修复信用证安全查询缺陷

src/main/java/org/sss/presentation/noui/util/DataSecurityUtil.java

@@ -253,6 +253,9 @@ public class DataSecurityUtil {
         }
         List<String> lst = Arrays.asList(pars);
         String md5 = String.join(",", lst);
+        if(md5.endsWith(",")){
+            md5=md5.substring(0,md5.length()-1);
+        }
         return md5;
     }