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 1bd7ae074a15b..e7abc1965351d 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
@@ -67,15 +67,12 @@ 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");
+    System.out.println(zoneId);
     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);
   }
 
@@ -91,7 +88,9 @@ public PhysicalPlan parseSQLToPhysicalPlan(String sqlStr, ZoneId zoneId)
    */
   private RootOperator parseASTToOperator(AstNode astNode, ZoneId zoneId)
       throws QueryProcessorException, ArgsErrorException {
+    System.out.println("LogicalGenerator");
     LogicalGenerator generator = new LogicalGenerator(zoneId);
+    System.out.println("getLogicalPlan");
     return generator.getLogicalPlan(astNode);
   }
 
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 38669cfd091c3..c76874a00b18a 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
@@ -45,9 +45,11 @@ public void setUp() throws Exception {
     System.out.println(zoneOffset.toString());
     if(zoneOffset.toString().equals("Z")){
       delta = 8 * 3600000;
+      zoneOffset = ZoneOffset.of("+00:00");
     } else {
       delta = (8 - Long.parseLong(zoneOffset.toString().split(":")[0])) * 3600000;
     }
+    System.out.println(delta);
   }
 
   @After