmt.Errorf("invalid proxy URL %q: %v", proxy, err)
+			return nil, fmt.Errorf("invalid proxy URL %q: %w", proxy, err)
 		}
-		client.Transport = &http.Transport{
-			Proxy: http.ProxyURL(proxyURL),
+
+		// Clone the default transport so we preserve all default settings (TLS, HTTP/2, timeouts, keep-alives)
+		if defaultTransport, ok := http.DefaultTransport.(*http.Transport); ok {
+			transport := defaultTransport.Clone()
+			transport.Proxy = http.ProxyURL(proxyURL)
+			client.Transport = transport
+		} else {
+			// Fallback: preserve previous behavior if DefaultTransport is not the expected type
+			client.Transport = &http.Transport{
+				Proxy: http.ProxyURL(proxyURL),
+			}
 		}
 	}
 
diff --git a/pkg/channels/weixin/weixin.go b/pkg/channels/weixin/weixin.go
index 4db509174..70a999ab5 100644
--- a/pkg/channels/weixin/weixin.go
+++ b/pkg/channels/weixin/weixin.go
@@ -292,7 +292,7 @@ func (c *WeixinChannel) Send(ctx context.Context, msg bus.OutboundMessage) error
 		logger.ErrorCF("weixin", "Missing context token, cannot send message", map[string]any{
 			"to_user_id": toUserID,
 		})
-		return fmt.Errorf("weixin send: missing context token for chat %s", toUserID)
+		return fmt.Errorf("weixin send: %w: missing context token for chat %s", channels.ErrSendFailed, toUserID)
 	}
 	clientID := "picoclaw-" + uuid.New().String()