diff --git a/source/libs/stream/test/backendTest.cpp b/source/libs/stream/test/backendTest.cpp
index d70f16b461..df0ab9fe7e 100644
--- a/source/libs/stream/test/backendTest.cpp
+++ b/source/libs/stream/test/backendTest.cpp
@@ -3,6 +3,7 @@
 #include <taoserror.h>
 #include <tglobal.h>
 #include <iostream>
+#include <vector>
 #include "streamBackendRocksdb.h"
 #include "streamSnapshot.h"
 #include "streamState.h"
@@ -27,26 +28,62 @@ void *backendCreate() {
   return p;
 }
 
-SStreamState *stateCreate(void *pBackend, char *keyidr) {
-  const char  *streamPath = "/tmp";
+SStreamState *stateCreate(const char *path) {
   SStreamTask *pTask = (SStreamTask *)taosMemoryCalloc(1, sizeof(SStreamTask));
   pTask->ver = 1024;
   pTask->id.streamId = 1023;
   pTask->id.taskId = 1111111;
+  SStreamMeta *pMeta = streamMetaOpen((path), NULL, NULL, 0, 0, NULL);
+  pTask->pMeta = pMeta;
 
-  SStreamState *p = streamStateOpen((char *)streamPath, pTask, true, 32, 32 * 1024);
+  SStreamState *p = streamStateOpen((char *)path, pTask, true, 32, 32 * 1024);
   ASSERT(p != NULL);
   return p;
 }
 void backendOpen() {
-  void *p = backendCreate();
+  const char   *path = "/tmp/backend";
+  SStreamState *p = stateCreate(path);
   ASSERT(p != NULL);
-  taskDbDestroy(p, true);
+
+  // write bacth
+  // default/state/fill/sess/func/parname/partag
+  int32_t              size = 100;
+  std::vector<int64_t> tsArray;
+  for (int i = 0; i < size; i++) {
+    int64_t     ts = taosGetTimestampMs();
+    SWinKey     key = {.groupId = (uint64_t)(i), .ts = ts};
+    const char *val = "value data";
+    int32_t     vlen = strlen(val);
+    streamStatePut_rocksdb(p, &key, (char *)val, vlen);
+
+    tsArray.push_back(ts);
+  }
+  for (int i = 0; i < size; i++) {
+    int64_t ts = tsArray[i];
+    SWinKey key = {.groupId = (uint64_t)(i), .ts = ts};
+
+    const char *val = "value data";
+    int32_t     len = 0;
+    char       *newVal = NULL;
+    streamStateGet_rocksdb(p, &key, (void **)&newVal, &len);
+    ASSERT(len == strlen(val));
+  }
+  int64_t ts = tsArray[0];
+  SWinKey key = {.groupId = (uint64_t)(0), .ts = ts};
+  streamStateDel_rocksdb(p, &key);
+
+  
+
+  // read
+  // iterator
+  // rebuild chkp, reload from chkp
+  // sync
+  //
+  streamStateClose((SStreamState *)p, true);
+  // taskDbDestroy(p, true);
 }
 
-TEST_F(BackendEnv, checkOpen) {
-  backendOpen();
-}
+TEST_F(BackendEnv, checkOpen) { backendOpen(); }
 TEST_F(BackendEnv, backendOpt) {}
 TEST_F(BackendEnv, backendDestroy) {}