diff --git a/RedisStudyTest/RedisSortedSetStudyTest.cs b/RedisStudyTest/RedisSortedSetStudyTest.cs
index 745d966..5dc3383 100644
--- a/RedisStudyTest/RedisSortedSetStudyTest.cs
+++ b/RedisStudyTest/RedisSortedSetStudyTest.cs
@@ -408,6 +408,23 @@ namespace RedisStudyTest
         }
         #endregion
 
+        #region SortedSetLengthByValue
+
+        [Fact]
+        public void SortedSetRangeByValue_NotKey_Test()
+        {
+            var mumbers = redisSortedSetStudy.SortedSetRangeByValue(defaultRedisKey, 0, -1);
+
+            Assert.Empty(mumbers);
+        }
+
+        [Fact]
+        public void SortedSetRangeByValueTest()
+        {
+
+        }
+        #endregion
+
         #region 清理
         public void Dispose()
         {