diff --git a/database/t_base.go b/database/t_base.go
index c650cf3..257abae 100644
--- a/database/t_base.go
+++ b/database/t_base.go
@@ -7,13 +7,13 @@ var (
 	_ TBase = (*encodings.StringInt)(nil)
 	_ TBase = (*encodings.StringEmb)(nil)
 
-	_ TList = (*encodings.ListLinkedList)(nil)
+	_ TBase = (*encodings.ListLinkedList)(nil)
 
-	_ THash = (*encodings.HashDict)(nil)
+	_ TBase = (*encodings.HashDict)(nil)
 
-	_ TSet = (*encodings.HashSet)(nil)
+	_ TBase = (*encodings.HashSet)(nil)
 
-	_ TZSet = (*encodings.SortedSet)(nil)
+	_ TBase = (*encodings.SortedSet)(nil)
 )
 
 type TBase interface {
diff --git a/database/t_hash.go b/database/t_hash.go
index b60641b..3f63836 100644
--- a/database/t_hash.go
+++ b/database/t_hash.go
@@ -5,6 +5,7 @@ import (
 )
 
 var (
+	// hash对象的实现方式
 	_ THash = (*encodings.HashDict)(nil)
 )
 
diff --git a/database/t_list.go b/database/t_list.go
index 247ca36..e3e2a3d 100644
--- a/database/t_list.go
+++ b/database/t_list.go
@@ -3,6 +3,7 @@ package database
 import "redis_go/encodings"
 
 var (
+	// list对象的实现方式
 	_ TList = (*encodings.ListLinkedList)(nil)
 )
 
diff --git a/database/t_set.go b/database/t_set.go
index ff506a6..1825e87 100644
--- a/database/t_set.go
+++ b/database/t_set.go
@@ -3,6 +3,7 @@ package database
 import "redis_go/encodings"
 
 var (
+	// set对象的实现方式
 	_ TSet = (*encodings.HashSet)(nil)
 )
 
diff --git a/database/t_string.go b/database/t_string.go
index 353dfab..e69fd7b 100644
--- a/database/t_string.go
+++ b/database/t_string.go
@@ -5,6 +5,7 @@ import (
 )
 
 var (
+	// string对象的三种实现方式
 	_ TString = (*encodings.StringRaw)(nil)
 	_ TString = (*encodings.StringInt)(nil)
 	_ TString = (*encodings.StringEmb)(nil)
diff --git a/database/t_zset.go b/database/t_zset.go
index a5dab35..6187c2f 100644
--- a/database/t_zset.go
+++ b/database/t_zset.go
@@ -3,6 +3,7 @@ package database
 import "redis_go/encodings"
 
 var (
+	// zset对象的实现方式
 	_ TZSet = (*encodings.SortedSet)(nil)
 )