diff --git a/source/dnode/vnode/src/tq/tqRead.c b/source/dnode/vnode/src/tq/tqRead.c
index 6c091fa4cb179e2cf83d8e4e2d0cdf5e13958f44..e74146bab2b72372b57b59da1dd91836855e3f0e 100644
--- a/source/dnode/vnode/src/tq/tqRead.c
+++ b/source/dnode/vnode/src/tq/tqRead.c
@@ -224,6 +224,7 @@ int32_t tqFetchLog(STQ* pTq, STqHandle* pHandle, int64_t* fetchOffset, uint64_t
             goto END;
           } else {
             offset++;
+            code = -1;
             continue;
           }
         }
@@ -234,6 +235,7 @@ int32_t tqFetchLog(STQ* pTq, STqHandle* pHandle, int64_t* fetchOffset, uint64_t
       }
       offset++;
     }
+    code = -1;
   }
 
 END:
diff --git a/source/dnode/vnode/src/tq/tqUtil.c b/source/dnode/vnode/src/tq/tqUtil.c
index 42aac52c63e42523155860ad1deb3d7044b0235c..b7fd505784107584d741798df433902f2b81b301 100644
--- a/source/dnode/vnode/src/tq/tqUtil.c
+++ b/source/dnode/vnode/src/tq/tqUtil.c
@@ -216,7 +216,6 @@ static int32_t extractDataAndRspForDbStbSubscribe(STQ* pTq, STqHandle* pHandle,
     walReaderVerifyOffset(pHandle->pWalReader, offset);
     int64_t fetchVer = offset->version;
 
-    walSetReaderCapacity(pHandle->pWalReader, 2048);
     int totalRows = 0;
     while (1) {
       int32_t savedEpoch = atomic_load_32(&pHandle->epoch);