diff --git a/src/common/src/tvariant.c b/src/common/src/tvariant.c
index 9e0f7ffc7411ce5e2a5a81d0e58a67e231580d00..42ece19588d357ef551a4ecb9329dea246d2bae4 100644
--- a/src/common/src/tvariant.c
+++ b/src/common/src/tvariant.c
@@ -31,12 +31,12 @@ void tVariantCreate(tVariant *pVar, SStrToken *token) {
 
   switch (token->type) {
     case TSDB_DATA_TYPE_BOOL: {
-      int32_t k = strncasecmp(token->z, "true", 4);
-      if (k == 0) {
+      if (strncasecmp(token->z, "true", 4) == 0) {
         pVar->i64 = TSDB_TRUE;
-      } else {
-        assert(strncasecmp(token->z, "false", 5) == 0);
+      } else if (strncasecmp(token->z, "false", 5) == 0) {
         pVar->i64 = TSDB_FALSE;
+      } else {
+        return;
       }
 
       break;