尝试合并，所有代码需要调整from后文件路径。

main.py

@@ -1,11 +1,22 @@
-from fastapi import FastAPI
+from fastapi import FastAPI,APIRouter
+from class_management.main import Classes_API
+from scores.main import Scores_API
+from stu_jiuye.main import Shtudent_Jiuye
+from students.main import Students_API
+from Teachers.main import Teachers_API
 
-app = FastAPI()
+app = FastAPI(title="学生管理系统")
+
+app.include_router(Classes_API,tags=["classes"])
+app.include_router(Scores_API,tags=["scores"])
+app.include_router(Shtudent_Jiuye,tags=["Employments"])
+app.include_router(Students_API,tags=["students"])
+app.include_router(Teachers_API,tags=["teachers"])
 
-@app.get("/")
 def main():
     print("Hello from student-manage-system!")
 
 
 if __name__ == "__main__":
-    main()
+    import uvicorn
+    uvicorn.run("main:app", host="0.0.0.0", port=59000)