diff --git a/controller/relay-baidu.go b/controller/relay-baidu.go
index ad20d6d6..39f31a9a 100644
--- a/controller/relay-baidu.go
+++ b/controller/relay-baidu.go
@@ -215,9 +215,11 @@ func baiduStreamHandler(c *gin.Context, resp *http.Response) (*OpenAIErrorWithSt
 				common.SysError("error unmarshalling stream response: " + err.Error())
 				return true
 			}
-			usage.PromptTokens += baiduResponse.Usage.PromptTokens
-			usage.CompletionTokens += baiduResponse.Usage.CompletionTokens
-			usage.TotalTokens += baiduResponse.Usage.TotalTokens
+			if baiduResponse.Usage.TotalTokens != 0 {
+				usage.TotalTokens = baiduResponse.Usage.TotalTokens
+				usage.PromptTokens = baiduResponse.Usage.PromptTokens
+				usage.CompletionTokens = baiduResponse.Usage.TotalTokens - baiduResponse.Usage.PromptTokens
+			}
 			response := streamResponseBaidu2OpenAI(&baiduResponse)
 			jsonResponse, err := json.Marshal(response)
 			if err != nil {