diff --git a/buildDockerImage.ps1 b/buildDockerImage.ps1
index 961c114..1729867 100644
--- a/buildDockerImage.ps1
+++ b/buildDockerImage.ps1
@@ -5,4 +5,6 @@ java -Djarmode=layertools `
 extract --destination build/extracted
 
 docker build -f .\Dockerfile -t auto/aics_main:latest .
+echo 'saving...'
+docker save -o ..\docker\aics_main.tar auto/aics_main:latest
 pause
\ No newline at end of file
diff --git a/src/main/kotlin/cn/edu/hfut/auto/knowledge/controller/KnowledgeController.kt b/src/main/kotlin/cn/edu/hfut/auto/knowledge/controller/KnowledgeController.kt
index 9d40e7a..ddbac8b 100644
--- a/src/main/kotlin/cn/edu/hfut/auto/knowledge/controller/KnowledgeController.kt
+++ b/src/main/kotlin/cn/edu/hfut/auto/knowledge/controller/KnowledgeController.kt
@@ -4,26 +4,25 @@ import cn.dev33.satoken.annotation.SaCheckRole
 import cn.edu.hfut.auto.knowledge.config.COSClientWrapper
 import cn.edu.hfut.auto.knowledge.entity.*
 import cn.edu.hfut.auto.knowledge.entity.rpc.FileTicket
+import cn.edu.hfut.auto.knowledge.entity.vo.KnowledgeBriefVO
 import cn.edu.hfut.auto.knowledge.entity.vo.KnowledgeFileUploadVO
 import cn.edu.hfut.auto.knowledge.exception.BusinessError
 import cn.edu.hfut.auto.knowledge.exception.ErrorCode
 import cn.edu.hfut.auto.knowledge.repository.KnowledgeFileAttributeRepository
 import cn.edu.hfut.auto.knowledge.repository.KnowledgeRepository
 import cn.edu.hfut.auto.knowledge.util.fileSuffix
+import cn.edu.hfut.auto.knowledge.util.getLoginUser
+import com.fasterxml.jackson.databind.ObjectMapper
 import com.qcloud.cos.model.ciModel.job.DocHtmlRequest
 import kotlinx.coroutines.future.await
 import org.apache.kafka.common.KafkaException
 import org.babyfish.jimmer.kt.new
+import org.babyfish.jimmer.sql.kt.fetcher.newFetcher
 import org.springframework.kafka.core.KafkaTemplate
 import org.springframework.transaction.annotation.Transactional
-import org.springframework.web.bind.annotation.GetMapping
-import org.springframework.web.bind.annotation.PathVariable
-import org.springframework.web.bind.annotation.PostMapping
-import org.springframework.web.bind.annotation.RequestBody
-import org.springframework.web.bind.annotation.RequestMapping
-import org.springframework.web.bind.annotation.RestController
+import org.springframework.web.bind.annotation.*
 import java.time.LocalDateTime
-import java.util.UUID
+import java.util.*
 
 const val UPLOAD_FILE_TOPIC = "upload_file"
 
@@ -33,7 +32,8 @@ class KnowledgeController(
     private val kafkaTemplate: KafkaTemplate<String, Any?>,
     private val knowledgeRepository: KnowledgeRepository,
     private val knowledgeFileAttributeRepository: KnowledgeFileAttributeRepository,
-    private val cosClientWrapper: COSClientWrapper
+    private val cosClientWrapper: COSClientWrapper,
+    private val objectMapper: ObjectMapper
 ) {
 
     @GetMapping("/{knowledgeId}")
@@ -100,4 +100,54 @@ class KnowledgeController(
             }
             ?: throw BusinessError(ErrorCode.RESOURCE_NOT_FOUND)
     }
+
+    @PostMapping
+    suspend fun createNewKnowledgeFolder(@RequestBody vo: KnowledgeBriefVO) {
+        knowledgeRepository.insert(new(Knowledge::class).by {
+            name = vo.name
+            vo.parentId?.let {
+                parent().apply {
+                    id = it
+                }
+            }
+        })
+    }
+
+    @PutMapping("/{knowledgeId}")
+    suspend fun updateKnowledgeStructure(@PathVariable knowledgeId: UUID, @RequestBody vo: KnowledgeBriefVO) {
+        knowledgeRepository.update(new(Knowledge::class).by {
+            id = knowledgeId
+            name = vo.name
+            vo.parentId?.let {
+                parent().apply {
+                    id = it
+                }
+            } ?: let {
+                parent = null
+            }
+        })
+    }
+
+    @DeleteMapping("/{knowledgeId}")
+    suspend fun deleteKnowledge(@PathVariable knowledgeId: UUID) {
+        knowledgeRepository.deleteById(knowledgeId)
+    }
+
+    @PutMapping("/{knowledgeId}/star")
+    suspend fun starKnowledge(@PathVariable knowledgeId: UUID, active: Boolean) {
+        val loginUserId = getLoginUser(objectMapper).id
+        knowledgeRepository.findNullable(knowledgeId, newFetcher(Knowledge::class).by {
+            knowledgeFileAttribute { starers() }
+        })
+            ?.knowledgeFileAttribute
+            ?.let { attr ->
+                knowledgeFileAttributeRepository.update(new(KnowledgeFileAttribute::class).by {
+                    starers = attr.starers.filterNot { it.id == loginUserId }
+                    if (active) {
+                        starers().addBy { id = loginUserId }
+                    }
+                })
+            }
+            ?: throw BusinessError(ErrorCode.RESOURCE_NOT_FOUND)
+    }
 }
\ No newline at end of file
diff --git a/src/main/kotlin/cn/edu/hfut/auto/knowledge/entity/vo/KnowledgeVO.kt b/src/main/kotlin/cn/edu/hfut/auto/knowledge/entity/vo/KnowledgeVO.kt
index c630509..9d388e8 100644
--- a/src/main/kotlin/cn/edu/hfut/auto/knowledge/entity/vo/KnowledgeVO.kt
+++ b/src/main/kotlin/cn/edu/hfut/auto/knowledge/entity/vo/KnowledgeVO.kt
@@ -9,4 +9,9 @@ data class KnowledgeFileUploadVO(
     val md5: String,
     val tags: List<Long>,
     val parentId: UUID?
+)
+
+data class KnowledgeBriefVO(
+    val name: String,
+    val parentId: UUID?
 )
\ No newline at end of file