diff --git a/cloudapi-model/src/main/kotlin/cn/edu/buaa/scs/model/Host.kt b/cloudapi-model/src/main/kotlin/cn/edu/buaa/scs/model/Host.kt
new file mode 100644
index 0000000..103887f
--- /dev/null
+++ b/cloudapi-model/src/main/kotlin/cn/edu/buaa/scs/model/Host.kt
@@ -0,0 +1,13 @@
+package cn.edu.buaa.scs.model
+
+data class Host(
+    val ip: String,
+    val status: String,
+    val totalMem: Double,
+    val usedMem: Double,
+    val totalCPU: Double,
+    val usedCPU: Double,
+    val totalStorage: Long,
+    val usedStorage: Long,
+    val count: Int,
+)
diff --git a/cloudapi-web/src/main/kotlin/cn/edu/buaa/scs/controller/models/CreateUserRequest.kt b/cloudapi-web/src/main/kotlin/cn/edu/buaa/scs/controller/models/CreateUserRequest.kt
index b80d3d8..11aec03 100644
--- a/cloudapi-web/src/main/kotlin/cn/edu/buaa/scs/controller/models/CreateUserRequest.kt
+++ b/cloudapi-web/src/main/kotlin/cn/edu/buaa/scs/controller/models/CreateUserRequest.kt
@@ -14,13 +14,20 @@ package cn.edu.buaa.scs.controller.models
 
 /**
  * 
- * @param id 
+ * @param id 学工号
+ * @param departmentId 所在单位
  * @param role 1 for student, 2 for teacher, 4 for admin
+ * @param name 姓名
  */
 data class CreateUserRequest(
+    /* 学工号 */
     val id: kotlin.String,
+    /* 所在单位 */
+    val departmentId: kotlin.Int,
     /* 1 for student, 2 for teacher, 4 for admin */
-    val role: CreateUserRequest.Role
+    val role: CreateUserRequest.Role,
+    /* 姓名 */
+    val name: kotlin.String? = null
 ) 
 {
     /**
diff --git a/cloudapi-web/src/main/kotlin/cn/edu/buaa/scs/controller/models/DepartmentModel.kt b/cloudapi-web/src/main/kotlin/cn/edu/buaa/scs/controller/models/DepartmentModel.kt
new file mode 100644
index 0000000..32013c9
--- /dev/null
+++ b/cloudapi-web/src/main/kotlin/cn/edu/buaa/scs/controller/models/DepartmentModel.kt
@@ -0,0 +1,24 @@
+/**
+* cloudapi_v2
+* buaa scs cloud api v2
+*
+* The version of the OpenAPI document: 2.0
+* Contact: loheagn@icloud.com
+*
+* NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
+* https://openapi-generator.tech
+* Do not edit the class manually.
+*/
+package cn.edu.buaa.scs.controller.models
+
+
+/**
+ * 
+ * @param id 
+ * @param name 
+ */
+data class DepartmentModel(
+    val id: kotlin.String,
+    val name: kotlin.String
+) 
+
diff --git a/cloudapi-web/src/main/kotlin/cn/edu/buaa/scs/controller/models/Host.kt b/cloudapi-web/src/main/kotlin/cn/edu/buaa/scs/controller/models/Host.kt
new file mode 100644
index 0000000..6c82b32
--- /dev/null
+++ b/cloudapi-web/src/main/kotlin/cn/edu/buaa/scs/controller/models/Host.kt
@@ -0,0 +1,38 @@
+/**
+* cloudapi_v2
+* buaa scs cloud api v2
+*
+* The version of the OpenAPI document: 2.0
+* Contact: loheagn@icloud.com
+*
+* NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
+* https://openapi-generator.tech
+* Do not edit the class manually.
+*/
+package cn.edu.buaa.scs.controller.models
+
+
+/**
+ * 
+ * @param ip 
+ * @param status 
+ * @param totalMem 
+ * @param usedMem 
+ * @param totalCPU 
+ * @param usedCPU 
+ * @param totalStorage 
+ * @param usedStorage 
+ * @param count 
+ */
+data class Host(
+    val ip: kotlin.String,
+    val status: kotlin.String,
+    val totalMem: kotlin.Double,
+    val usedMem: kotlin.Double,
+    val totalCPU: kotlin.Double,
+    val usedCPU: kotlin.Double,
+    val totalStorage: kotlin.Long,
+    val usedStorage: kotlin.Long,
+    val count: kotlin.Int
+) 
+
diff --git a/cloudapi-web/src/main/kotlin/cn/edu/buaa/scs/controller/models/TermModel.kt b/cloudapi-web/src/main/kotlin/cn/edu/buaa/scs/controller/models/TermModel.kt
index 821399e..7ff3022 100644
--- a/cloudapi-web/src/main/kotlin/cn/edu/buaa/scs/controller/models/TermModel.kt
+++ b/cloudapi-web/src/main/kotlin/cn/edu/buaa/scs/controller/models/TermModel.kt
@@ -16,9 +16,13 @@ package cn.edu.buaa.scs.controller.models
  * 
  * @param id 
  * @param name 
+ * @param courseCount 
+ * @param expCount 
  */
 data class TermModel(
     val id: kotlin.Int? = null,
-    val name: kotlin.String? = null
+    val name: kotlin.String? = null,
+    val courseCount: kotlin.Int? = null,
+    val expCount: kotlin.Int? = null
 ) 
 
diff --git a/cloudapi-web/src/main/kotlin/cn/edu/buaa/scs/controller/models/TermsGetRequest.kt b/cloudapi-web/src/main/kotlin/cn/edu/buaa/scs/controller/models/TermsGetRequest.kt
new file mode 100644
index 0000000..a83ab27
--- /dev/null
+++ b/cloudapi-web/src/main/kotlin/cn/edu/buaa/scs/controller/models/TermsGetRequest.kt
@@ -0,0 +1,23 @@
+/**
+* cloudapi_v2
+* buaa scs cloud api v2
+*
+* The version of the OpenAPI document: 2.0
+* Contact: loheagn@icloud.com
+*
+* NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
+* https://openapi-generator.tech
+* Do not edit the class manually.
+*/
+package cn.edu.buaa.scs.controller.models
+
+
+/**
+ * 
+ * @param name 学期名称
+ */
+data class TermsGetRequest(
+    /* 学期名称 */
+    val name: kotlin.String? = null
+) 
+
diff --git a/cloudapi-web/src/main/kotlin/cn/edu/buaa/scs/route/Admin.kt b/cloudapi-web/src/main/kotlin/cn/edu/buaa/scs/route/Admin.kt
index d975bfa..3aac6c3 100644
--- a/cloudapi-web/src/main/kotlin/cn/edu/buaa/scs/route/Admin.kt
+++ b/cloudapi-web/src/main/kotlin/cn/edu/buaa/scs/route/Admin.kt
@@ -13,12 +13,13 @@ import io.ktor.server.routing.*
 
 fun Route.adminRoute() {
     route("/admin") {
-
         route("/user") {
             post {
                 val req = call.receive<CreateUserRequest>()
                 val role = UserRole.fromLevel(req.role.value)
-                call.respond(convertUserModel(call.admin.addUser(req.id, role)))
+                val name = req.name
+                val departmentId = req.departmentId
+                call.respond(convertUserModel(call.admin.addUser(req.id, name, role, departmentId)))
             }
         }
     }
diff --git a/cloudapi-web/src/main/kotlin/cn/edu/buaa/scs/route/Term.kt b/cloudapi-web/src/main/kotlin/cn/edu/buaa/scs/route/Term.kt
index 78081d1..31c59fb 100644
--- a/cloudapi-web/src/main/kotlin/cn/edu/buaa/scs/route/Term.kt
+++ b/cloudapi-web/src/main/kotlin/cn/edu/buaa/scs/route/Term.kt
@@ -1,21 +1,38 @@
 package cn.edu.buaa.scs.route
 
+import cn.edu.buaa.scs.controller.models.CreateUserRequest
 import cn.edu.buaa.scs.controller.models.TermModel
+import cn.edu.buaa.scs.error.BadRequestException
 import cn.edu.buaa.scs.model.Term
+import cn.edu.buaa.scs.model.UserRole
+import cn.edu.buaa.scs.service.admin
 import cn.edu.buaa.scs.service.term
 import io.ktor.server.application.*
+import io.ktor.server.request.*
 import io.ktor.server.response.*
 import io.ktor.server.routing.*
 
 fun Route.termRoute() {
     route("/terms") {
         get {
-            call.respond(call.term.getAllTerms().map { convertTermModel(it) })
+            call.respond(call.term.getAllTerms())
         }
 
         get("/latest") {
             call.respond(convertTermModel(call.term.getLatestTerm()))
         }
+
+        post {
+            val req = call.receive<TermModel>()
+            call.term.createTerm(req.name ?: "")
+            call.respond("OK")
+        }
+
+        delete("/{id}") {
+            val id = call.parameters["id"] ?: throw BadRequestException("学期 ID 不得为空")
+            call.term.deleteTerm(id.toInt())
+            call.respond("OK")
+        }
     }
 }
 
diff --git a/cloudapi-web/src/main/kotlin/cn/edu/buaa/scs/route/User.kt b/cloudapi-web/src/main/kotlin/cn/edu/buaa/scs/route/User.kt
index 0a7f766..22eeb19 100644
--- a/cloudapi-web/src/main/kotlin/cn/edu/buaa/scs/route/User.kt
+++ b/cloudapi-web/src/main/kotlin/cn/edu/buaa/scs/route/User.kt
@@ -25,7 +25,8 @@ fun Route.userRoute() {
     route("/stuffs") {
         get {
             val search = call.parameters["search"]
-            call.respond(call.userService.getTeachersAndStudents(search).map { convertUserModel(it) })
+            val limit = call.parameters["limit"]?.toIntOrNull() ?: 10
+            call.respond(call.userService.getTeachersAndStudents(search, limit).map { convertUserModel(it) })
         }
     }
 
@@ -54,6 +55,12 @@ fun Route.userRoute() {
         }
 
     }
+
+    route("/departments") {
+        get {
+            call.respond(call.userService.getAllDepartments())
+        }
+    }
 }
 
 internal fun convertUserModel(user: User): UserModel {
diff --git a/cloudapi-web/src/main/kotlin/cn/edu/buaa/scs/route/Vm.kt b/cloudapi-web/src/main/kotlin/cn/edu/buaa/scs/route/Vm.kt
index 5663b2f..c9441e9 100644
--- a/cloudapi-web/src/main/kotlin/cn/edu/buaa/scs/route/Vm.kt
+++ b/cloudapi-web/src/main/kotlin/cn/edu/buaa/scs/route/Vm.kt
@@ -79,6 +79,12 @@ fun Route.vmRoute() {
         }
     }
 
+    route("/hosts") {
+        get {
+            call.respond(call.vm.getHosts())
+        }
+    }
+
     route("/vms") {
         get {
             call.respond(call.vm.adminGetAllVms().map { convertVirtualMachineResponse(it) })
diff --git a/cloudapi-web/src/main/kotlin/cn/edu/buaa/scs/service/Admin.kt b/cloudapi-web/src/main/kotlin/cn/edu/buaa/scs/service/Admin.kt
index 3590d0e..5c85ddc 100644
--- a/cloudapi-web/src/main/kotlin/cn/edu/buaa/scs/service/Admin.kt
+++ b/cloudapi-web/src/main/kotlin/cn/edu/buaa/scs/service/Admin.kt
@@ -12,11 +12,11 @@ val ApplicationCall.admin: AdminService
 class AdminService(val call: ApplicationCall) : IService {
     companion object : IService.Caller<AdminService>()
 
-    fun addUser(id: String, role: UserRole): User {
+    fun addUser(id: String, name: String?, role: UserRole, departmentId: Int): User {
         if (!call.user().isAdmin()) {
             throw AuthorizationException("only admin can add user")
         }
 
-        return User.createNewUnActiveUser(id, null, role)
+        return User.createNewUnActiveUser(id, name, role, departmentId)
     }
 }
diff --git a/cloudapi-web/src/main/kotlin/cn/edu/buaa/scs/service/Course.kt b/cloudapi-web/src/main/kotlin/cn/edu/buaa/scs/service/Course.kt
index ca0f517..5fb431d 100644
--- a/cloudapi-web/src/main/kotlin/cn/edu/buaa/scs/service/Course.kt
+++ b/cloudapi-web/src/main/kotlin/cn/edu/buaa/scs/service/Course.kt
@@ -180,7 +180,7 @@ class CourseService(val call: ApplicationCall) : IService {
         // make sure students exist
         studentIdList.forEachAsync { studentId ->
             if (!mysql.users.exists { it.id.inList(studentId.lowerUpperNormal()) }) {
-                User.createNewUnActiveUser(studentId, null, UserRole.STUDENT)
+                User.createNewUnActiveUser(studentId, null, UserRole.STUDENT, 0)
             }
         }
 
diff --git a/cloudapi-web/src/main/kotlin/cn/edu/buaa/scs/service/Term.kt b/cloudapi-web/src/main/kotlin/cn/edu/buaa/scs/service/Term.kt
index fe37413..8de410e 100644
--- a/cloudapi-web/src/main/kotlin/cn/edu/buaa/scs/service/Term.kt
+++ b/cloudapi-web/src/main/kotlin/cn/edu/buaa/scs/service/Term.kt
@@ -1,15 +1,16 @@
 package cn.edu.buaa.scs.service
 
+import cn.edu.buaa.scs.controller.models.TermModel
 import cn.edu.buaa.scs.error.BusinessException
+import cn.edu.buaa.scs.model.Courses
+import cn.edu.buaa.scs.model.Experiments
 import cn.edu.buaa.scs.model.Term
 import cn.edu.buaa.scs.model.terms
 import cn.edu.buaa.scs.storage.mysql
 import io.ktor.server.application.*
-import org.ktorm.dsl.eq
-import org.ktorm.entity.find
-import org.ktorm.entity.first
-import org.ktorm.entity.sortedByDescending
-import org.ktorm.entity.toList
+import org.ktorm.database.asIterable
+import org.ktorm.dsl.*
+import org.ktorm.entity.*
 
 fun Term.Companion.id(id: Int): Term =
     mysql.terms.find { it.id eq id } ?: throw BusinessException("find term($id) from mysql error")
@@ -20,11 +21,43 @@ val ApplicationCall.term
 class TermService(val call: ApplicationCall) : IService {
     companion object : IService.Caller<TermService>()
 
-    fun getAllTerms(): List<Term> {
-        return mysql.terms.toList().sortedByDescending { it.id }
+    fun getAllTerms(): List<TermModel> {
+        val terms = mysql.useConnection { conn ->
+            val sql = """
+                select term.id, term.name, count(1), sum(c.exp_cnt)
+                from term left join (
+                    select c.id, c.term_id, count(1) exp_cnt
+                    from course c left join experiment e on c.id = e.course_id
+                    group by c.id
+                ) c on c.term_id=term.id
+                group by term.id
+                order by term.id desc
+            """.trimIndent()
+            conn.prepareStatement(sql).use { statement ->
+                statement.executeQuery().asIterable().map { TermModel(
+                    id = it.getInt(1),
+                    name = it.getString(2),
+                    courseCount = it.getInt(3),
+                    expCount = it.getInt(4),
+                ) }
+            }
+        }
+        return terms
     }
 
     fun getLatestTerm(): Term {
         return mysql.terms.sortedByDescending { it.id }.first()
     }
+
+    fun createTerm(name: String) {
+        val term = Term {
+            this.name = name
+        }
+        mysql.terms.add(term)
+    }
+
+    fun deleteTerm(id: Int) {
+        val term = mysql.terms.find { it.id.eq(id) } ?: return
+        term.delete()
+    }
 }
diff --git a/cloudapi-web/src/main/kotlin/cn/edu/buaa/scs/service/User.kt b/cloudapi-web/src/main/kotlin/cn/edu/buaa/scs/service/User.kt
index c770b54..984e791 100644
--- a/cloudapi-web/src/main/kotlin/cn/edu/buaa/scs/service/User.kt
+++ b/cloudapi-web/src/main/kotlin/cn/edu/buaa/scs/service/User.kt
@@ -1,6 +1,7 @@
 package cn.edu.buaa.scs.service
 
 import cn.edu.buaa.scs.controller.models.AssistantModel
+import cn.edu.buaa.scs.controller.models.DepartmentModel
 import cn.edu.buaa.scs.controller.models.PatchUserRequest
 import cn.edu.buaa.scs.error.AuthorizationException
 import cn.edu.buaa.scs.error.BadRequestException
@@ -22,11 +23,12 @@ fun User.Companion.getUerListByIdList(idList: List<String>): List<User> {
     else mysql.users.filter { it.id.inList(idList) }.toList()
 }
 
-fun User.Companion.createNewUnActiveUser(id: String, name: String?, role: UserRole): User {
+fun User.Companion.createNewUnActiveUser(id: String, name: String?, role: UserRole, departmentId: Int): User {
     val user = User {
         this.id = id
         this.name = name ?: "未激活用户"
         this.role = role
+        this.departmentId = departmentId
     }
     mysql.users.add(user)
     return user
@@ -58,18 +60,30 @@ class UserService(val call: ApplicationCall) : IService {
     fun getTeachersAndStudents(search: String?, limit: Int = 10): List<User> {
         if (call.user().isStudent()) return listOf()
 
-        if (search.isNullOrBlank()) return listOf()
-
-        var query = mysql.users
-            .filter {
-                (it.id.like("%$search%").or(it.name.like("%$search%")))
-                    .and((it.role eq UserRole.STUDENT).or(it.role eq UserRole.TEACHER))
+        val ret: List<User>
+        if (search.isNullOrBlank()) {
+            var query = mysql.users
+                .filter {
+                    (it.role eq UserRole.STUDENT).or(it.role eq UserRole.TEACHER)
+                }
+                .sortedBy { it.id }
+            if (limit != -1) {
+                query = query.take(limit)
             }
-            .sortedBy { it.id }
-        if (limit != -1) {
-            query = query.take(limit)
+            ret = query.toList()
+        } else {
+            var query = mysql.users
+                .filter {
+                    (it.id.like("%$search%").or(it.name.like("%$search%")))
+                        .and((it.role eq UserRole.STUDENT).or(it.role eq UserRole.TEACHER))
+                }
+                .sortedBy { it.id }
+            if (limit != -1) {
+                query = query.take(limit)
+            }
+            ret = query.toList()
         }
-        return query.toList()
+        return ret
     }
 
     fun patchUser(userId: String, req: PatchUserRequest) {
@@ -97,7 +111,8 @@ class UserService(val call: ApplicationCall) : IService {
         }
 
         val user = User.id(userId)
-        if (user.password != old) {
+        // 如果是管理员修改密码，无需检查旧密码
+        if (!call.user().isAdmin() && user.password != old) {
             throw BadRequestException("旧密码错误")
         }
         user.password = new
@@ -132,4 +147,13 @@ class UserService(val call: ApplicationCall) : IService {
             .flatten()
             .sortedByDescending { it.rawId }
     }
+
+    fun getAllDepartments(): List<DepartmentModel> {
+        return mysql.departments.map { department ->
+            DepartmentModel(
+                id = department.id,
+                name = department.name,
+            )
+        }
+    }
 }
diff --git a/cloudapi-web/src/main/kotlin/cn/edu/buaa/scs/service/Vm.kt b/cloudapi-web/src/main/kotlin/cn/edu/buaa/scs/service/Vm.kt
index dead026..aa766bf 100644
--- a/cloudapi-web/src/main/kotlin/cn/edu/buaa/scs/service/Vm.kt
+++ b/cloudapi-web/src/main/kotlin/cn/edu/buaa/scs/service/Vm.kt
@@ -50,6 +50,10 @@ class VmService(val call: ApplicationCall) : IService {
         vmKubeClient.resource(vm).patch()
     }
 
+    suspend fun getHosts(): List<Host> {
+        return sfClient.getHosts().getOrThrow()
+    }
+
     fun getPersonalVms(): List<VirtualMachineCrd> {
         val vmApplyList =
             mysql.vmApplyList.filter { ((it.studentId eq call.userId()) or (it.teacherId eq call.userId())) and (it.experimentId eq 0) }
diff --git a/cloudapi-web/src/main/kotlin/cn/edu/buaa/scs/vm/IVMClient.kt b/cloudapi-web/src/main/kotlin/cn/edu/buaa/scs/vm/IVMClient.kt
index d21c73c..76d7fc8 100644
--- a/cloudapi-web/src/main/kotlin/cn/edu/buaa/scs/vm/IVMClient.kt
+++ b/cloudapi-web/src/main/kotlin/cn/edu/buaa/scs/vm/IVMClient.kt
@@ -1,10 +1,13 @@
 package cn.edu.buaa.scs.vm
 
+import cn.edu.buaa.scs.model.Host
 import cn.edu.buaa.scs.model.VirtualMachine
 import cn.edu.buaa.scs.vm.sangfor.SangforClient
 import cn.edu.buaa.scs.vm.vcenter.VCenterClient
 
 interface IVMClient {
+    suspend fun getHosts(): Result<List<Host>>
+
     suspend fun getAllVMs(): Result<List<VirtualMachine>>
 
     suspend fun getVM(uuid: String): Result<VirtualMachine>
diff --git a/cloudapi-web/src/main/kotlin/cn/edu/buaa/scs/vm/sangfor/SangforClient.kt b/cloudapi-web/src/main/kotlin/cn/edu/buaa/scs/vm/sangfor/SangforClient.kt
index 8b555ba..f7415e1 100644
--- a/cloudapi-web/src/main/kotlin/cn/edu/buaa/scs/vm/sangfor/SangforClient.kt
+++ b/cloudapi-web/src/main/kotlin/cn/edu/buaa/scs/vm/sangfor/SangforClient.kt
@@ -4,6 +4,7 @@ import cn.edu.buaa.scs.application
 import cn.edu.buaa.scs.cache.authRedis
 
 import cn.edu.buaa.scs.error.NotFoundException
+import cn.edu.buaa.scs.model.Host
 import cn.edu.buaa.scs.model.VirtualMachine
 import cn.edu.buaa.scs.model.applySangforExtraInfo
 import cn.edu.buaa.scs.utils.getConfigString
@@ -32,6 +33,7 @@ import javax.net.ssl.X509TrustManager
 object SangforClient : IVMClient {
     val username = application.getConfigString("vm.sangfor.username")
     val password = application.getConfigString("vm.sangfor.password")
+    val adminPassword = application.getConfigString("vm.sangfor.adminPassword")
     private val tokenLock = Mutex()
     private val createLock = Mutex()
 
@@ -59,16 +61,16 @@ object SangforClient : IVMClient {
         }
     }
 
-    suspend fun connect(): String {
+    private suspend fun connect(user: String, password: String): String {
         val response = client.post("openstack/identity/v2.0/tokens") {
             contentType(ContentType.Application.Json)
             setBody(
                 """
                 {
                     "auth": {
-                        "tenantName": "$username",
+                        "tenantName": "$user",
                         "passwordCredentials": {
-                            "username": "$username",
+                            "username": "$user",
                             "password": "$password"
                         }
                     }
@@ -80,7 +82,7 @@ object SangforClient : IVMClient {
         return jsonMapper.readTree(body).get("access").get("token").get("id").toString().split('"')[1]
     }
 
-    suspend fun fetchTicket(token: String): Token {
+    private suspend fun fetchTicket(token: String): Token {
         val resBody: String = client.get("summary") {
             header("Cookie", "aCMPAuthToken=$token")
         }.body()
@@ -89,13 +91,13 @@ object SangforClient : IVMClient {
         return Token(token, ticket, sid)
     }
 
-    suspend fun getToken(): Token {
+    private suspend fun getToken(): Token {
         tokenLock.lock()
         var token = authRedis.getValueByKey("sangfor_token")
         var ticket = authRedis.getValueByKey("sangfor_ticket") ?: ""
         var sid = authRedis.getValueByKey("sangfor_sid") ?: ""
         if (token == null) {
-            token = connect()
+            token = connect(username, password)
             authRedis.setExpireKey("sangfor_token", token, 3500)
             val tokenBody = fetchTicket(token)
             ticket = tokenBody.ticket
@@ -107,6 +109,59 @@ object SangforClient : IVMClient {
         return Token(token, ticket, sid)
     }
 
+    suspend fun getAdminToken(): Token {
+        tokenLock.lock()
+        var token = authRedis.getValueByKey("sangfor_admin_token")
+        var ticket = authRedis.getValueByKey("sangfor_admin_ticket") ?: ""
+        var sid = authRedis.getValueByKey("sangfor_admin_sid") ?: ""
+        if (token == null) {
+            token = connect("admin", adminPassword)
+            authRedis.setExpireKey("sangfor_admin_token", token, 3500)
+            val tokenBody = fetchTicket(token)
+            ticket = tokenBody.ticket
+            sid = tokenBody.sid
+            authRedis.setExpireKey("sangfor_admin_ticket", ticket, 4000)
+            authRedis.setExpireKey("sangfor_admin_sid", sid, 4000)
+        }
+        tokenLock.unlock()
+        return Token(token, ticket, sid)
+    }
+
+    override suspend fun getHosts(): Result<List<Host>> {
+        val token = getAdminToken().id
+        val clusterRes: String = client.get("admin/view/cluster-list") {
+            header("Cookie", "aCMPAuthToken=${token}")
+        }.body()
+        val clusters = jsonMapper.readTree(clusterRes)["data"]
+        val hostList = mutableListOf<Host>()
+        for (cluster in clusters) {
+            val cid = cluster["id"].toString().split('"')[1]
+            val hostRes: String = client.get("admin/view/host-list?cluster_id=$cid") {
+                header("Cookie", "aCMPAuthToken=${token}")
+            }.body()
+            val hosts = jsonMapper.readTree(hostRes)["data"]
+            for (hostJSON in hosts) {
+                val host = Host(
+                    ip = hostJSON["ip"].toString().split('"')[1],
+                    status = hostJSON["status"].toString().split('"')[1],
+                    totalMem = hostJSON["memory"]["total_mb"].doubleValue(),
+                    usedMem = hostJSON["memory"]["used_mb"].doubleValue(),
+                    totalCPU = hostJSON["cpu"]["total_mhz"].doubleValue(),
+                    usedCPU = hostJSON["cpu"]["used_mhz"].doubleValue(),
+                    totalStorage = if (hostJSON["disks"].size() != 0) {
+                        hostJSON["disks"].map {
+                            it["disk_size_byte"].longValue()
+                        }.reduce { s, s1 -> s + s1 }
+                    } else { 0 },
+                    usedStorage = 0L,
+                    count = hostJSON["count"].intValue(),
+                )
+                hostList.add(host)
+            }
+        }
+        return Result.success(hostList)
+    }
+
     override suspend fun getAllVMs(): Result<List<VirtualMachine>> {
         // Get all virtual machines
         val token = getToken().id
diff --git a/cloudapi-web/src/main/kotlin/cn/edu/buaa/scs/vm/vcenter/VCenterClient.kt b/cloudapi-web/src/main/kotlin/cn/edu/buaa/scs/vm/vcenter/VCenterClient.kt
index ef7527d..34acb48 100644
--- a/cloudapi-web/src/main/kotlin/cn/edu/buaa/scs/vm/vcenter/VCenterClient.kt
+++ b/cloudapi-web/src/main/kotlin/cn/edu/buaa/scs/vm/vcenter/VCenterClient.kt
@@ -2,6 +2,7 @@ package cn.edu.buaa.scs.vm.vcenter
 
 import cn.edu.buaa.scs.config.globalConfig
 import cn.edu.buaa.scs.error.NotFoundException
+import cn.edu.buaa.scs.model.Host
 import cn.edu.buaa.scs.model.VirtualMachine
 import cn.edu.buaa.scs.utils.HttpClientWrapper
 import cn.edu.buaa.scs.utils.schedule.waitForDone
@@ -38,6 +39,10 @@ object VCenterClient : IVMClient {
 
     private fun vmNotFound(uuid: String): NotFoundException = NotFoundException("virtualMachine($uuid) not found")
 
+    override suspend fun getHosts(): Result<List<Host>> {
+        TODO("Not yet implemented")
+    }
+
     override suspend fun getAllVMs(): Result<List<VirtualMachine>> = runCatching {
         client.get<List<VirtualMachine>>("/vms").getOrThrow()
     }
diff --git a/openapi/cloudapi_v2.yaml b/openapi/cloudapi_v2.yaml
index 73aef4c..101e1ed 100644
--- a/openapi/cloudapi_v2.yaml
+++ b/openapi/cloudapi_v2.yaml
@@ -1291,6 +1291,24 @@ paths:
       security:
         - Authorization: []
     parameters: []
+  /hosts:
+    get:
+      summary: 获取全部物理主机
+      tags:
+        - 虚拟机
+      responses:
+        '200':
+          description: OK
+          content:
+            application/json:
+              schema:
+                type: array
+                items:
+                  $ref: '#/components/schemas/Host'
+      operationId: get-hosts
+      description: 获取全部物理主机
+      security:
+        - Authorization: []
   /paasUser:
     post:
       summary: 在各个PaaS相关后端中创建用户
@@ -1868,6 +1886,24 @@ paths:
           in: query
           name: limit
           description: '-1表示无限制。默认为10'
+  /departments:
+    get:
+      summary: 获取单位列表
+      tags:
+        - 人员
+      responses:
+        '200':
+          description: OK
+          content:
+            application/json:
+              schema:
+                type: array
+                items:
+                  $ref: '#/components/schemas/DepartmentModel'
+      operationId: get-departments
+      description: 获取单位列表
+      security:
+        - Authorization: [ ]
   /resourcePools:
     parameters: []
     get:
@@ -2545,6 +2581,38 @@ paths:
       description: 获取所有学期
       security:
         - Authorization: []
+    post:
+      summary: 添加学期
+      tags:
+        - 学期
+      description: 添加新的学期
+      requestBody:
+        required: true
+        content:
+          application/json:
+            schema:
+              type: object
+              properties:
+                name:
+                  type: string
+                  description: 学期名称
+      responses:
+        '200':
+          description: 添加学期成功
+  '/terms/{id}':
+    delete:
+      summary: 删除学期
+      description: 删除特定学期
+      parameters:
+        - name: id
+          in: path
+          description: 要删除的学期 ID
+          required: true
+          schema:
+            type: string
+      responses:
+        '200':
+          description: 学期删除成功
   '/course/{courseId}/assistants':
     parameters:
       - schema:
@@ -3082,6 +3150,17 @@ components:
         - email
         - role
         - departmentName
+    DepartmentModel:
+      title: DepartmentModel
+      type: object
+      properties:
+        id:
+          type: string
+        name:
+          type: string
+      required:
+        - id
+        - name
     TermModel:
       title: TermModel
       type: object
@@ -3091,6 +3170,12 @@ components:
           format: int32
         name:
           type: string
+        courseCount:
+          type: integer
+          format: int32
+        expCount:
+          type: integer
+          format: int32
     ExpVmInfo:
       title: ExpVmInfo
       type: object
@@ -3524,6 +3609,45 @@ components:
         - diskNum
         - diskSize
         - overallStatus
+    Host:
+      title: Host
+      type: object
+      properties:
+        ip:
+          type: string
+        status:
+          type: string
+        totalMem:
+          type: number
+          format: double
+        usedMem:
+          type: number
+          format: double
+        totalCPU:
+          type: number
+          format: double
+        usedCPU:
+          type: number
+          format: double
+        totalStorage:
+          type: integer
+          format: int64
+        usedStorage:
+          type: integer
+          format: int64
+        count:
+          type: integer
+          format: int32
+      required:
+        - ip
+        - status
+        - totalMem
+        - usedMem
+        - totalCPU
+        - usedCPU
+        - totalStorage
+        - usedStorage
+        - count
     StatExpAssignmentResponseAssignments:
       title: StatExpAssignmentResponseAssignments
       type: object
@@ -4517,6 +4641,14 @@ components:
       properties:
         id:
           type: string
+          description: '学工号'
+        name:
+          type: string
+          description: '姓名'
+        departmentId:
+          type: integer
+          format: int32
+          description: '所在单位'
         role:
           type: integer
           format: int32
@@ -4528,6 +4660,7 @@ components:
       required:
         - id
         - role
+        - departmentId
     ActiveUserRequest:
       title: ActiveUserRequest
       x-stoplight:
diff --git a/vcenter/src/main/kotlin/cn/edu/buaa/scs/vcenter/VCenterRoute.kt b/vcenter/src/main/kotlin/cn/edu/buaa/scs/vcenter/VCenterRoute.kt
index b609725..fb6f4b2 100644
--- a/vcenter/src/main/kotlin/cn/edu/buaa/scs/vcenter/VCenterRoute.kt
+++ b/vcenter/src/main/kotlin/cn/edu/buaa/scs/vcenter/VCenterRoute.kt
@@ -21,6 +21,12 @@ fun Application.vcenterRouting() {
 
             }
 
+            route("/hosts") {
+                get {
+                    call.respond(VCenterWrapper.getHosts())
+                }
+            }
+
             route("/vm/{uuid}") {
                 fun ApplicationCall.getVmUuid() = parameters["uuid"]!!
 
diff --git a/vcenter/src/main/kotlin/cn/edu/buaa/scs/vcenter/VCenterWrapper.kt b/vcenter/src/main/kotlin/cn/edu/buaa/scs/vcenter/VCenterWrapper.kt
index a3269ec..cdeef06 100644
--- a/vcenter/src/main/kotlin/cn/edu/buaa/scs/vcenter/VCenterWrapper.kt
+++ b/vcenter/src/main/kotlin/cn/edu/buaa/scs/vcenter/VCenterWrapper.kt
@@ -8,6 +8,7 @@ import cn.edu.buaa.scs.utils.jsonMapper
 import cn.edu.buaa.scs.utils.logger
 import cn.edu.buaa.scs.vm.ConfigVmOptions
 import cn.edu.buaa.scs.vm.CreateVmOptions
+import cn.edu.buaa.scs.model.Host
 import com.fasterxml.jackson.module.kotlin.readValue
 import com.vmware.photon.controller.model.adapters.vsphere.util.connection.BasicConnection
 import com.vmware.photon.controller.model.adapters.vsphere.util.connection.Connection
@@ -118,6 +119,41 @@ object VCenterWrapper {
         }
     }
 
+    suspend fun getHosts(): List<Host> {
+        return baseSyncTask { connection ->
+            val datacenterRef = connection.getDatacenterRef()
+            val getMoRef = connection.getMoRef()
+            val hostList =
+                getMoRef.inContainerByType(datacenterRef, "HostSystem", arrayOf("name", "summary", "datastore", "vm"), RetrieveOptions())
+            hostList.map { (hostRef, hostProps) ->
+                val hostSummary = hostProps["summary"]!! as HostListSummary
+                val hostHardwareSummary = hostSummary.hardware
+                var usedMem = 0.0
+                var usedCPU = 0.0
+                if (hostSummary.runtime.connectionState === HostSystemConnectionState.CONNECTED) {
+                    usedMem = 1.0 * hostSummary.quickStats.overallMemoryUsage
+                    usedCPU = 1.0 * hostSummary.quickStats.overallCpuUsage
+                }
+                val dataStores = (hostProps["datastore"] as ArrayOfManagedObjectReference?)!!.managedObjectReference
+                val (usedStorage, totalStorage) = dataStores.map { getMoRef.entityProps(it, "summary")["summary"]!! as DatastoreSummary }
+                    .filter { it.isAccessible }
+                    .map { Pair(it.capacity - it.freeSpace, it.capacity) }
+                    .reduceOrNull { (a, b), (a1, b1) -> Pair(a + a1, b + b1) } ?: Pair(0L, 0L)
+                Host(
+                    ip = hostProps["name"]!! as String,
+                    status = hostSummary.runtime.connectionState.value(),
+                    totalMem = 1.0 * hostHardwareSummary.memorySize,
+                    usedMem = usedMem,
+                    totalCPU = 1.0 * hostHardwareSummary.cpuMhz * hostHardwareSummary.numCpuCores,
+                    usedCPU = usedCPU,
+                    totalStorage = totalStorage,
+                    usedStorage = usedStorage,
+                    count = (hostProps["vm"]!! as ArrayOfManagedObjectReference).managedObjectReference.size,
+                )
+            }
+        }.getOrThrow()
+    }
+
     suspend fun configVM(
         uuid: String,
         opt: ConfigVmOptions,