refactor: 使用常量替换硬编码方法名并优化参数构建

- 在ServiceConstant中添加常用方法名常量
- 使用ParamUtils重构多处参数构建逻辑
- 统一QueryService中的方法名调用为常量
- 修复CompanyOldNameService中的字段别名问题

common/src/main/java/com/ecep/contract/constant/ServiceConstant.java

@@ -1,4 +1,9 @@
 package com.ecep.contract.constant;
 
 public class ServiceConstant {
+    public static final String COUNT_METHOD_NAME = "count";
+    public static final String FIND_ALL_METHOD_NAME = "findAll";
+    public static final String FIND_BY_ID_METHOD_NAME = "findById";
+    public static final String DELETE_METHOD_NAME = "delete";
+    public static final String SAVE_METHOD_NAME = "save";
 }