diff --git a/doc/CHANGELOG b/doc/CHANGELOG
index b2aa44068d..fed797ebf5 100644
--- a/doc/CHANGELOG
+++ b/doc/CHANGELOG
@@ -1,4 +1,4 @@
-2025-01-10 21.4
+2025-01-15 21.4
 完成的需求
 开源版：
 70378 应用版本号限制字段格式
diff --git a/module/misc/lang/de.php b/module/misc/lang/de.php
index e03514662d..81d21b0d76 100644
--- a/module/misc/lang/de.php
+++ b/module/misc/lang/de.php
@@ -114,7 +114,7 @@ $lang->misc->feature->promptExecImage   = 'theme/default/images/main/prompt_exec
 $lang->misc->feature->promptLearnMore   = 'https://www.zentao.net/book/zentaopms/1097.html';
 
 /* Release Date. */
-$lang->misc->releaseDate['21.4']        = '2025-01-10';
+$lang->misc->releaseDate['21.4']        = '2025-01-15';
 $lang->misc->releaseDate['21.3']        = '2024-12-27';
 $lang->misc->releaseDate['21.2']        = '2024-12-03';
 $lang->misc->releaseDate['21.1']        = '2024-11-15';
diff --git a/module/misc/lang/en.php b/module/misc/lang/en.php
index 45b178d9e0..79c915fc68 100644
--- a/module/misc/lang/en.php
+++ b/module/misc/lang/en.php
@@ -114,7 +114,7 @@ $lang->misc->feature->promptExecImage   = 'theme/default/images/main/prompt_exec
 $lang->misc->feature->promptLearnMore   = 'https://www.zentao.net/book/zentaopms/1097.html';
 
 /* Release Date. */
-$lang->misc->releaseDate['21.4']        = '2025-01-10';
+$lang->misc->releaseDate['21.4']        = '2025-01-15';
 $lang->misc->releaseDate['21.3']        = '2024-12-27';
 $lang->misc->releaseDate['21.2']        = '2024-12-03';
 $lang->misc->releaseDate['21.1']        = '2024-11-15';
diff --git a/module/misc/lang/fr.php b/module/misc/lang/fr.php
index 60f1f7cb52..13388067f0 100644
--- a/module/misc/lang/fr.php
+++ b/module/misc/lang/fr.php
@@ -114,7 +114,7 @@ $lang->misc->feature->promptExecImage   = 'theme/default/images/main/prompt_exec
 $lang->misc->feature->promptLearnMore   = 'https://www.zentao.net/book/zentaopms/1097.html';
 
 /* Release Date. */
-$lang->misc->releaseDate['21.4']        = '2025-01-10';
+$lang->misc->releaseDate['21.4']        = '2025-01-15';
 $lang->misc->releaseDate['21.3']        = '2024-12-27';
 $lang->misc->releaseDate['21.2']        = '2024-12-03';
 $lang->misc->releaseDate['21.1']        = '2024-11-15';
diff --git a/module/misc/lang/zh-cn.php b/module/misc/lang/zh-cn.php
index 36969df34a..74af784449 100644
--- a/module/misc/lang/zh-cn.php
+++ b/module/misc/lang/zh-cn.php
@@ -114,7 +114,7 @@ $lang->misc->feature->promptExecImage   = 'theme/default/images/main/prompt_exec
 $lang->misc->feature->promptLearnMore   = 'https://www.zentao.net/book/zentaopms/1097.html';
 
 /* Release Date. */
-$lang->misc->releaseDate['21.4']        = '2025-01-10';
+$lang->misc->releaseDate['21.4']        = '2025-01-15';
 $lang->misc->releaseDate['21.3']        = '2024-12-27';
 $lang->misc->releaseDate['21.2']        = '2024-12-03';
 $lang->misc->releaseDate['21.1']        = '2024-11-15';