diff --git a/pkg/config/config.go b/pkg/config/config.go
index a0b2eea81..5464d2d8b 100644
--- a/pkg/config/config.go
+++ b/pkg/config/config.go
@@ -477,18 +477,18 @@ type WeComAppConfig struct {
 }
 
 type WeComAIBotConfig struct {
-	Enabled            bool                `json:"enabled"                    env:"PICOCLAW_CHANNELS_WECOM_AIBOT_ENABLED"`
-	BotID              string              `json:"bot_id,omitempty"           env:"PICOCLAW_CHANNELS_WECOM_AIBOT_BOT_ID"`
-	Secret             string              `json:"secret,omitempty"           env:"PICOCLAW_CHANNELS_WECOM_AIBOT_SECRET"`
-	Token              string              `json:"token,omitempty"            env:"PICOCLAW_CHANNELS_WECOM_AIBOT_TOKEN"`
-	EncodingAESKey     string              `json:"encoding_aes_key,omitempty" env:"PICOCLAW_CHANNELS_WECOM_AIBOT_ENCODING_AES_KEY"`
-	WebhookPath        string              `json:"webhook_path,omitempty"     env:"PICOCLAW_CHANNELS_WECOM_AIBOT_WEBHOOK_PATH"`
-	AllowFrom          FlexibleStringSlice `json:"allow_from"                 env:"PICOCLAW_CHANNELS_WECOM_AIBOT_ALLOW_FROM"`
-	ReplyTimeout       int                 `json:"reply_timeout"              env:"PICOCLAW_CHANNELS_WECOM_AIBOT_REPLY_TIMEOUT"`
-	MaxSteps           int                 `json:"max_steps"            env:"PICOCLAW_CHANNELS_WECOM_AIBOT_MAX_STEPS"`       // Maximum streaming steps
-	WelcomeMessage     string              `json:"welcome_message"      env:"PICOCLAW_CHANNELS_WECOM_AIBOT_WELCOME_MESSAGE"` // Sent on enter_chat event; empty = no welcome
+	Enabled            bool                `json:"enabled"                      env:"PICOCLAW_CHANNELS_WECOM_AIBOT_ENABLED"`
+	BotID              string              `json:"bot_id,omitempty"             env:"PICOCLAW_CHANNELS_WECOM_AIBOT_BOT_ID"`
+	Secret             string              `json:"secret,omitempty"             env:"PICOCLAW_CHANNELS_WECOM_AIBOT_SECRET"`
+	Token              string              `json:"token,omitempty"              env:"PICOCLAW_CHANNELS_WECOM_AIBOT_TOKEN"`
+	EncodingAESKey     string              `json:"encoding_aes_key,omitempty"   env:"PICOCLAW_CHANNELS_WECOM_AIBOT_ENCODING_AES_KEY"`
+	WebhookPath        string              `json:"webhook_path,omitempty"       env:"PICOCLAW_CHANNELS_WECOM_AIBOT_WEBHOOK_PATH"`
+	AllowFrom          FlexibleStringSlice `json:"allow_from"                   env:"PICOCLAW_CHANNELS_WECOM_AIBOT_ALLOW_FROM"`
+	ReplyTimeout       int                 `json:"reply_timeout"                env:"PICOCLAW_CHANNELS_WECOM_AIBOT_REPLY_TIMEOUT"`
+	MaxSteps           int                 `json:"max_steps"                    env:"PICOCLAW_CHANNELS_WECOM_AIBOT_MAX_STEPS"`       // Maximum streaming steps
+	WelcomeMessage     string              `json:"welcome_message"              env:"PICOCLAW_CHANNELS_WECOM_AIBOT_WELCOME_MESSAGE"` // Sent on enter_chat event; empty = no welcome
 	ProcessingMessage  string              `json:"processing_message,omitempty" env:"PICOCLAW_CHANNELS_WECOM_AIBOT_PROCESSING_MESSAGE"`
-	ReasoningChannelID string              `json:"reasoning_channel_id" env:"PICOCLAW_CHANNELS_WECOM_AIBOT_REASONING_CHANNEL_ID"`
+	ReasoningChannelID string              `json:"reasoning_channel_id"         env:"PICOCLAW_CHANNELS_WECOM_AIBOT_REASONING_CHANNEL_ID"`
 }
 
 type PicoConfig struct {