diff --git a/src/include/mhead.h b/src/include/ecp.h
similarity index 100%
rename from src/include/mhead.h
rename to src/include/ecp.h
diff --git a/src/main.cpp b/src/main.cpp
index 49a3739..6b31a63 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1,13 +1,13 @@
 //Preview, be careful
 
-#include "./include/mhead.h"
-#include "./part/calc.cpp"
-#include "./part/maxn.cpp"
-#include "./part/minn.cpp"
-#include "./part/chn.cpp"
-#include "./part/cg.cpp"
+#include "./include/ecp.h"
+#include "./plugins/calc.cpp"
+#include "./plugins/maxn.cpp"
+#include "./plugins/minn.cpp"
+#include "./plugins/chn.cpp"
+#include "./plugins/cg.cpp"
 
-//主函数
+// Main function
 int main(){
     clear();
     hy("集成数学工具");
diff --git a/src/part/calc.cpp b/src/plugins/calc.cpp
similarity index 100%
rename from src/part/calc.cpp
rename to src/plugins/calc.cpp
diff --git a/src/part/cg.cpp b/src/plugins/cg.cpp
similarity index 100%
rename from src/part/cg.cpp
rename to src/plugins/cg.cpp
diff --git a/src/part/chn.cpp b/src/plugins/chn.cpp
similarity index 100%
rename from src/part/chn.cpp
rename to src/plugins/chn.cpp
diff --git a/src/part/maxn.cpp b/src/plugins/maxn.cpp
similarity index 100%
rename from src/part/maxn.cpp
rename to src/plugins/maxn.cpp
diff --git a/src/part/minn.cpp b/src/plugins/minn.cpp
similarity index 100%
rename from src/part/minn.cpp
rename to src/plugins/minn.cpp