diff --git a/src/client/src/tscParseLineProtocol.c b/src/client/src/tscParseLineProtocol.c
index 4b9191a91fbbc27e81297d6679b82962480d4658..1fde741c2b03048c55e3f60e883e26bdfe298d75 100644
--- a/src/client/src/tscParseLineProtocol.c
+++ b/src/client/src/tscParseLineProtocol.c
@@ -540,13 +540,13 @@ int taos_sml_insert(TAOS* taos, TAOS_SML_DATA_POINT* points, int numPoint) {
 
   for (int i = 0; i < numPoint; ++i) {
     TAOS_SML_DATA_POINT* point = &points[i];
-    SSmlSTableSchema** ppStableSchema = taosHashGet(sname2shema, point->stableName, TSDB_TABLE_NAME_LEN);
+    size_t stableNameLen = strlen(point->stableName);
+    SSmlSTableSchema** ppStableSchema = taosHashGet(sname2shema, point->stableName, stableNameLen);
     SSmlSTableSchema* pStableSchema = NULL;
     if (ppStableSchema) {
       pStableSchema= *ppStableSchema;
     } else {
       SSmlSTableSchema schema;
-      size_t stableNameLen = strlen(point->stableName);
       strncpy(schema.sTableName, point->stableName, stableNameLen);
       schema.sTableName[stableNameLen] = '\0';
       schema.fields = taosArrayInit(64, sizeof(SSchema));
@@ -730,13 +730,13 @@ int32_t parseItemValue(SLPItem* item, LPItemKind kind) {
       item->length = (int16_t)tDataTypes[item->type].bytes;
       item->value = malloc(item->length);
       char* endptr = NULL;
-      *(item->value) = strtoll(sv, &endptr, 10);
+      *(int64_t*)(item->value) = strtoll(sv, &endptr, 10);
     } else {
       item->type = TSDB_DATA_TYPE_DOUBLE;
       item->length = (int16_t)tDataTypes[item->type].bytes;
       item->value = malloc(item->length);
       char* endptr = NULL;
-      *(item->value) = strtold(sv, &endptr);
+      *(double*)(item->value) = strtold(sv, &endptr);
     }
   } else if ((sv[0] == 'L' && sv[1] =='"') || sv[0] == '"' ) {
     if (sv[0] == 'L') {
@@ -744,7 +744,7 @@ int32_t parseItemValue(SLPItem* item, LPItemKind kind) {
       uint32_t bytes = item->valueToken.n - 3;
       item->length = bytes;
       item->value = malloc(bytes);
-      memcpy(item->value, sv+1, bytes);
+      memcpy(item->value, sv+2, bytes);
     } else if (sv[0]=='"'){
       item->type = TSDB_DATA_TYPE_BINARY;
       uint32_t bytes = item->valueToken.n - 2;
@@ -756,7 +756,7 @@ int32_t parseItemValue(SLPItem* item, LPItemKind kind) {
     item->type = TSDB_DATA_TYPE_BOOL;
     item->length = tDataTypes[item->type].bytes;
     item->value = malloc(tDataTypes[item->type].bytes);
-    *(item->value) = tolower(sv[0])=='t' ? TSDB_TRUE : TSDB_FALSE;
+    *(uint8_t*)(item->value) = tolower(sv[0])=='t' ? TSDB_TRUE : TSDB_FALSE;
   }
   return 0;
 }
diff --git a/tests/examples/c/apitest.c b/tests/examples/c/apitest.c
index dc77677774225c1c97e52db9705ba3f0be30885d..04a03df6fa29fade1779f4fbab0e13cadd0e2a40 100644
--- a/tests/examples/c/apitest.c
+++ b/tests/examples/c/apitest.c
@@ -952,9 +952,11 @@ void verify_stream(TAOS* taos) {
 int32_t verify_schema_less(TAOS* taos) {
   prepare_data(taos);
   char* lines[] = {
-      "st,t1=3i,t2=4,t3=\"t3\" c1=3i,c3=L\"passit\",c2=false,c4=4 1626006833639162922"
+      "st,t1=3i,t2=4,t3=\"t3\" c1=3i,c3=L\"passit\",c2=false,c4=4 1626006833639",
+      "st,t1=4i,t2=5,t3=\"t4\" c1=3i,c3=L\"passitagain\",c2=true,c4=5 1626006833640",
+      "st,t1=4i,t2=5,t3=\"t4\" c1=3i,c3=L\"passitagain\",c2=true,c4=5 1626006833642"
   };
-  int code = taos_insert_by_lines(taos, lines , 1);
+  int code = taos_insert_by_lines(taos, lines , 2);
   return code;
 }
 
@@ -976,7 +978,7 @@ int main(int argc, char *argv[]) {
   info = taos_get_client_info(taos);
   printf("client info: %s\n", info);
 
-  printf("************  verify query  *************\n");
+  printf("************  verify shemaless  *************\n");
   int code = verify_schema_less(taos);
   if (code == 0) {
     return code;