diff --git a/RedisStudyTest/RedisListStudyTest.cs b/RedisStudyTest/RedisListStudyTest.cs
index 357b5db..75fc936 100644
--- a/RedisStudyTest/RedisListStudyTest.cs
+++ b/RedisStudyTest/RedisListStudyTest.cs
@@ -78,13 +78,96 @@ namespace RedisStudyTest
         }
         #endregion
 
-        #region
+        #region ListInsertBefore
+        /// <summary>
+        /// Key不存在时，不执行操作，返回0
+        /// </summary>
         [Fact]
-        public void Test()
+        public void ListInsertBeforeNotKeyTest()
         {
             var listLenth = redisListStudy.ListInsertBefore(defaultRedisKey, "first", "firstBefore");
             Assert.Equal(0, listLenth);
         }
+
+        /// <summary>
+        /// 未找到指定参照值时,返回 -1
+        /// </summary>
+        [Fact]
+        public void ListInsertBeforeNotPivotTest()
+        {
+            redisListStudy.ListLeftPush(defaultRedisKey, "second");
+
+            var listLenth = redisListStudy.ListInsertBefore(defaultRedisKey, "first", "firstBefore");
+            Assert.Equal(-1, listLenth);
+        }
+
+        [Fact]
+        public void ListInsertBeforeTest()
+        {
+            redisListStudy.ListLeftPush(defaultRedisKey, "third");
+
+            var listLenth = redisListStudy.ListInsertBefore(defaultRedisKey, "third", "second");
+            Assert.Equal(2, listLenth);
+
+            listLenth = redisListStudy.ListInsertBefore(defaultRedisKey, "second", "first");
+            Assert.Equal(3, listLenth);
+        }
+        #endregion
+
+        #region ListInsertAfter
+        /// <summary>
+        /// Key不存在时，不执行操作，返回0
+        /// </summary>
+        [Fact]
+        public void ListInsertAfterNotKeyTest()
+        {
+            var listLenth = redisListStudy.ListInsertAfter(defaultRedisKey, "first", "firstAfter");
+            Assert.Equal(0, listLenth);
+        }
+
+        /// <summary>
+        /// 未找到指定参照值时,返回 -1
+        /// </summary>
+        [Fact]
+        public void ListInsertAfterNotPivotTest()
+        {
+            redisListStudy.ListLeftPush(defaultRedisKey, "second");
+
+            var listLenth = redisListStudy.ListInsertAfter(defaultRedisKey, "first", "firstAfter");
+            Assert.Equal(-1, listLenth);
+        }
+
+        [Fact]
+        public void ListInsertAfterTest()
+        {
+            redisListStudy.ListLeftPush(defaultRedisKey, "first");
+
+            var listLenth = redisListStudy.ListInsertAfter(defaultRedisKey, "first", "second");
+            Assert.Equal(2, listLenth);
+
+            listLenth = redisListStudy.ListInsertAfter(defaultRedisKey, "second", "third");
+            Assert.Equal(3, listLenth);
+        }
+        #endregion
+
+        #region ListSetByIndex
+        [Fact]
+        public void ListGetByIndexNotKeyTest()
+        {
+            Assert.Throws<RedisServerException>(() => redisListStudy.ListSetByIndex(defaultRedisKey, 0, "first"));
+        }
+
+        [Fact]
+        public void ListSetByIndexTest()
+        {
+            redisListStudy.ListLeftPush(defaultRedisKey, "first");
+
+            redisListStudy.ListSetByIndex(defaultRedisKey,0,"firstSetByIndex");
+
+            var first = redisListStudy.ListLeftPop(defaultRedisKey);
+
+            Assert.Equal("firstSetByIndex", first);
+        }
         #endregion
 
         #region 清理
diff --git a/RedisStuy/RedisListStudy.cs b/RedisStuy/RedisListStudy.cs
index 8ecfebb..1002d14 100644
--- a/RedisStuy/RedisListStudy.cs
+++ b/RedisStuy/RedisListStudy.cs
@@ -97,7 +97,7 @@ namespace RedisStuy
         /// </summary>
         /// <returns>
         /// 插入后,列表长度
-        /// 未找到指定key值时,返回 -1
+        /// 未找到指定参照值时,返回 -1
         /// </returns>
         public long ListInsertBefore(RedisKey key, RedisValue pivot, RedisValue value, CommandFlags flags = CommandFlags.None)
         {