diff --git a/src/backend/common/common-mongo/src/main/kotlin/com/tencent/bkrepo/common/mongo/dao/sharding/MonthRangeShardingMongoDao.kt b/src/backend/common/common-mongo/src/main/kotlin/com/tencent/bkrepo/common/mongo/dao/sharding/MonthRangeShardingMongoDao.kt
index ead8226eff..0c187e2d92 100644
--- a/src/backend/common/common-mongo/src/main/kotlin/com/tencent/bkrepo/common/mongo/dao/sharding/MonthRangeShardingMongoDao.kt
+++ b/src/backend/common/common-mongo/src/main/kotlin/com/tencent/bkrepo/common/mongo/dao/sharding/MonthRangeShardingMongoDao.kt
@@ -34,6 +34,9 @@ import com.tencent.bkrepo.common.mongo.dao.util.sharding.ShardingUtils
 import org.springframework.data.mongodb.core.index.IndexDefinition
 import java.util.concurrent.TimeUnit
 
+/**
+ * 注意：按月分表的索引只有在insert/save的情况下才会创建
+ */
 abstract class MonthRangeShardingMongoDao<E> : RangeShardingMongoDao<E>() {
 
     private val indexCache = CacheBuilder.newBuilder()
diff --git a/src/backend/job/biz-job/src/main/kotlin/com/tencent/bkrepo/job/separation/config/DataSeparationConfig.kt b/src/backend/job/biz-job/src/main/kotlin/com/tencent/bkrepo/job/separation/config/DataSeparationConfig.kt
index 0a5eeb7ca6..50de607a9c 100644
--- a/src/backend/job/biz-job/src/main/kotlin/com/tencent/bkrepo/job/separation/config/DataSeparationConfig.kt
+++ b/src/backend/job/biz-job/src/main/kotlin/com/tencent/bkrepo/job/separation/config/DataSeparationConfig.kt
@@ -61,8 +61,10 @@ import java.time.Duration
 data class DataSeparationConfig(
     // 当前时间到（当前时间-keepDays）为热数据，不允许拆分，避免误操作将所有数据进行降冷
     var keepDays: Duration = Duration.ofDays(365),
-    // 特殊项目仓库配置
-    var specialRepos: MutableList<String> = mutableListOf(),
+    // 降冷特殊项目仓库配置
+    var specialSeparateRepos: MutableList<String> = mutableListOf(),
+    // 恢复特殊项目仓库配置
+    var specialRestoreRepos: MutableList<String> = mutableListOf(),
     // 允许同时执行将冷任务数
     var separateTaskConcurrency: Int = Runtime.getRuntime().availableProcessors() * 2,
     // 允许同时执行的恢复任务数
diff --git a/src/backend/job/biz-job/src/main/kotlin/com/tencent/bkrepo/job/separation/dao/SeparationTaskDao.kt b/src/backend/job/biz-job/src/main/kotlin/com/tencent/bkrepo/job/separation/dao/SeparationTaskDao.kt
index 7bdad19995..b9ae3c0b5a 100644
--- a/src/backend/job/biz-job/src/main/kotlin/com/tencent/bkrepo/job/separation/dao/SeparationTaskDao.kt
+++ b/src/backend/job/biz-job/src/main/kotlin/com/tencent/bkrepo/job/separation/dao/SeparationTaskDao.kt
@@ -56,6 +56,7 @@ package com.tencent.bkrepo.job.separation.dao
 
 import com.tencent.bkrepo.common.mongo.dao.simple.SimpleMongoDao
 import com.tencent.bkrepo.job.separation.model.TSeparationTask
+import com.tencent.bkrepo.job.separation.pojo.SeparationContent
 import com.tencent.bkrepo.job.separation.pojo.task.SeparationCount
 import com.tencent.bkrepo.job.separation.pojo.task.SeparationTaskState
 import com.tencent.bkrepo.repository.constant.SYSTEM_USER
@@ -76,10 +77,28 @@ class SeparationTaskDao : SimpleMongoDao<TSeparationTask>() {
         return find(Query(criteria))
     }
 
-    fun exist(projectId: String, repoName: String, state: String): Boolean {
+    fun exist(
+        projectId: String, repoName: String, state: String,
+        content: SeparationContent? = null,
+        type: String? = null,
+        separationDate: LocalDateTime? = null,
+        overwrite: Boolean? = null
+    ): Boolean {
         val criteria = Criteria().and(TSeparationTask::projectId.name).isEqualTo(projectId)
             .and(TSeparationTask::repoName.name).isEqualTo(repoName)
             .and(TSeparationTask::state.name).ne(state)
+        separationDate?.let {
+            criteria.and(TSeparationTask::separationDate.name).isEqualTo(separationDate)
+        }
+        type?.let {
+            criteria.and(TSeparationTask::type.name).isEqualTo(type)
+        }
+        content?.let {
+            criteria.and(TSeparationTask::content.name).isEqualTo(content)
+        }
+        overwrite?.let {
+            criteria.and(TSeparationTask::overwrite.name).isEqualTo(overwrite)
+        }
         return exists(Query(criteria))
     }
 
diff --git a/src/backend/job/biz-job/src/main/kotlin/com/tencent/bkrepo/job/separation/dao/repo/SeparationMavenMetadataDao.kt b/src/backend/job/biz-job/src/main/kotlin/com/tencent/bkrepo/job/separation/dao/repo/SeparationMavenMetadataDao.kt
index 181362eca2..a78ff1b5b5 100644
--- a/src/backend/job/biz-job/src/main/kotlin/com/tencent/bkrepo/job/separation/dao/repo/SeparationMavenMetadataDao.kt
+++ b/src/backend/job/biz-job/src/main/kotlin/com/tencent/bkrepo/job/separation/dao/repo/SeparationMavenMetadataDao.kt
@@ -55,7 +55,6 @@
 package com.tencent.bkrepo.job.separation.dao.repo
 
 import com.mongodb.client.result.DeleteResult
-import com.mongodb.client.result.UpdateResult
 import com.tencent.bkrepo.common.mongo.dao.sharding.MonthRangeShardingMongoDao
 import com.tencent.bkrepo.common.mongo.dao.util.Pages
 import com.tencent.bkrepo.job.separation.model.repo.TSeparationMavenMetadataRecord
@@ -63,7 +62,6 @@ import com.tencent.bkrepo.job.separation.pojo.query.MavenMetadata
 import com.tencent.bkrepo.job.separation.util.SeparationUtils
 import org.springframework.data.mongodb.core.query.Criteria
 import org.springframework.data.mongodb.core.query.Query
-import org.springframework.data.mongodb.core.query.Update
 import org.springframework.data.mongodb.core.query.isEqualTo
 import org.springframework.stereotype.Repository
 import java.time.LocalDateTime
@@ -73,7 +71,8 @@ class SeparationMavenMetadataDao : MonthRangeShardingMongoDao<TSeparationMavenMe
 
     fun upsertMetaData(
         mavenMetadata: MavenMetadata, separationDate: LocalDateTime
-    ): UpdateResult {
+    ): TSeparationMavenMetadataRecord {
+        val (startOfDay, endOfDay) = SeparationUtils.findStartAndEndTimeOfDate(separationDate)
         val criteria = Criteria.where(TSeparationMavenMetadataRecord::projectId.name).isEqualTo(mavenMetadata.projectId)
             .and(TSeparationMavenMetadataRecord::repoName.name).isEqualTo(mavenMetadata.repoName)
             .and(TSeparationMavenMetadataRecord::groupId.name).isEqualTo(mavenMetadata.groupId)
@@ -81,12 +80,27 @@ class SeparationMavenMetadataDao : MonthRangeShardingMongoDao<TSeparationMavenMe
             .and(TSeparationMavenMetadataRecord::version.name).isEqualTo(mavenMetadata.version)
             .and(TSeparationMavenMetadataRecord::classifier.name).isEqualTo(mavenMetadata.classifier)
             .and(TSeparationMavenMetadataRecord::extension.name).isEqualTo(mavenMetadata.extension)
-            .and(TSeparationMavenMetadataRecord::separationDate.name).isEqualTo(separationDate)
-
-        val metadataQuery = Query(criteria)
-        val update = Update().set(TSeparationMavenMetadataRecord::buildNo.name, mavenMetadata.buildNo)
-            .set(TSeparationMavenMetadataRecord::timestamp.name, mavenMetadata.timestamp)
-        return this.upsert(metadataQuery, update)
+            .and(TSeparationMavenMetadataRecord::separationDate.name).gte(startOfDay).lt(endOfDay)
+        var existedRecord = this.findOne(Query(criteria))
+        if (existedRecord == null) {
+            existedRecord = TSeparationMavenMetadataRecord(
+                id = null,
+                projectId = mavenMetadata.projectId,
+                repoName = mavenMetadata.repoName,
+                groupId = mavenMetadata.groupId,
+                artifactId = mavenMetadata.artifactId,
+                version = mavenMetadata.version,
+                classifier = mavenMetadata.classifier,
+                extension = mavenMetadata.extension,
+                separationDate = separationDate,
+                buildNo = mavenMetadata.buildNo,
+                timestamp = mavenMetadata.timestamp
+            )
+        } else {
+            existedRecord.buildNo = mavenMetadata.buildNo
+            existedRecord.timestamp = mavenMetadata.timestamp
+        }
+        return this.save(existedRecord)
     }
 
     fun search(
diff --git a/src/backend/job/biz-job/src/main/kotlin/com/tencent/bkrepo/job/separation/listener/SeparationRecoveryEventConsumer.kt b/src/backend/job/biz-job/src/main/kotlin/com/tencent/bkrepo/job/separation/listener/SeparationRecoveryEventConsumer.kt
index 6882969ddc..08617b6e3f 100644
--- a/src/backend/job/biz-job/src/main/kotlin/com/tencent/bkrepo/job/separation/listener/SeparationRecoveryEventConsumer.kt
+++ b/src/backend/job/biz-job/src/main/kotlin/com/tencent/bkrepo/job/separation/listener/SeparationRecoveryEventConsumer.kt
@@ -75,11 +75,25 @@ class SeparationRecoveryEventConsumer(
             return
         }
         logger.info("current separation recovery message header is ${message.headers}")
-        doSeparationRecovery(message.payload)
+        try {
+            doSeparationRecovery(message.payload)
+        } catch (e: Exception) {
+            logger.warn("handle msg error: ${message.payload}")
+        }
+
     }
 
     private fun doSeparationRecovery(event: ArtifactEvent) {
         val recoveryNodeInfo = buildRecoveryNodeInfo(event)
+        var flag = false
+        val projectRepoKey = "${recoveryNodeInfo.projectId}/${recoveryNodeInfo.repoName}"
+        dataSeparationConfig.specialRestoreRepos.forEach {
+            val regex = Regex(it.replace("*", ".*"))
+            if (regex.matches(projectRepoKey)) {
+                flag = true
+            }
+        }
+        if (!flag) return
         val task = when (recoveryNodeInfo.repoType) {
             RepositoryType.MAVEN.name -> {
                 val recoveryVersionInfo = RepoSpecialSeparationMappings.getRecoveryPackageVersionData(recoveryNodeInfo)
diff --git a/src/backend/job/biz-job/src/main/kotlin/com/tencent/bkrepo/job/separation/service/impl/SeparationTaskServiceImpl.kt b/src/backend/job/biz-job/src/main/kotlin/com/tencent/bkrepo/job/separation/service/impl/SeparationTaskServiceImpl.kt
index 3323c81257..cdae04128a 100644
--- a/src/backend/job/biz-job/src/main/kotlin/com/tencent/bkrepo/job/separation/service/impl/SeparationTaskServiceImpl.kt
+++ b/src/backend/job/biz-job/src/main/kotlin/com/tencent/bkrepo/job/separation/service/impl/SeparationTaskServiceImpl.kt
@@ -77,9 +77,10 @@ class SeparationTaskServiceImpl(
                 SEPARATE -> {
                     validateSeparateTaskParams(request)
                     val task = buildSeparationTask(request)
-                    separationTaskDao.save(task)
+                    createTask(task)
                 }
                 RESTORE -> {
+                    restoreTaskCheck(request.projectId, request.repoName)
                     createRestoreTask(request)
                 }
                 else -> {
@@ -124,6 +125,24 @@ class SeparationTaskServiceImpl(
         return exist || failedExist
     }
 
+    private fun restoreTaskCheck(
+        projectId: String,
+        repoName: String,
+    ) {
+        var flag = false
+        val projectRepoKey = "${projectId}/${repoName}"
+        dataSeparationConfig.specialRestoreRepos.forEach {
+            val regex = Regex(it.replace("*", ".*"))
+            if (regex.matches(projectRepoKey)) {
+                flag = true
+            }
+        }
+        if (!flag) throw BadRequestException(
+            CommonMessageCode.PARAMETER_INVALID,
+            projectRepoKey
+        )
+    }
+
     private fun createRestoreTask(request: SeparationTaskRequest) {
         with(request) {
             if (separateAt.isNullOrEmpty()) {
@@ -136,16 +155,33 @@ class SeparationTaskServiceImpl(
                 }
                 separatedDates.forEach {
                     val task = buildSeparationTask(request, it)
-                    separationTaskDao.save(task)
+                    createTask(task)
                 }
             } else {
                 val date = LocalDateTime.parse(separateAt, DateTimeFormatter.ISO_DATE_TIME)
                 val task = buildSeparationTask(request, date)
-                separationTaskDao.save(task)
+                createTask(task)
             }
         }
     }
 
+    private fun createTask(task: TSeparationTask) {
+        val exist = separationTaskDao.exist(
+            projectId = task.projectId,
+            repoName = task.repoName,
+            state = SeparationTaskState.FINISHED.name,
+            content = task.content,
+            type = task.type,
+            separationDate = task.separationDate,
+            overwrite = task.overwrite
+        )
+        if (exist) {
+            logger.info("$task is existed, ignore")
+            return
+        }
+        separationTaskDao.save(task)
+    }
+
     private fun getRepoInfo(projectId: String, repoName: String): RepositoryDetail {
         val repo = repositoryClient.getRepoDetail(projectId, repoName).data
             ?: run {
@@ -167,6 +203,20 @@ class SeparationTaskServiceImpl(
                     SeparationTaskRequest::separateAt.name
                 )
             }
+
+            var flag = false
+            val projectRepoKey = "$projectId/$repoName"
+            dataSeparationConfig.specialSeparateRepos.forEach {
+                val regex = Regex(it.replace("*", ".*"))
+                if (regex.matches(projectRepoKey)) {
+                    flag = true
+                }
+            }
+            if (!flag) throw BadRequestException(
+                CommonMessageCode.PARAMETER_INVALID,
+                projectRepoKey
+            )
+
             val separateDate = try {
                 LocalDateTime.parse(separateAt, DateTimeFormatter.ISO_DATE_TIME)
             } catch (e: DateTimeParseException) {
@@ -179,13 +229,7 @@ class SeparationTaskServiceImpl(
             if (LocalDateTime.now().minusDays(dataSeparationConfig.keepDays.toDays()).isAfter(separateDate)) {
                 return
             }
-            val projectRepoKey = "$projectId/$repoName"
-            dataSeparationConfig.specialRepos.forEach {
-                val regex = Regex(it.replace("*", ".*"))
-                if (regex.matches(projectRepoKey)) {
-                    return
-                }
-            }
+
             logger.warn("Separation date [$separateAt] is illegal!")
             throw BadRequestException(
                 CommonMessageCode.PARAMETER_INVALID,