diff --git a/Falcon.SugarApi.Test/IEnumerableExtendTest.cs b/Falcon.SugarApi.Test/IEnumerableExtendTest.cs
index f491e38..c2626bb 100644
--- a/Falcon.SugarApi.Test/IEnumerableExtendTest.cs
+++ b/Falcon.SugarApi.Test/IEnumerableExtendTest.cs
@@ -24,8 +24,8 @@ namespace Falcon.SugarApi.Test
             Console.WriteLine($"ToDataTable转换，共用时{sw.ElapsedMilliseconds}毫秒");
             //测试表
             Assert.IsNotNull(r);
-            Assert.AreEqual(3, r.Columns.Count);
-            Assert.AreEqual(2, r.Rows.Count);
+            Assert.AreEqual(3,r.Columns.Count);
+            Assert.AreEqual(2,r.Rows.Count);
             //测试列
             var col1 = r.Columns[0];
             Assert.IsTrue(col1.ColumnName == "a");
@@ -57,8 +57,8 @@ namespace Falcon.SugarApi.Test
             Console.WriteLine($"ToDataTable<>转换，共用时{sw.ElapsedMilliseconds}毫秒");
             //测试表
             Assert.IsNotNull(r);
-            Assert.AreEqual(2, r.Columns.Count);
-            Assert.AreEqual(2, r.Rows.Count);
+            Assert.AreEqual(2,r.Columns.Count);
+            Assert.AreEqual(2,r.Rows.Count);
             //测试列
             col1 = r.Columns[0];
             Assert.IsTrue(col1.ColumnName == "id");
@@ -80,9 +80,11 @@ namespace Falcon.SugarApi.Test
 
         [TestMethod("Reduce测试")]
         public void ReduceTest() {
-            var list = new List<int> { 1, 2, 3, 4 };
-            var sum = list.Reduce((a, b) => a + b, 0);
-            Assert.IsTrue(sum == 10, "对数组求和错误");
+            var list = new List<int> { 1,2,3,4 };
+            var sum = list.Reduce((a,b) => a + b,0);
+            Assert.IsTrue(sum == 10,"对数组求和错误");
+            sum = list.Reduce(0,(a,b) => a + b);
+            Assert.IsTrue(sum == 10,"对数组求和错误");
 
             var people = new List<person> {
                 new person{ IsMan=true,age=30 },
@@ -90,22 +92,33 @@ namespace Falcon.SugarApi.Test
                 new person{ IsMan=true,age=50 },
                 new person{ IsMan=true,age=60 },
             };
-            var sumage = people.Reduce((a, b) => a + (b.IsMan ? b.age : 0), 0);
-            Assert.IsTrue(sumage == 30 + 50 + 60, "有条件求和错误");
+            var sumage = people.Reduce((a,b) => a + (b.IsMan ? b.age : 0),0);
+            Assert.IsTrue(sumage == 30 + 50 + 60,"有条件求和错误");
+            sumage = people.Reduce(0,(a,b) => b.IsMan ? a + b.age : a);
+            Assert.IsTrue(sumage == 30 + 50 + 60,"有条件求和错误");
 
-            var men = people.Reduce((a, b) => {
-                if (b.IsMan) {
+            var men = people.Reduce((a,b) => {
+                if(b.IsMan) {
                     a.Add(b);
                 }
                 return a;
-            }, new List<person>());
-            foreach (var p in men) {
-                Assert.IsTrue(p.IsMan, "缩减为男性集合错误！");
+            },new List<person>());
+            foreach(var p in men) {
+                Assert.IsTrue(p.IsMan,"缩减为男性集合错误！");
+            }
+            men = people.Reduce(new List<person>(),(a,b) => {
+                if(b.IsMan) {
+                    a.Add(b);
+                }
+                return a;
+            });
+            foreach(var p in men) {
+                Assert.IsTrue(p.IsMan,"缩减为男性集合错误！");
             }
 
             var arr = new string[] { };
-            var initVal = arr.Reduce((a, b) => throw new Exception("空集合不可以调用缩减方法"), "abc");
-            Assert.IsTrue(initVal == "abc", "空集合返回初始值，并且不调用缩减方法。");
+            var initVal = arr.Reduce((a,b) => throw new Exception("空集合不可以调用缩减方法"),"abc");
+            Assert.IsTrue(initVal == "abc","空集合返回初始值，并且不调用缩减方法。");
         }
     }
 
diff --git a/Falcon.SugarApi/IEnumerableExtend.cs b/Falcon.SugarApi/IEnumerableExtend.cs
index 5d92872..67c82ce 100644
--- a/Falcon.SugarApi/IEnumerableExtend.cs
+++ b/Falcon.SugarApi/IEnumerableExtend.cs
@@ -20,13 +20,13 @@ namespace Falcon.SugarApi
         public static DataTable ToDataTable(this IEnumerable<object> source) {
             _ = source ?? throw new ArgumentNullException(nameof(source));
             var dt = new DataTable();
-            if (source.Count() == 0) {
+            if(source.Count() == 0) {
                 return dt;
             }
-            for (int i = 0; i < source.Count(); i++) {
+            for(int i = 0;i < source.Count();i++) {
                 var item = source.ToArray()[i];
-                foreach (PropertyInfo pro in item.GetType().GetProperties()) {
-                    if (!dt.Columns.Contains(pro.Name)) {
+                foreach(PropertyInfo pro in item.GetType().GetProperties()) {
+                    if(!dt.Columns.Contains(pro.Name)) {
                         dt.Columns.Add(new DataColumn {
                             ColumnName = pro.Name,
                             DataType = pro.PropertyType,
@@ -34,16 +34,15 @@ namespace Falcon.SugarApi
                     }
                 }
             }
-            foreach (var i in source) {
+            foreach(var i in source) {
                 var row = dt.NewRow();
-                foreach (var p in i.GetType().GetProperties()) {
-                    if (p.CanRead) {
+                foreach(var p in i.GetType().GetProperties()) {
+                    if(p.CanRead) {
                         var val = p.GetValue(i);
                         try {
                             row[p.Name] = val;
-                        }
-                        catch (Exception ex) {
-                            throw new Exception($"值设置失败！{p.Name}:{val}", ex);
+                        } catch(Exception ex) {
+                            throw new Exception($"值设置失败！{p.Name}:{val}",ex);
                         }
                     }
                 }
@@ -64,18 +63,18 @@ namespace Falcon.SugarApi
             var type = typeof(T);
             var dt = new DataTable();
             var pros = typeof(T).GetProperties();
-            foreach (PropertyInfo p in pros) {
-                if (p.CanRead) {
+            foreach(PropertyInfo p in pros) {
+                if(p.CanRead) {
                     dt.Columns.Add(new DataColumn {
                         ColumnName = p.Name,
                         DataType = p.PropertyType,
                     });
                 }
             }
-            foreach (var i in source) {
+            foreach(var i in source) {
                 var row = dt.NewRow();
-                foreach (var p in pros) {
-                    if (p.CanRead) {
+                foreach(var p in pros) {
+                    if(p.CanRead) {
                         var val = p.GetValue(i);
                         row[p.Name] = val;
                     }
@@ -94,13 +93,33 @@ namespace Falcon.SugarApi
         /// <param name="reduceFunc">缩减方法</param>
         /// <param name="initialValue">缩减初始值</param>
         /// <returns>缩减结果</returns>
-        public static TR Reduce<T, TR>(this IEnumerable<T> source, Func<TR, T, TR> reduceFunc, TR initialValue) {
-            if (reduceFunc == null) {
+        public static TR Reduce<T, TR>(this IEnumerable<T> source,Func<TR,T,TR> reduceFunc,TR initialValue) {
+            if(reduceFunc == null) {
                 throw new ArgumentNullException(nameof(reduceFunc));
             }
             var result = initialValue;
-            foreach (var i in source) {
-                result = reduceFunc(result, i);
+            foreach(var i in source) {
+                result = reduceFunc(result,i);
+            }
+            return result;
+        }
+
+        /// <summary>
+        /// 对枚举进行缩减，并返回缩减后的结果。
+        /// </summary>
+        /// <typeparam name="T">枚举的类型</typeparam>
+        /// <typeparam name="TR">缩减结果类型</typeparam>
+        /// <param name="source">原枚举</param>
+        /// <param name="reduceFunc">缩减方法</param>
+        /// <param name="initialValue">缩减初始值</param>
+        /// <returns>缩减结果</returns>
+        public static TR Reduce<T, TR>(this IEnumerable<T> source,TR initialValue,Func<TR,T,TR> reduceFunc) {
+            if(reduceFunc == null) {
+                throw new ArgumentNullException(nameof(reduceFunc));
+            }
+            var result = initialValue;
+            foreach(var i in source) {
+                result = reduceFunc(result,i);
             }
             return result;
         }