修改配置文件

robot-trans-manager/src/main/java/com/mortals/xhx/webflux/service/impl/BaseChatService.java

@@ -4,6 +4,7 @@ package com.mortals.xhx.webflux.service.impl;
 import cn.hutool.core.util.StrUtil;
 import com.alibaba.fastjson.JSONArray;
 import com.alibaba.fastjson.JSONObject;
+import com.alibaba.fastjson.serializer.SerializerFeature;
 import com.fasterxml.jackson.databind.JsonNode;
 import com.fasterxml.jackson.databind.node.ObjectNode;
 import com.mortals.xhx.webflux.common.JsonUtils;
@@ -140,7 +141,7 @@ public class BaseChatService extends AbstractFlowChatTemplate {
 
         }
 
-        return bodyJson.toJSONString();
+        return bodyJson.toJSONString(SerializerFeature.WriteMapNullValue);
     }
 
     @Override