From cbad8951ec8eece7f61c2e5c11ac92e8a96dd6ca Mon Sep 17 00:00:00 2001
From: 924060929 <924060929@qq.com>
Date: Thu, 31 Oct 2024 14:49:09 +0800
Subject: [PATCH] fix

---
 .../trees/expressions/literal/format/DateTimeChecker.java     | 3 +--
 .../trees/expressions/literal/format/StringInspect.java       | 4 +++-
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/literal/format/DateTimeChecker.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/literal/format/DateTimeChecker.java
index 61302b276f09dc..7d60a01c0413c7 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/literal/format/DateTimeChecker.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/literal/format/DateTimeChecker.java
@@ -43,8 +43,7 @@ private DateTimeChecker() {
                                 chars(DateLiteral.punctuations::contains),
                                 digit(1, 2) // day
                             )
-                        ),
-                        option(ch('Z'))
+                        )
                     ),
                     // datetime
                     and("DateTime",
diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/literal/format/StringInspect.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/literal/format/StringInspect.java
index cc66e4db866233..b1429f460f731c 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/literal/format/StringInspect.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/literal/format/StringInspect.java
@@ -17,7 +17,9 @@
 
 package org.apache.doris.nereids.trees.expressions.literal.format;
 
-/** StringInspect */
+/**
+ * StringInspect, a simple lexer can save and move the index
+ */
 public class StringInspect {
     public final String str;
     private int index;