diff --git a/iotdb/src/main/java/org/apache/iotdb/db/qp/QueryProcessor.java b/iotdb/src/main/java/org/apache/iotdb/db/qp/QueryProcessor.java
index 1ec75a75ddc7..1bd7ae074a15 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/qp/QueryProcessor.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/qp/QueryProcessor.java
@@ -67,10 +67,15 @@ public PhysicalPlan parseSQLToPhysicalPlan(String sqlStr)
 
   public PhysicalPlan parseSQLToPhysicalPlan(String sqlStr, ZoneId zoneId)
       throws QueryProcessorException, ArgsErrorException, ProcessorException {
+    System.out.println("parseSQLToAST");
     AstNode astNode = parseSQLToAST(sqlStr);
+    System.out.println("parseASTToOperator");
     Operator operator = parseASTToOperator(astNode, zoneId);
+    System.out.println("logicalOptimize");
     operator = logicalOptimize(operator, executor);
+    System.out.println("transformToPhysicalPlan");
     PhysicalGenerator physicalGenerator = new PhysicalGenerator(executor);
+    System.out.println("transformToPhysicalPlan");
     return physicalGenerator.transformToPhysicalPlan(operator);
   }
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/sql/DatetimeUtilsTest.java b/iotdb/src/test/java/org/apache/iotdb/db/sql/DatetimeUtilsTest.java
index e6a2da20e060..38669cfd091c 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/sql/DatetimeUtilsTest.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/sql/DatetimeUtilsTest.java
@@ -42,7 +42,12 @@ public class DatetimeUtilsTest {
   public void setUp() throws Exception {
     zoneOffset = ZonedDateTime.now().getOffset();
     zoneId = ZoneId.systemDefault();
-    delta = (8 - Long.parseLong(zoneOffset.toString().split(":")[0])) * 3600000;
+    System.out.println(zoneOffset.toString());
+    if(zoneOffset.toString().equals("Z")){
+      delta = 8 * 3600000;
+    } else {
+      delta = (8 - Long.parseLong(zoneOffset.toString().split(":")[0])) * 3600000;
+    }
   }
 
   @After