diff --git a/source/libs/index/src/indexComm.c b/source/libs/index/src/indexComm.c
index 8763a8ab3fcc2f3b8bdd80ac6ed4bdc4a42b6a3b..802cdf7aad1a3ae2f054225a7d8ac9bef1e60314 100644
--- a/source/libs/index/src/indexComm.c
+++ b/source/libs/index/src/indexComm.c
@@ -316,46 +316,57 @@ int32_t indexConvertDataToStr(void* src, int8_t type, void** dst) {
     case TSDB_DATA_TYPE_TIMESTAMP:
       *dst = taosMemoryCalloc(1, bufSize + 1);
       indexInt2str(*(int64_t*)src, *dst, -1);
+      tlen = strlen(*dst);
       break;
     case TSDB_DATA_TYPE_BOOL:
     case TSDB_DATA_TYPE_UTINYINT:
       *dst = taosMemoryCalloc(1, bufSize + 1);
       indexInt2str(*(uint8_t*)src, *dst, 1);
+      tlen = strlen(*dst);
       break;
     case TSDB_DATA_TYPE_TINYINT:
       *dst = taosMemoryCalloc(1, bufSize + 1);
       indexInt2str(*(int8_t*)src, *dst, 1);
+      tlen = strlen(*dst);
       break;
     case TSDB_DATA_TYPE_SMALLINT:
       *dst = taosMemoryCalloc(1, bufSize + 1);
       indexInt2str(*(int16_t*)src, *dst, -1);
+      tlen = strlen(*dst);
       break;
     case TSDB_DATA_TYPE_USMALLINT:
       *dst = taosMemoryCalloc(1, bufSize + 1);
       indexInt2str(*(uint16_t*)src, *dst, -1);
+      tlen = strlen(*dst);
       break;
     case TSDB_DATA_TYPE_INT:
       *dst = taosMemoryCalloc(1, bufSize + 1);
       indexInt2str(*(int32_t*)src, *dst, -1);
+      tlen = strlen(*dst);
       break;
     case TSDB_DATA_TYPE_UINT:
       *dst = taosMemoryCalloc(1, bufSize + 1);
       indexInt2str(*(uint32_t*)src, *dst, 1);
+      tlen = strlen(*dst);
       break;
     case TSDB_DATA_TYPE_BIGINT:
       *dst = taosMemoryCalloc(1, bufSize + 1);
       sprintf(*dst, "%" PRIu64, *(uint64_t*)src);
+      tlen = strlen(*dst);
       break;
     case TSDB_DATA_TYPE_UBIGINT:
       *dst = taosMemoryCalloc(1, bufSize + 1);
       indexInt2str(*(uint64_t*)src, *dst, 1);
+      tlen = strlen(*dst);
     case TSDB_DATA_TYPE_FLOAT:
       *dst = taosMemoryCalloc(1, bufSize + 1);
       sprintf(*dst, "%.9lf", *(float*)src);
+      tlen = strlen(*dst);
       break;
     case TSDB_DATA_TYPE_DOUBLE:
       *dst = taosMemoryCalloc(1, bufSize + 1);
       sprintf(*dst, "%.9lf", *(double*)src);
+      tlen = strlen(*dst);
       break;
     case TSDB_DATA_TYPE_NCHAR: {
       tlen = taosEncodeBinary(NULL, varDataVal(src), varDataLen(src));
diff --git a/source/libs/index/test/jsonUT.cc b/source/libs/index/test/jsonUT.cc
index f0c64554422b2ad6dae59f5822537500b66d3e1d..ffb102ef2eee0bc2e74e80616a10e4c0ccbe9cce 100644
--- a/source/libs/index/test/jsonUT.cc
+++ b/source/libs/index/test/jsonUT.cc
@@ -66,6 +66,17 @@ static void WriteData(SIndexJson* index, const std::string& colName, int8_t dtyp
 
   indexMultiTermDestroy(terms);
 }
+
+static void delData(SIndexJson* index, const std::string& colName, int8_t dtype, void* data, int dlen, int tableId,
+                    int8_t operType = DEL_VALUE) {
+  SIndexTerm* term =
+      indexTermCreate(1, (SIndexOperOnColumn)operType, dtype, colName.c_str(), colName.size(), (const char*)data, dlen);
+  SIndexMultiTerm* terms = indexMultiTermCreate();
+  indexMultiTermAdd(terms, term);
+  tIndexJsonPut(index, terms, (int64_t)tableId);
+
+  indexMultiTermDestroy(terms);
+}
 static void Search(SIndexJson* index, const std::string& colNam, int8_t dtype, void* data, int dlen, int8_t filterType,
                    SArray** result) {
   std::string colName(colNam);
@@ -580,38 +591,46 @@ TEST_F(JsonEnv, testWriteJsonTfileAndCache_FLOAT) {
 }
 TEST_F(JsonEnv, testWriteJsonTfileAndCache_DOUBLE) {
   {
-    double      val = 10.0;
-    std::string colName("test1");
+    double val = 10.0;
     for (int i = 0; i < 1000; i++) {
-      WriteData(index, colName, TSDB_DATA_TYPE_DOUBLE, &val, sizeof(val), i);
+      WriteData(index, "test1", TSDB_DATA_TYPE_DOUBLE, &val, sizeof(val), i);
     }
   }
   {
-    double      val = 2.0;
-    std::string colName("test1");
+    double val = 2.0;
     for (int i = 0; i < 1000; i++) {
-      WriteData(index, colName, TSDB_DATA_TYPE_DOUBLE, &val, sizeof(val), i + 1000);
+      WriteData(index, "test1", TSDB_DATA_TYPE_DOUBLE, &val, sizeof(val), i + 1000);
     }
   }
   {
     SArray*     res = NULL;
     std::string colName("test1");
     double      val = 1.9;
-    Search(index, colName, TSDB_DATA_TYPE_DOUBLE, &val, sizeof(val), QUERY_GREATER_EQUAL, &res);
+    Search(index, "test1", TSDB_DATA_TYPE_DOUBLE, &val, sizeof(val), QUERY_GREATER_EQUAL, &res);
     EXPECT_EQ(2000, taosArrayGetSize(res));
   }
   {
-    SArray*     res = NULL;
-    std::string colName("test1");
-    double      val = 2.1;
-    Search(index, colName, TSDB_DATA_TYPE_DOUBLE, &val, sizeof(val), QUERY_GREATER_EQUAL, &res);
+    SArray* res = NULL;
+    double  val = 2.1;
+    Search(index, "test1", TSDB_DATA_TYPE_DOUBLE, &val, sizeof(val), QUERY_GREATER_EQUAL, &res);
     EXPECT_EQ(1000, taosArrayGetSize(res));
   }
   {
-    std::string colName("test1");
-    SArray*     res = NULL;
-    double      val = 2.1;
-    Search(index, colName, TSDB_DATA_TYPE_DOUBLE, &val, sizeof(val), QUERY_GREATER_EQUAL, &res);
+    SArray* res = NULL;
+    double  val = 2.1;
+    Search(index, "test1", TSDB_DATA_TYPE_DOUBLE, &val, sizeof(val), QUERY_GREATER_EQUAL, &res);
+    EXPECT_EQ(1000, taosArrayGetSize(res));
+  }
+  {
+    SArray* res = NULL;
+    double  val = 10.0;
+    Search(index, "test1", TSDB_DATA_TYPE_DOUBLE, &val, sizeof(val), QUERY_LESS_EQUAL, &res);
+    EXPECT_EQ(2000, taosArrayGetSize(res));
+  }
+  {
+    SArray* res = NULL;
+    double  val = 10.0;
+    Search(index, "test1", TSDB_DATA_TYPE_DOUBLE, &val, sizeof(val), QUERY_LESS_THAN, &res);
     EXPECT_EQ(1000, taosArrayGetSize(res));
   }
 }
diff --git a/source/libs/transport/src/transSrv.c b/source/libs/transport/src/transSrv.c
index d1bd78f809f90ac94f80fde65991d12ef55e5015..84adeb4bf69686091c16a7d12df9855b9ba1fbac 100644
--- a/source/libs/transport/src/transSrv.c
+++ b/source/libs/transport/src/transSrv.c
@@ -264,6 +264,7 @@ static void uvHandleReq(SSrvConn* pConn) {
   CONN_SHOULD_RELEASE(pConn, pHead);
 
   STransMsg transMsg;
+  memset(&transMsg, 0, sizeof(transMsg));
   transMsg.contLen = transContLenFromMsg(pHead->msgLen);
   transMsg.pCont = pHead->content;
   transMsg.msgType = pHead->msgType;