diff --git a/relay/channel/openai/adaptor.go b/relay/channel/openai/adaptor.go
index ea24d811..451ed408 100644
--- a/relay/channel/openai/adaptor.go
+++ b/relay/channel/openai/adaptor.go
@@ -159,9 +159,11 @@ func (a *Adaptor) ConvertOpenAIRequest(c *gin.Context, info *relaycommon.RelayIn
 	if info.ChannelType != common.ChannelTypeOpenAI && info.ChannelType != common.ChannelTypeAzure {
 		request.StreamOptions = nil
 	}
-	if info.ChannelType == common.ChannelTypeOpenRouter {
-		request.Usage = json.RawMessage("{\"include\": true}")
-	}
+if info.ChannelType == common.ChannelTypeOpenRouter {
+    if len(request.Usage) == 0 {
+        request.Usage = json.RawMessage(`{"include":true}`)
+    }
+}
 	if strings.HasPrefix(request.Model, "o") {
 		if request.MaxCompletionTokens == 0 && request.MaxTokens != 0 {
 			request.MaxCompletionTokens = request.MaxTokens