diff --git a/app/__init__.py b/app/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/mqtt_mock.py b/app/mqtt_mock.py
similarity index 100%
rename from mqtt_mock.py
rename to app/mqtt_mock.py
diff --git a/mqtt_sender.py b/app/mqtt_sender.py
similarity index 100%
rename from mqtt_sender.py
rename to app/mqtt_sender.py
diff --git a/mqtt_subscriber.py b/app/mqtt_subscriber.py
similarity index 100%
rename from mqtt_subscriber.py
rename to app/mqtt_subscriber.py
diff --git a/wits_sender.py b/app/wits_sender.py
similarity index 100%
rename from wits_sender.py
rename to app/wits_sender.py
diff --git a/data/wits_sample.txt b/data/wits_sample.txt
deleted file mode 100644
index d7985df..0000000
--- a/data/wits_sample.txt
+++ /dev/null
@@ -1,47 +0,0 @@
-&&
-01GJ-304-0088
-020
-030
-041
-0520250312.00
-6120000.00
-70
-80.00
-90.00
-100.00
-110.00
-120.00
-130.00
-140.00
-150.00
-160.00
-170.00
-180.00
-190.00
-200
-210.00
-220.00
-230
-240
-250
-260.00
-270.00
-280
-290.00
-300.00
-310.00
-320.00
-330.00
-340.00
-350.00
-360.00
-370
-380
-390.00
-400.00
-410.00
-420.00
-430.00
-440.00
-450.00
-!!
diff --git a/install.bat b/install.bat
deleted file mode 100644
index d2a62d3..0000000
--- a/install.bat
+++ /dev/null
@@ -1 +0,0 @@
-pip install pyyaml paho-mqtt
\ No newline at end of file
diff --git a/model/__init__.py b/model/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/requirements.md b/requirements.md
index f109e5b..9b25aec 100644
--- a/requirements.md
+++ b/requirements.md
@@ -18,4 +18,8 @@
 
 ## 要求
 
-程序启动入口main.py,使用logging记录日志。
\ No newline at end of file
+程序启动入口main.py,使用logging记录日志。
+
+将业务对象抽取到model包下。
+
+数据库实体放在model包下。
\ No newline at end of file