diff --git a/tests/examples/JDBC/taosdemo/src/main/java/com/taosdata/taosdemo/utils/SqlSpeller.java b/tests/examples/JDBC/taosdemo/src/main/java/com/taosdata/taosdemo/utils/SqlSpeller.java
index 349fbfdb7b9bcb6efe56a8d2e87697bee922cc35..78489b0de75e35119efdde842130c7a2206d468f 100644
--- a/tests/examples/JDBC/taosdemo/src/main/java/com/taosdata/taosdemo/utils/SqlSpeller.java
+++ b/tests/examples/JDBC/taosdemo/src/main/java/com/taosdata/taosdemo/utils/SqlSpeller.java
@@ -6,6 +6,7 @@ import java.util.List;
 import java.util.Map;
 import java.util.Objects;
 import java.util.stream.Collectors;
+import java.util.stream.IntStream;
 
 public class SqlSpeller {
 
@@ -64,10 +65,18 @@ public class SqlSpeller {
 
     //f1, f2, f3
     private static String fieldValues(List<FieldValue> fields) {
-        return fields.stream()
-                .filter(Objects::nonNull)
-                .map(fieldValue -> "'" + fieldValue.getValue() + "'")
-                .collect(Collectors.joining(",", "(", ")"));
+        return IntStream.range(0, fields.size()).mapToObj(i -> {
+            if (i == 0) {
+                return "" + fields.get(i).getName() + "";
+            } else {
+                return "'" + fields.get(i).getValue() + "'";
+            }
+        }).collect(Collectors.joining(",", "(", ")"));
+
+//        return fields.stream()
+//                .filter(Objects::nonNull)
+//                .map(fieldValue -> "'" + fieldValue.getValue() + "'")
+//                .collect(Collectors.joining(",", "(", ")"));
     }
 
     //(f1, f2, f3),(f1, f2, f3)
diff --git a/tests/examples/JDBC/taosdemo/src/test/java/com/taosdata/taosdemo/utils/TimeStampUtilTest.java b/tests/examples/JDBC/taosdemo/src/test/java/com/taosdata/taosdemo/utils/TimeStampUtilTest.java
index 195db2b13efaec5b9d2451fbaff9c36f2bc41ac8..628594c4b18008fd9e278bb6d23d0d5f87489b56 100644
--- a/tests/examples/JDBC/taosdemo/src/test/java/com/taosdata/taosdemo/utils/TimeStampUtilTest.java
+++ b/tests/examples/JDBC/taosdemo/src/test/java/com/taosdata/taosdemo/utils/TimeStampUtilTest.java
@@ -17,9 +17,6 @@ public class TimeStampUtilTest {
 
     @Test
     public void longToDatetime() {
-        System.out.println(TimeStampUtil.longToDatetime(1293244920052l));
-
-
         String datetime = TimeStampUtil.longToDatetime(1510000000000L);
         assertEquals("2017-11-07 04:26:40.000", datetime);
         long timestamp = TimeStampUtil.datetimeToLong(datetime);