*）增加JSON空值显示

amos-boot-biz-common/src/main/java/com/yeejoin/amos/boot/biz/common/utils/RuleUtils.java

 package com.yeejoin.amos.boot.biz.common.utils;
 
 import com.alibaba.fastjson.JSON;
+import com.alibaba.fastjson.serializer.SerializerFeature;
 import org.typroject.tyboot.core.foundation.utils.ValidationUtil;
 
 import java.util.Map;
@@ -13,7 +14,7 @@ import java.util.Map;
 public class RuleUtils {
 
     public static String instedParams(String content, Object msgObj) {
-        Map<String, Object> strengthMap = JSON.parseObject(JSON.toJSONString(msgObj), Map.class);
+        Map<String, Object> strengthMap = JSON.parseObject(JSON.toJSONString(msgObj, SerializerFeature.WriteMapNullValue), Map.class);
         for (String key : strengthMap.keySet())
             content = content.replaceAll("\\$\\{" + key + "}", String.valueOf(ValidationUtil.isEmpty(strengthMap.get(key)) ? "" : strengthMap.get(key)));
         return content;