diff --git a/so/src/public/nc/vo/so/m30/util/HttpClmUtil.java b/so/src/public/nc/vo/so/m30/util/HttpClmUtil.java
index 9eddb90..3838903 100644
--- a/so/src/public/nc/vo/so/m30/util/HttpClmUtil.java
+++ b/so/src/public/nc/vo/so/m30/util/HttpClmUtil.java
@@ -1,6 +1,5 @@
 package nc.vo.so.m30.util;
 
-import com.alibaba.fastjson.JSONArray;
 import com.alibaba.fastjson.JSONObject;
 import com.google.gson.Gson;
 import com.yonyou.cloud.utils.StringUtils;
@@ -18,7 +17,10 @@ import java.net.URLEncoder;
 import java.nio.charset.StandardCharsets;
 import java.security.InvalidKeyException;
 import java.security.NoSuchAlgorithmException;
-import java.util.*;
+import java.util.Base64;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.TreeMap;
 
 /**
  * 请求合同平台接口的工具类