diff --git a/include/common/cos.h b/include/common/cos.h
index 21b645f604..c6b159c1da 100644
--- a/include/common/cos.h
+++ b/include/common/cos.h
@@ -43,6 +43,7 @@ int32_t s3GetObjectBlock(const char *object_name, int64_t offset, int64_t size,
 int32_t s3GetObjectsByPrefix(const char *prefix, const char *path);
 void    s3EvictCache(const char *path, long object_size);
 long    s3Size(const char *object_name);
+int32_t s3GetObjectToFile(const char *object_name, char *fileName);
 
 #ifdef __cplusplus
 }
diff --git a/source/libs/stream/inc/streamBackendRocksdb.h b/source/libs/stream/inc/streamBackendRocksdb.h
index 92ec1899db..47404f311f 100644
--- a/source/libs/stream/inc/streamBackendRocksdb.h
+++ b/source/libs/stream/inc/streamBackendRocksdb.h
@@ -77,7 +77,7 @@ typedef struct {
   SArray*        chkpInUse;
   int32_t        chkpCap;
   TdThreadRwlock chkpDirLock;
-  int64_t        dataWritten; 
+  int64_t        dataWritten;
 
 } STaskDbWrapper;
 
@@ -255,5 +255,5 @@ int32_t  bkdMgtGetDelta(SBkdMgt* bm, char* taskId, int64_t chkpId, SArray* list,
 int32_t  bkdMgtDumpTo(SBkdMgt* bm, char* taskId, char* dname);
 void     bkdMgtDestroy(SBkdMgt* bm);
 
-int32_t taskDbGenChkpUploadData(void* arg, void* bkdMgt, int64_t chkpId, int8_t type, char** pathkj);
+int32_t taskDbGenChkpUploadData(void* arg, void* bkdMgt, int64_t chkpId, int8_t type, char** path, SArray* list);
 #endif
\ No newline at end of file
diff --git a/source/libs/stream/inc/streamInt.h b/source/libs/stream/inc/streamInt.h
index bbe7bcf65c..c299d0cfe1 100644
--- a/source/libs/stream/inc/streamInt.h
+++ b/source/libs/stream/inc/streamInt.h
@@ -163,6 +163,7 @@ int         uploadCheckpoint(char* id, char* path);
 int         downloadCheckpoint(char* id, char* path);
 int         deleteCheckpoint(char* id);
 int         deleteCheckpointFile(char* id, char* name);
+int         downloadCheckpointByName(char* id, char* fname, char* dstName);
 
 int32_t onNormalTaskReady(SStreamTask* pTask);
 int32_t onScanhistoryTaskReady(SStreamTask* pTask);
diff --git a/source/libs/stream/src/streamBackendRocksdb.c b/source/libs/stream/src/streamBackendRocksdb.c
index 5c59621ca9..b156bce5dd 100644
--- a/source/libs/stream/src/streamBackendRocksdb.c
+++ b/source/libs/stream/src/streamBackendRocksdb.c
@@ -1719,7 +1719,8 @@ int32_t taskDbGenChkpUploadData__rsync(STaskDbWrapper* pDb, int64_t chkpId, char
   return code;
 }
 
-int32_t taskDbGenChkpUploadData__s3(STaskDbWrapper* pDb, void* bkdChkpMgt, int64_t chkpId, char** path) {
+int32_t taskDbGenChkpUploadData__s3(STaskDbWrapper* pDb, void* bkdChkpMgt, int64_t chkpId, char** path, SArray* list) {
+  int32_t  code = 0;
   SBkdMgt* p = (SBkdMgt*)bkdChkpMgt;
 
   char* temp = taosMemoryCalloc(1, strlen(pDb->path));
@@ -1731,20 +1732,20 @@ int32_t taskDbGenChkpUploadData__s3(STaskDbWrapper* pDb, void* bkdChkpMgt, int64
   } else {
     taosMkDir(temp);
   }
-  bkdMgtGetDelta(p, pDb->idstr, chkpId, NULL, temp);
+  code = bkdMgtGetDelta(p, pDb->idstr, chkpId, list, temp);
 
   *path = temp;
 
-  return 0;
+  return code;
 }
-int32_t taskDbGenChkpUploadData(void* arg, void* mgt, int64_t chkpId, int8_t type, char** path) {
+int32_t taskDbGenChkpUploadData(void* arg, void* mgt, int64_t chkpId, int8_t type, char** path, SArray* list) {
   STaskDbWrapper* pDb = arg;
   UPLOAD_TYPE     utype = type;
 
   if (utype == UPLOAD_RSYNC) {
     return taskDbGenChkpUploadData__rsync(pDb, chkpId, path);
   } else if (utype == UPLOAD_S3) {
-    return taskDbGenChkpUploadData__s3(pDb, mgt, chkpId, path);
+    return taskDbGenChkpUploadData__s3(pDb, mgt, chkpId, path, list);
   }
   return -1;
 }
@@ -3559,7 +3560,7 @@ SDbChkp* dbChkpCreate(char* path, int64_t initChkpId) {
   p->curChkpId = initChkpId;
   p->preCkptId = -1;
   p->pSST = taosArrayInit(64, sizeof(void*));
-  p->path = taosStrdup(path);
+  p->path = path;
   p->len = strlen(path) + 128;
   p->buf = taosMemoryCalloc(1, p->len);
 
@@ -3597,9 +3598,9 @@ int32_t dbChkpInit(SDbChkp* p) {
   if (p == NULL) return 0;
   return 0;
 }
-int32_t dbChkpDumpTo(SDbChkp* p, char* dname) {
+int32_t dbChkpDumpTo(SDbChkp* p, char* dname, SArray* list) {
   taosThreadRwlockRdlock(&p->rwLock);
-  int32_t code = 0;
+  int32_t code = -1;
   int32_t len = p->len + 128;
 
   char* srcBuf = taosMemoryCalloc(1, len);
@@ -3613,26 +3614,9 @@ int32_t dbChkpDumpTo(SDbChkp* p, char* dname) {
 
   if (!taosDirExist(srcDir)) {
     stError("failed to dump srcDir %s, reason: not exist such dir", srcDir);
-    code = -1;
     goto _ERROR;
   }
 
-  // code = taosMkDir(dstDir);
-  // if (code != 0) {
-  //   terrno = TAOS_SYSTEM_ERROR(errno);
-  //   stError("failed to mkdir srcDir %s, reason: %s", dstDir, terrstr());
-  //   goto _ERROR;
-  // }
-
-  // clear current file
-  memset(dstBuf, 0, len);
-  sprintf(dstBuf, "%s%s%s", dstDir, TD_DIRSEP, p->pCurrent);
-  taosRemoveFile(dstBuf);
-
-  memset(dstBuf, 0, len);
-  sprintf(dstBuf, "%s%s%s", dstDir, TD_DIRSEP, p->pManifest);
-  taosRemoveFile(dstBuf);
-
   // add file to $name dir
   for (int i = 0; i < taosArrayGetSize(p->pAdd); i++) {
     memset(srcBuf, 0, len);
@@ -3644,39 +3628,59 @@ int32_t dbChkpDumpTo(SDbChkp* p, char* dname) {
 
     if (taosCopyFile(srcBuf, dstBuf) < 0) {
       stError("failed to copy file from %s to %s", srcBuf, dstBuf);
+      goto _ERROR;
     }
   }
   // del file in $name
   for (int i = 0; i < taosArrayGetSize(p->pDel); i++) {
-    memset(dstBuf, 0, len);
-    memset(srcBuf, 0, len);
-
     char* filename = taosArrayGetP(p->pDel, i);
-    sprintf(dstBuf, "%s%s%s", dstDir, TD_DIRSEP, filename);
-    taosRemoveFile(dstBuf);
+    char* p = taosStrdup(filename);
+    taosArrayPush(list, &p);
   }
 
   // copy current file to dst dir
   memset(srcBuf, 0, len);
   memset(dstBuf, 0, len);
   sprintf(srcBuf, "%s%s%s", srcDir, TD_DIRSEP, p->pCurrent);
-  sprintf(dstBuf, "%s%s%s", dstDir, TD_DIRSEP, p->pCurrent);
+  sprintf(dstBuf, "%s%s%s_%" PRId64 "", dstDir, TD_DIRSEP, p->pCurrent, p->curChkpId);
   if (taosCopyFile(srcBuf, dstBuf) < 0) {
     stError("failed to copy file from %s to %s", srcBuf, dstBuf);
+    goto _ERROR;
   }
 
   // copy manifest file to dst dir
   memset(srcBuf, 0, len);
   memset(dstBuf, 0, len);
   sprintf(srcBuf, "%s%s%s", srcDir, TD_DIRSEP, p->pManifest);
-  sprintf(dstBuf, "%s%s%s", dstDir, TD_DIRSEP, p->pManifest);
+  sprintf(dstBuf, "%s%s%s_%" PRId64 "", dstDir, TD_DIRSEP, p->pManifest, p->curChkpId);
   if (taosCopyFile(srcBuf, dstBuf) < 0) {
     stError("failed to copy file from %s to %s", srcBuf, dstBuf);
+    goto _ERROR;
   }
 
+  static char* chkpMeta = "META";
+  memset(dstBuf, 0, len);
+  sprintf(dstDir, "%s%s%s", dstDir, TD_DIRSEP, chkpMeta);
+
+  TdFilePtr pFile = taosOpenFile(dstDir, TD_FILE_CREATE | TD_FILE_WRITE | TD_FILE_TRUNC);
+  if (pFile == NULL) {
+    stError("chkp failed to create meta file: %s", dstDir);
+    goto _ERROR;
+  }
+  char content[128] = {0};
+  snprintf(content, sizeof(content), "%s_%" PRId64 "\n%s_%" PRId64 "", p->pCurrent, p->curChkpId, p->pManifest,
+           p->curChkpId);
+  if (taosWriteFile(pFile, content, strlen(content)) <= 0) {
+    stError("chkp failed to write meta file: %s", dstDir);
+    taosCloseFile(&pFile);
+    goto _ERROR;
+  }
+  taosCloseFile(&pFile);
+
   // clear delta data buf
   taosArrayClearP(p->pAdd, taosMemoryFree);
   taosArrayClearP(p->pDel, taosMemoryFree);
+  code = 0;
 
 _ERROR:
   taosThreadRwlockUnlock(&p->rwLock);
@@ -3718,22 +3722,22 @@ int32_t bkdMgtGetDelta(SBkdMgt* bm, char* taskId, int64_t chkpId, SArray* list,
   SDbChkp*  pChkp = ppChkp != NULL ? *ppChkp : NULL;
 
   if (pChkp == NULL) {
-    char* taskPath = taosMemoryCalloc(1, strlen(bm->path) + 64);
-    sprintf(taskPath, "%s%s%s", bm->path, TD_DIRSEP, taskId);
+    char* path = taosMemoryCalloc(1, strlen(bm->path) + 64);
+    sprintf(path, "%s%s%s", bm->path, TD_DIRSEP, taskId);
 
-    SDbChkp* p = dbChkpCreate(taskPath, chkpId);
+    SDbChkp* p = dbChkpCreate(path, chkpId);
     taosHashPut(bm->pDbChkpTbl, taskId, strlen(taskId), &p, sizeof(void*));
 
-    taosMemoryFree(taskPath);
     pChkp = p;
 
-    code = dbChkpDumpTo(pChkp, dname);
+    code = dbChkpDumpTo(pChkp, dname, list);
     taosThreadRwlockUnlock(&bm->rwLock);
     return code;
   }
 
-  code = dbChkpGetDelta(pChkp, chkpId, list);
-  code = dbChkpDumpTo(pChkp, dname);
+  code = dbChkpGetDelta(pChkp, chkpId, NULL);
+  code = dbChkpDumpTo(pChkp, dname, list);
+
   taosThreadRwlockUnlock(&bm->rwLock);
   return code;
 }
@@ -3763,7 +3767,7 @@ int32_t bkdMgtDumpTo(SBkdMgt* bm, char* taskId, char* dname) {
   taosThreadRwlockRdlock(&bm->rwLock);
 
   SDbChkp* p = taosHashGet(bm->pDbChkpTbl, taskId, strlen(taskId));
-  code = dbChkpDumpTo(p, dname);
+  code = dbChkpDumpTo(p, dname, NULL);
 
   taosThreadRwlockUnlock(&bm->rwLock);
   return code;
diff --git a/source/libs/stream/src/streamCheckpoint.c b/source/libs/stream/src/streamCheckpoint.c
index f7ac9e61bc..b61256371b 100644
--- a/source/libs/stream/src/streamCheckpoint.c
+++ b/source/libs/stream/src/streamCheckpoint.c
@@ -338,18 +338,72 @@ void streamTaskSetFailedId(SStreamTask* pTask) {
   pTask->chkInfo.checkpointId = pTask->chkInfo.checkpointingId;
 }
 
+int32_t getChkpMeta(char* id, char* path, SArray* list) {
+  char* file = taosMemoryCalloc(1, strlen(path) + 32);
+  sprintf(file, "%s%s%s", path, TD_DIRSEP, "META_TMP");
+  int32_t code = downloadCheckpointByName(id, "META", file);
+  if (code != 0) {
+    stDebug("chkp failed to download meta file:%s", file);
+    taosMemoryFree(file);
+    return code;
+  }
+  TdFilePtr pFile = taosOpenFile(file, TD_FILE_READ);
+  char      buf[128] = {0};
+  if (taosReadFile(pFile, buf, sizeof(buf)) <= 0) {
+    stError("chkp failed to read meta file:%s", file);
+    code = -1;
+  } else {
+    int32_t len = strlen(buf);
+    for (int i = 0; i < len; i++) {
+      if (buf[i] == '\n') {
+        char* item = taosMemoryCalloc(1, i + 1);
+        memcpy(item, buf, i);
+        taosArrayPush(list, &item);
+
+        item = taosMemoryCalloc(1, len - i);
+        memcpy(item, buf + i + 1, len - i - 1);
+        taosArrayPush(list, &item);
+      }
+    }
+  }
+  taosCloseFile(&pFile);
+  taosRemoveFile(file);
+  taosMemoryFree(file);
+  return code;
+}
 int32_t doUploadChkp(void* param) {
   SAsyncUploadArg* arg = param;
   char*            path = NULL;
   int32_t          code = 0;
+  SArray*          list = taosArrayInit(4, sizeof(void*));
 
   if ((code = taskDbGenChkpUploadData(arg->pTask->pBackend, arg->pTask->pMeta->bkdChkptMgt, arg->chkpId,
-                                      (int8_t)(arg->type), &path)) != 0) {
+                                      (int8_t)(arg->type), &path, list)) != 0) {
     stError("s-task:%s failed to gen upload checkpoint:%" PRId64 "", arg->pTask->id.idStr, arg->chkpId);
   }
-  if (code == 0 && uploadCheckpoint(arg->taskId, path) != 0) {
+
+  code = getChkpMeta(arg->taskId, path, list);
+  if (code != 0) {
+    code = 0;
+  }
+
+  if (code == 0 && (code = uploadCheckpoint(arg->taskId, path)) != 0) {
     stError("s-task:%s failed to upload checkpoint:%" PRId64, arg->pTask->id.idStr, arg->chkpId);
   }
+
+  if (code == 0) {
+    for (int i = 0; i < taosArrayGetSize(list); i++) {
+      char* p = taosArrayGetP(list, i);
+      code = deleteCheckpointFile(arg->taskId, p);
+      stDebug("try to del file: %s", p);
+      if (code != 0) {
+        break;
+      }
+    }
+  }
+
+  taosArrayDestroyP(list, taosMemoryFree);
+
   taosRemoveDir(path);
   taosMemoryFree(path);
   taosMemoryFree(arg->taskId);
@@ -464,6 +518,17 @@ static int uploadCheckpointToS3(char* id, char* path) {
   return 0;
 }
 
+static int downloadCheckpointByNameS3(char* id, char* fname, char* dstName) {
+  int   code = 0;
+  char* buf = taosMemoryCalloc(1, strlen(id) + strlen(dstName) + 4);
+  sprintf(buf, "%s/%s", id, fname);
+  if (s3GetObjectToFile(buf, dstName) != 0) {
+    code = -1;
+  }
+  taosMemoryFree(buf);
+  return code;
+}
+
 UPLOAD_TYPE getUploadType() {
   if (strlen(tsSnodeAddress) != 0) {
     return UPLOAD_RSYNC;
@@ -487,6 +552,20 @@ int uploadCheckpoint(char* id, char* path) {
   return 0;
 }
 
+// fileName:  CURRENT
+int downloadCheckpointByName(char* id, char* fname, char* dstName) {
+  if (id == NULL || fname == NULL || strlen(id) == 0 || strlen(fname) == 0 || strlen(fname) >= PATH_MAX) {
+    stError("uploadCheckpointByName parameters invalid");
+    return -1;
+  }
+  if (strlen(tsSnodeAddress) != 0) {
+    return 0;
+  } else if (tsS3StreamEnabled) {
+    return downloadCheckpointByNameS3(id, fname, dstName);
+  }
+  return 0;
+}
+
 int downloadCheckpoint(char* id, char* path) {
   if (id == NULL || path == NULL || strlen(id) == 0 || strlen(path) == 0 || strlen(path) >= PATH_MAX) {
     stError("downloadCheckpoint parameters invalid");