diff --git a/include/util/tencode.h b/include/util/tencode.h
index a13afd44480eef8397befb42c2fe2a12c322b01e..e318d4f2400065c3a8926c06f36c7d077fb5b45a 100644
--- a/include/util/tencode.h
+++ b/include/util/tencode.h
@@ -477,22 +477,6 @@ static FORCE_INLINE void* tDecoderMalloc(SDecoder* pCoder, int32_t size) {
     return n;                          \
   } while (0)
 
-#define tGetV(p, v)                              \
-  do {                                           \
-    int32_t n = 0;                               \
-    if (v) *v = 0;                               \
-    for (;;) {                                   \
-      if (p[n] <= 0x7f) {                        \
-        if (v) (*v) |= (p[n] << (7 * n));        \
-        n++;                                     \
-        break;                                   \
-      }                                          \
-      if (v) (*v) |= ((p[n] & 0x7f) << (7 * n)); \
-      n++;                                       \
-    }                                            \
-    return n;                                    \
-  } while (0)
-
 // PUT
 static FORCE_INLINE int32_t tPutU8(uint8_t* p, uint8_t v) {
   if (p) ((uint8_t*)p)[0] = v;
@@ -607,7 +591,22 @@ static FORCE_INLINE int32_t tGetI64(uint8_t* p, int64_t* v) {
   return sizeof(int64_t);
 }
 
-static FORCE_INLINE int32_t tGetU16v(uint8_t* p, uint16_t* v) { tGetV(p, v); }
+static FORCE_INLINE int32_t tGetU16v(uint8_t* p, uint16_t* v) {
+  int32_t n = 0;
+
+  if (v) *v = 0;
+  for (;;) {
+    if (p[n] <= 0x7f) {
+      if (v) (*v) |= (((uint16_t)p[n]) << (7 * n));
+      n++;
+      break;
+    }
+    if (v) (*v) |= (((uint16_t)(p[n] & 0x7f)) << (7 * n));
+    n++;
+  }
+
+  return n;
+}
 
 static FORCE_INLINE int32_t tGetI16v(uint8_t* p, int16_t* v) {
   int32_t  n;
@@ -619,7 +618,22 @@ static FORCE_INLINE int32_t tGetI16v(uint8_t* p, int16_t* v) {
   return n;
 }
 
-static FORCE_INLINE int32_t tGetU32v(uint8_t* p, uint32_t* v) { tGetV(p, v); }
+static FORCE_INLINE int32_t tGetU32v(uint8_t* p, uint32_t* v) {
+  int32_t n = 0;
+
+  if (v) *v = 0;
+  for (;;) {
+    if (p[n] <= 0x7f) {
+      if (v) (*v) |= (((uint32_t)p[n]) << (7 * n));
+      n++;
+      break;
+    }
+    if (v) (*v) |= (((uint32_t)(p[n] & 0x7f)) << (7 * n));
+    n++;
+  }
+
+  return n;
+}
 
 static FORCE_INLINE int32_t tGetI32v(uint8_t* p, int32_t* v) {
   int32_t  n;
@@ -631,7 +645,22 @@ static FORCE_INLINE int32_t tGetI32v(uint8_t* p, int32_t* v) {
   return n;
 }
 
-static FORCE_INLINE int32_t tGetU64v(uint8_t* p, uint64_t* v) { tGetV(p, v); }
+static FORCE_INLINE int32_t tGetU64v(uint8_t* p, uint64_t* v) {
+  int32_t n = 0;
+
+  if (v) *v = 0;
+  for (;;) {
+    if (p[n] <= 0x7f) {
+      if (v) (*v) |= (((uint64_t)p[n]) << (7 * n));
+      n++;
+      break;
+    }
+    if (v) (*v) |= (((uint64_t)(p[n] & 0x7f)) << (7 * n));
+    n++;
+  }
+
+  return n;
+}
 
 static FORCE_INLINE int32_t tGetI64v(uint8_t* p, int64_t* v) {
   int32_t  n;
diff --git a/source/dnode/vnode/src/tsdb/tsdbReaderWriter.c b/source/dnode/vnode/src/tsdb/tsdbReaderWriter.c
index a331f88e61523003187850c47c593b28f94b817a..e96ee03b03f36c0e4d45c8ca8310441ff6d5a85b 100644
--- a/source/dnode/vnode/src/tsdb/tsdbReaderWriter.c
+++ b/source/dnode/vnode/src/tsdb/tsdbReaderWriter.c
@@ -424,10 +424,12 @@ int32_t tsdbReadDelIdx(SDelFReader *pReader, SArray *aDelIdx, uint8_t **ppBuf) {
 
   ASSERT(n == size - sizeof(TSCKSUM));
 
+  tFree(pBuf);
   return code;
 
 _err:
   tsdbError("vgId:%d read del idx failed since %s", TD_VID(pReader->pTsdb->pVnode), tstrerror(code));
+  tFree(pBuf);
   return code;
 }
 
diff --git a/source/dnode/vnode/src/tsdb/tsdbUtil.c b/source/dnode/vnode/src/tsdb/tsdbUtil.c
index ed8bdc17a50d9f132a0b9651cc4143369e632b57..2e628edb7a2946521ed9f4aa5e4a4cdd173ee32a 100644
--- a/source/dnode/vnode/src/tsdb/tsdbUtil.c
+++ b/source/dnode/vnode/src/tsdb/tsdbUtil.c
@@ -1016,7 +1016,7 @@ int32_t tBlockDataAppendRow(SBlockData *pBlockData, TSDBROW *pRow, STSchema *pTS
   SColData *pColData;
   SColVal  *pColVal;
 
-  ASSERT(nColData > 0);
+  if (nColData == 0) goto _exit;
 
   tRowIterInit(pIter, pRow, pTSchema);
   pColData = tBlockDataGetColDataByIdx(pBlockData, iColData);
@@ -1046,6 +1046,7 @@ int32_t tBlockDataAppendRow(SBlockData *pBlockData, TSDBROW *pRow, STSchema *pTS
     }
   }
 
+_exit:
   pBlockData->nRow++;
   return code;