diff --git a/CMakeLists.txt b/CMakeLists.txt
index cb62f35..a22c791 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -12,9 +12,7 @@ include_directories(
     ${PROJECT_SOURCE_DIR}/include/
 )
 
-add_subdirectory(lib)
+aux_source_directory(./src SRC)
 
 # 产生可执行文件
-add_executable(bus main.c)
-
-target_link_libraries(bus bus_lib)
\ No newline at end of file
+add_executable(bus main.c ${SRC})
\ No newline at end of file
diff --git a/include/bus.h b/include/bus.h
new file mode 100644
index 0000000..431b541
--- /dev/null
+++ b/include/bus.h
@@ -0,0 +1,22 @@
+#ifndef AUTO_PILOT_BUS_BUS_H
+#define AUTO_PILOT_BUS_BUS_H
+
+#include "rail.h"
+
+struct {
+    /**
+     * 指向站点的指针
+     */
+    rail_node_t* rail_node_pos;
+    /**
+     * 当前行进的距离
+     */
+    int distance;
+} bus;
+
+/**
+ * 表示公交车的结构体
+ */
+typedef struct bus bus_t;
+
+#endif //AUTO_PILOT_BUS_BUS_H
diff --git a/include/example.h b/include/example.h
deleted file mode 100644
index 2a6d781..0000000
--- a/include/example.h
+++ /dev/null
@@ -1,11 +0,0 @@
-//
-// Created by ricardo on 2022/4/29.
-//
-
-#ifndef AUTO_PILOT_BUS_EXAMPLE_H
-#define AUTO_PILOT_BUS_EXAMPLE_H
-
-#include "stdio.h"
-
-void print(char* str);
-#endif //AUTO_PILOT_BUS_EXAMPLE_H
diff --git a/include/rail.h b/include/rail.h
new file mode 100644
index 0000000..d49e0a6
--- /dev/null
+++ b/include/rail.h
@@ -0,0 +1,32 @@
+#ifndef AUTO_PILOT_BUS_RAIL_H
+#define AUTO_PILOT_BUS_RAIL_H
+
+struct {
+    /**
+     * 站点的编号
+     */
+    int id;
+    /**
+     * 距离上一个站点的距离
+     */
+    int last_node_distance;
+    /**
+     * 距离下一个站点的距离
+     */
+    int next_node_distance;
+    /**
+     * 指向上一个站点的指针
+     */
+    struct rail_node* last_node;
+    /**
+     * 指向下一个站点的指针
+     */
+    struct rail_node* next_node;
+} rail_node;
+
+/**
+ * 表示轨道上的一个站点的结构体
+ */
+typedef struct rail_node rail_node_t;
+
+#endif //AUTO_PILOT_BUS_RAIL_H
diff --git a/lib/CMakeLists.txt b/lib/CMakeLists.txt
deleted file mode 100644
index 26097d7..0000000
--- a/lib/CMakeLists.txt
+++ /dev/null
@@ -1,5 +0,0 @@
-aux_source_directory(. LIB_SRCS)
-
-include_directories(../include)
-
-add_library(bus_lib ${LIB_SRCS})
\ No newline at end of file
diff --git a/lib/example.c b/lib/example.c
deleted file mode 100644
index 54f8b65..0000000
--- a/lib/example.c
+++ /dev/null
@@ -1,14 +0,0 @@
-//
-// Created by ricardo on 2022/4/29.
-//
-#include "example.h"
-
-/**
- * @brief 在stdin打印一个字符串
- * 
- * @param str 指向需要打印的字符串指针
- */
-void print(char* str)
-{
-    printf("%s", str);
-}
\ No newline at end of file
diff --git a/main.c b/main.c
index dc1bddf..0c598dd 100644
--- a/main.c
+++ b/main.c
@@ -1,4 +1,4 @@
-#include "example.h"
+#include "stdio.h"
 
 /**
  * @brief 程序的主函数
@@ -7,11 +7,6 @@
  */
 int main()
 {
-    /**
-     * @brief 需要输出的字符串
-     * 
-     */
-    char* string = "Good morning!\n";
-    print(string);
+    printf("同志们加油啊，不然要寄啦！\n");
     return 0;
 }
\ No newline at end of file
diff --git a/src/bus.c b/src/bus.c
new file mode 100644
index 0000000..f47b66b
--- /dev/null
+++ b/src/bus.c
@@ -0,0 +1 @@
+#include "bus.h"
\ No newline at end of file
diff --git a/src/rail.c b/src/rail.c
new file mode 100644
index 0000000..025011d
--- /dev/null
+++ b/src/rail.c
@@ -0,0 +1 @@
+#include "rail.h"
\ No newline at end of file