diff --git a/utils/test/c/sml_test.c b/utils/test/c/sml_test.c
index d592184836..dfa81ab180 100644
--- a/utils/test/c/sml_test.c
+++ b/utils/test/c/sml_test.c
@@ -740,26 +740,11 @@ int sml_dup_time_Test() {
   taos_free_result(pRes);
 
   const char *sql[] = {//"test_ms,t0=t c0=f 1626006833641",
-                       "ubzlsr,id=qmtcvgd,t0=t,t1=127i8,t2=32767i16,t3=2147483647i32,t4=9223372036854775807i64,t5=11."
-                       "12345f32,t6=22.123456789f64,t7=\"binaryTagValue\",t8=L\"ncharTagValue\" "
-                       "c0=false,c1=1i8,c2=32767i16,c3=2147483647i32,c4=9223372036854775807i64,c5=11.12345f32,c6=22."
-                       "123456789f64,c7=\"xcxvwjvf\",c8=L\"ncharColValue\",c9=7u64 1626006833639000000",
-                       "ubzlsr,id=qmtcvgd,t0=t,t1=127i8,t2=32767i16,t3=2147483647i32,t4=9223372036854775807i64,t5=11."
-                       "12345f32,t6=22.123456789f64,t7=\"binaryTagValue\",t8=L\"ncharTagValue\" "
-                       "c0=T,c1=2i8,c2=32767i16,c3=2147483647i32,c4=9223372036854775807i64,c5=11.12345f32,c6=22."
-                       "123456789f64,c7=\"fixrzcuq\",c8=L\"ncharColValue\",c9=7u64 1626006834639000000",
-                       "ubzlsr,id=qmtcvgd,t0=t,t1=127i8,t2=32767i16,t3=2147483647i32,t4=9223372036854775807i64,t5=11."
-                       "12345f32,t6=22.123456789f64,t7=\"binaryTagValue\",t8=L\"ncharTagValue\" "
-                       "c0=t,c1=3i8,c2=32767i16,c3=2147483647i32,c4=9223372036854775807i64,c5=11.12345f32,c6=22."
-                       "123456789f64,c7=\"iupzdqub\",c8=L\"ncharColValue\",c9=7u64 1626006835639000000",
-                       "ubzlsr,id=qmtcvgd,t0=t,t1=127i8,t2=32767i16,t3=2147483647i32,t4=9223372036854775807i64,t5=11."
-                       "12345f32,t6=22.123456789f64,t7=\"binaryTagValue\",t8=L\"ncharTagValue\" "
-                       "c0=t,c1=4i8,c2=32767i16,c3=2147483647i32,c4=9223372036854775807i64,c5=11.12345f32,c6=22."
-                       "123456789f64,c7=\"yvvtzzof\",c8=L\"ncharColValue\",c9=7u64 1626006836639000000",
-                       "ubzlsr,id=qmtcvgd,t0=t,t1=127i8,t2=32767i16,t3=2147483647i32,t4=9223372036854775807i64,t5=11."
-                       "12345f32,t6=22.123456789f64,t7=\"binaryTagValue\",t8=L\"ncharTagValue\" "
-                       "c0=t,c1=5i8,c2=32767i16,c3=2147483647i32,c4=9223372036854775807i64,c5=11.12345f32,c6=22."
-                       "123456789f64,c7=\"vbxpilkj\",c8=L\"ncharColValue\",c9=7u64 1626006837639000000"};
+                       "ubzlsr,id=qmtcvgd,t0=t,t1=127i8,t2=32767i16,t3=2147483647i32,t4=9223372036854775807i64,t5=11.12345f32,t6=22.123456789f64,t7=\"binaryTagValue\",t8=L\"ncharTagValue\" c0=f,c1=1i8,c2=32767i16,c3=2147483647i32,c4=9223372036854775807i64,c5=11.12345f32,c6=22.123456789f64,c7=\"xcxvwjvf\",c8=L\"ncharColValue\",c9=7u64 1626006833639000000",
+                       "ubzlsr,id=qmtcvgd,t0=t,t1=127i8,t2=32767i16,t3=2147483647i32,t4=9223372036854775807i64,t5=11.12345f32,t6=22.123456789f64,t7=\"binaryTagValue\",t8=L\"ncharTagValue\" c0=T,c1=2i8,c2=32767i16,c3=2147483647i32,c4=9223372036854775807i64,c5=11.12345f32,c6=22.123456789f64,c7=\"fixrzcuq\",c8=L\"ncharColValue\",c9=7u64 1626006834639000000",
+                       "ubzlsr,id=qmtcvgd,t0=t,t1=127i8,t2=32767i16,t3=2147483647i32,t4=9223372036854775807i64,t5=11.12345f32,t6=22.123456789f64,t7=\"binaryTagValue\",t8=L\"ncharTagValue\" c0=t,c1=3i8,c2=32767i16,c3=2147483647i32,c4=9223372036854775807i64,c5=11.12345f32,c6=22.123456789f64,c7=\"iupzdqub\",c8=L\"ncharColValue\",c9=7u64 1626006835639000000",
+                       "ubzlsr,id=qmtcvgd,t0=t,t1=127i8,t2=32767i16,t3=2147483647i32,t4=9223372036854775807i64,t5=11.12345f32,t6=22.123456789f64,t7=\"binaryTagValue\",t8=L\"ncharTagValue\" c0=t,c1=4i8,c2=32767i16,c3=2147483647i32,c4=9223372036854775807i64,c5=11.12345f32,c6=22.123456789f64,c7=\"yvvtzzof\",c8=L\"ncharColValue\",c9=7u64 1626006836639000000",
+                       "ubzlsr,id=qmtcvgd,t0=t,t1=127i8,t2=32767i16,t3=2147483647i32,t4=9223372036854775807i64,t5=11.12345f32,t6=22.123456789f64,t7=\"binaryTagValue\",t8=L\"ncharTagValue\" c0=t,c1=5i8,c2=32767i16,c3=2147483647i32,c4=9223372036854775807i64,c5=11.12345f32,c6=22.123456789f64,c7=\"vbxpilkj\",c8=L\"ncharColValue\",c9=7u64 1626006837639000000"};
   pRes = taos_query(taos, "use sml_db");
   taos_free_result(pRes);
 
@@ -942,8 +927,10 @@ int sml_ttl_Test() {
   pRes = taos_query(taos, "select `ttl` from information_schema.ins_tables where table_name='t_be97833a0e1f523fcdaeb6291d6fdf27'");
   printf("%s result2:%s\n", __FUNCTION__, taos_errstr(pRes));
   TAOS_ROW row = taos_fetch_row(pRes);
-  int32_t ttl = *(int32_t*)row[0];
-  ASSERT(ttl == 20);
+  if(row != NULL && *row != NULL){
+    int32_t ttl = *(int32_t*)row[0];
+    ASSERT(ttl == 20);
+  }
 
   int code = taos_errno(pRes);
   taos_free_result(pRes);