diff --git a/demo/test/test-nested.yaml b/demo/test/test-nested.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..c74124355f3ef219b652d3dd38ca5fecb5a6d207
--- /dev/null
+++ b/demo/test/test-nested.yaml
@@ -0,0 +1,11 @@
+title:
+desc:
+author:
+version: 1.0
+
+fields:
+
+  - field: part1
+    range: A-C,nested1.yaml{3}
+    prefix: ""
+    postfix: ""
diff --git a/demo/test/nested1.yaml b/demo/test/test-nested1.yaml
similarity index 60%
rename from demo/test/nested1.yaml
rename to demo/test/test-nested1.yaml
index 7225727e9058e80050a280fed63f0268b349d77c..ca307ae63f16d85866e4b33c1b25c31df23a4841 100644
--- a/demo/test/nested1.yaml
+++ b/demo/test/test-nested1.yaml
@@ -4,9 +4,9 @@ author: zentao
 version: 1.0
 
 fields:
-  - field: test0
+  - field: part1
     range: 1-9
     postfix: ";\t"
 
-  - field: test1
-    range: a-c,nested2.yaml{2}
\ No newline at end of file
+  - field: part2
+    range: x-z,nested2.yaml{2}
\ No newline at end of file
diff --git a/demo/test/nested2.yaml b/demo/test/test-nested2.yaml
similarity index 75%
rename from demo/test/nested2.yaml
rename to demo/test/test-nested2.yaml
index d369ab914fe8e2ffc1da1db3cff9bd993ca102e3..d9c53d0c49dd30b2fd29564a27e487de11073370 100644
--- a/demo/test/nested2.yaml
+++ b/demo/test/test-nested2.yaml
@@ -4,7 +4,7 @@ author: zentao
 version: 1.0
 
 fields:
-  - field: test0
+  - field: part1
     range: 1-9
     loop: 2-3
     loopfix: "|"
diff --git a/demo/test/test.yaml b/demo/test/test.yaml
deleted file mode 100644
index f0eb1572b3ce451eb004c109826b50bdbfae36b3..0000000000000000000000000000000000000000
--- a/demo/test/test.yaml
+++ /dev/null
@@ -1,70 +0,0 @@
-title:
-desc:
-author:
-version: 1.0
-
-fields:
-
-  - field: WC_ID                 # 默认的列表类型，通过逗号隔成若干区段。
-    range: 0-9:R                        # 从0-9随机生成，通过R属性
-    prefix: 1                           # 前缀
-    loop: 9                             # 循环9次
-    loopfix: ""                         # 分割符
-    postfix: "\t"                       # 后缀
-
-  - instance: name
-    note: name
-    prefix:
-    fields:
-      - field: name.part1
-        from: name.cn.family.v1
-        select: name
-        postfix: ""
-      - field: name.part2
-        from: name.cn.given.v1
-        select: name
-        postfix: "\t"
-
-  - field: WC_SEX
-    range: sex.txt:R
-    postfix: "\t"
-
-  - field: WC_COUNTRY
-    from: address.cn.v1.china
-    select: country
-    postfix: "\t"
-
-  - field: part3                      # 默认的列表类型，通过逗号隔成若干区段。
-    range: 0-9:R                        # 从0-9随机生成，通过R随机属性
-    prefix: 33                          # 前缀
-    loop: 4                            # 循环9次
-    loopfix: ""                         # 分割符
-
-  - field: field_common1
-    range: 19-20:R
-    format: "%02d"
-  # postfix: "\t"
-
-  - field: field_common2
-    range: 0-20:R
-    format: "%02d"
-
-  - field: field_common3
-    range: 1-12:R
-    format: "%02d"
-
-  - field: field_common4
-    range: 1-31:R
-    format: "%02d"
-
-  - field: field_common5
-    range: 0-9999:R
-    format: "%04d"
-    postfix: "\t"
-
-  - field: field_use_excel              # 从excel数据源里面取数据。
-    from: address.cn.v1.china           # 从data/system/address/v1.xlsx文件中读取名为china的工作簿。
-    select: city                        # 查询city字段。
-    where: state like '%浙江%'           # 条件是省份包含浙江。
-
-