diff --git a/3.x/zh_CN/docs/design/contract_directory.md b/3.x/zh_CN/docs/design/contract_directory.md
index 1bac122b7..8bb8ac60d 100644
--- a/3.x/zh_CN/docs/design/contract_directory.md
+++ b/3.x/zh_CN/docs/design/contract_directory.md
@@ -30,9 +30,11 @@ FISCO BCOS 3.x版本引入区块链合约文件系统（Blockchain File System
       "code":0,
       "msg":"Success"
   }
+
+  [group0]: /> cd /apps
   
   # 直接对路径中合约的软链接进行调用
-  [group0]: /> call /apps/hello_bfs/v2 get
+  [group0]: /apps> call ./hello_bfs/v2 get
   ---------------------------------------------------------------------------------------------
   Return code: 0
   description: transaction executed successfully
@@ -43,7 +45,7 @@ FISCO BCOS 3.x版本引入区块链合约文件系统（Blockchain File System
   Return values:(Hello, World!)
   ---------------------------------------------------------------------------------------------
   # ls软链接可查看映射的地址
-  [group0]: /> ls /apps/hello_bfs/v2
+  [group0]: /> ls ./hello_bfs/v2
   v2 -> 6849f21d1e455e9f0712b1e99fa4fcd23758e8f1
   
   # 使用tree命令展示资源结构
@@ -149,17 +151,18 @@ BFS逻辑结构图如下所示，上部分为智能合约树形目录结构示
 
 ### 2.4 BFS存储表的存储内容
 
-BFS中的资源类型可以简单归类为目录资源、合约资源，其中合约资源又可分为普通合约、Table合约、预编译合约、合约软链接等。
+BFS中的资源类型可以简单归类为目录资源、合约资源，其中合约资源又可分为普通合约、Table合约、预编译合约、合约软链接等。下图展示了BFS所涉及的所有存储表：
 
-- 目录资源存储表中主要记录着目录路径下的子资源名、资源类型等数据，存储内容如下：
+![](../../images/design/bfs_data_structure.png)
 
-  | Key       | Value                                                    |
-  |-----------|----------------------------------------------------------|
-  | file_type | directory                                                |
-  | sub_dir   | { [{ "file_name": "table1", "file_type": "contract" }] } |
-  | ext       | (预留)                                                   |
+- 目录资源存储表中主要记录着目录路径下的子资源名、资源类型等数据，存储内容如下：
 
-  其中 `sub_dir`将用于 `list` 接口遍历该目录下的子资源
+  | name   | type      | status | acl_type    | acl_black | acl_white | extra |
+  |--------|-----------|--------|-------------|-----------|-----------|-------|
+  | apps   | directory | normal | black/white | {...}     | {...}     | ...   |
+  | tables | directory | normal | black/white | {...}     | {...}     | ...   |
+  | sys    | directory | normal | black/white | {...}     | {...}     | ...   |
+  | usr    | directory | normal | black/white | {...}     | {...}     | ...   |
 
 - 合约资源存储表中主要记录合约在执行时所需要的状态数据，下面将对合约资源的各种类型在存储表中的不同进行分别讨论
 
diff --git a/3.x/zh_CN/images/design/bfs_data_structure.png b/3.x/zh_CN/images/design/bfs_data_structure.png
new file mode 100644
index 000000000..909c0039d
Binary files /dev/null and b/3.x/zh_CN/images/design/bfs_data_structure.png differ
diff --git a/3.x/zh_CN/images/design/bfs_in_deploy.png b/3.x/zh_CN/images/design/bfs_in_deploy.png
index 7c176a056..33dddc3d5 100644
Binary files a/3.x/zh_CN/images/design/bfs_in_deploy.png and b/3.x/zh_CN/images/design/bfs_in_deploy.png differ
diff --git a/3.x/zh_CN/images/design/bfs_in_mkdir.png b/3.x/zh_CN/images/design/bfs_in_mkdir.png
index a282ebd3f..e51c2dc19 100644
Binary files a/3.x/zh_CN/images/design/bfs_in_mkdir.png and b/3.x/zh_CN/images/design/bfs_in_mkdir.png differ
diff --git a/3.x/zh_CN/images/design/bfs_in_system.png b/3.x/zh_CN/images/design/bfs_in_system.png
index 7816e830a..ee5801810 100644
Binary files a/3.x/zh_CN/images/design/bfs_in_system.png and b/3.x/zh_CN/images/design/bfs_in_system.png differ
diff --git a/3.x/zh_CN/images/design/bfs_logic_structure.png b/3.x/zh_CN/images/design/bfs_logic_structure.png
index cdbbb5b0d..808c8e263 100644
Binary files a/3.x/zh_CN/images/design/bfs_logic_structure.png and b/3.x/zh_CN/images/design/bfs_logic_structure.png differ