增加了注释

General/utils/CollectionsUtils.cs

@@ -7,12 +7,20 @@ using System.Threading.Tasks;
 
 namespace Soul2.General.utils {
     public class CollectionsUtils {
-
+        /// <summary>
+        /// 判断非空
+        /// </summary>
+        /// <param name="collection">集合对象</param>
+        /// <returns>是否非空</returns>
         public static bool isNotEmpty(IEnumerable collection) {
             return !isEmpty(collection);
         }
 
-
+        /// <summary>
+        /// 判断为空
+        /// </summary>
+        /// <param name="collection">集合对象</param>
+        /// <returns>是否为空</returns>
         public static bool isEmpty(IEnumerable collection) {
             if (collection == null) {
                 return true;