diff --git a/pkg/channels/dingtalk/api.go b/pkg/channels/dingtalk/api.go
index d83471990..410ad9c01 100644
--- a/pkg/channels/dingtalk/api.go
+++ b/pkg/channels/dingtalk/api.go
@@ -73,7 +73,7 @@ func (c *DingTalkChannel) sendRobotAPIRequest(
 	}
 
 	req.Header.Set("Content-Type", "application/json")
-	req.Header.Set("x-acs-dingtalk-access-token", accessToken)
+	req.Header.Set("X-Acs-Dingtalk-Access-Token", accessToken)
 
 	resp, err := c.httpClient.Do(req)
 	if err != nil {
diff --git a/pkg/channels/dingtalk/dingtalk.go b/pkg/channels/dingtalk/dingtalk.go
index 26ac4af15..7022a5b60 100644
--- a/pkg/channels/dingtalk/dingtalk.go
+++ b/pkg/channels/dingtalk/dingtalk.go
@@ -183,7 +183,7 @@ func (c *DingTalkChannel) recoverConnection() {
 	for {
 		select {
 		case <-c.ctx.Done():
-			logger.InfoC("dingtalk", "Recovery aborted: context cancelled")
+			logger.InfoC("dingtalk", "Recovery aborted: context canceled")
 			return
 		default:
 		}