fix: changeoptional field to pointer type (#1907)

* fix:修复在渠道配置中设置模型重定向时，temperature为0被忽略的问题

* fix: set optional fields to pointer type

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Co-authored-by: JustSong <songquanpeng@foxmail.com>

relay/adaptor/tencent/main.go

@@ -39,8 +39,8 @@ func ConvertRequest(request model.GeneralOpenAIRequest) *ChatRequest {
 		Model:       &request.Model,
 		Stream:      &request.Stream,
 		Messages:    messages,
-		TopP:        &request.TopP,
-		Temperature: &request.Temperature,
+		TopP:        request.TopP,
+		Temperature: request.Temperature,
 	}
 }