修改报错提示异常信息；日期类返回yyyy-mm格式字符串

src/main/java/com/sfa/common/core/enums/ECode.java

@@ -57,6 +57,7 @@ public enum ECode implements StatusCode {
     SENT_ISNULL_ERROR(2004, "物流单异常，未找到；"),
     SENT_NO_QUERY_COUNT_ERROR(2005, "查询次数过多，每小时只能查询5次；"),
     KYE_ORDER_TRACE_API_ERROR(2006, "请求跨越物流轨迹接口返回异常；"),
+    KYE_ORDER_QUERY_ERROR(2007, "获取跨越运单信息失败；"),
 
     ;
     private int code;

src/main/java/com/sfa/common/core/utils/DateUtils.java

@@ -50,6 +50,14 @@ public class DateUtils extends org.apache.commons.lang3.time.DateUtils {
     public static String getDate() {
         return dateTimeNow(YYYY_MM_DD);
     }
+    /**
+     * 获取当前日期, 默认格式为yyyy-MM-dd
+     *
+     * @return String
+     */
+    public static String getYearMonth() {
+        return dateTimeNow(YYYY_MM);
+    }
 
     public static final String getTime() {
         return dateTimeNow(YYYY_MM_DD_HH_MM_SS);