diff --git a/tests/examples/c/apitest.c b/tests/examples/c/apitest.c
index be60a88ad70721bd6281d9ca8f1d73263a788532..e08d667d6be42bef3dc4e058fab10ac68f0809e0 100644
--- a/tests/examples/c/apitest.c
+++ b/tests/examples/c/apitest.c
@@ -79,11 +79,11 @@ static int print_result(TAOS_RES* res, int blockFetch) {
   if (blockFetch) {
     int rows = 0;
     while ((rows = taos_fetch_block(res, &row))) {
-      for (int i = 0; i < rows; i++) {
-        char temp[256];
-        taos_print_row(temp, row + i, fields, num_fields);
-        puts(temp);
-      }
+      //for (int i = 0; i < rows; i++) {
+      //  char temp[256];
+      //  taos_print_row(temp, row + i, fields, num_fields);
+      //  puts(temp);
+      //}
       nRows += rows;
     }
   } else {
@@ -498,4 +498,4 @@ int main(int argc, char *argv[]) {
 
   taos_close(taos);
   taos_cleanup();
-}
\ No newline at end of file
+}
diff --git a/tests/examples/c/subscribe.c b/tests/examples/c/subscribe.c
index 8368af18f7831d9c2cbb7402104b1c59042eda72..cdd8ddaf7f6c4d2e5088ef36cc00ad77a0c8ebc9 100644
--- a/tests/examples/c/subscribe.c
+++ b/tests/examples/c/subscribe.c
@@ -19,10 +19,10 @@ void print_result(TAOS_RES* res, int blockFetch) {
   
   if (blockFetch) {
     nRows = taos_fetch_block(res, &row);
-    for (int i = 0; i < nRows; i++) {
-      taos_print_row(buf, row + i, fields, num_fields);
-      puts(buf);
-    }
+    //for (int i = 0; i < nRows; i++) {
+    //  taos_print_row(buf, row + i, fields, num_fields);
+    //  puts(buf);
+    //}
   } else {
     while ((row = taos_fetch_row(res))) {
       taos_print_row(buf, row, fields, num_fields);