fix response BUG

src/main/java/com/gpt4/copilot/controller/ChatController.java

@@ -1416,7 +1416,7 @@ public class ChatController {
                                 String chat_message_id = resJson.getString("id");
                                 long timestamp = resJson.getLong("created");
                                 streamResponse.Choice choice = new streamResponse.Choice(0, new streamResponse.Delta(content), null);
-                                streamResponse streamResponse = new streamResponse(chat_message_id, "chat.completion.chunk", model, choice, timestamp);
+                                streamResponse streamResponse = new streamResponse(chat_message_id, model,"chat.completion.chunk", choice, timestamp);
                                 String tmpRes = "data: " + com.alibaba.fastjson.JSONObject.toJSONString(streamResponse) + "\n\n";
                                 out.print(tmpRes);
                                 out.flush();

src/main/java/com/gpt4/copilot/pojo/streamResponse.java

@@ -12,7 +12,7 @@ import lombok.NoArgsConstructor;
 @Data
 @NoArgsConstructor
 @AllArgsConstructor
-@JSONType(orders={"id","model","object","choices","created"})
+@JSONType(orders={"id","model","object","choice","created"})
 public class streamResponse {
     private String id;
     private String model;