diff --git a/module/admin/control.php b/module/admin/control.php
index ff319be4ac..560aaf7625 100755
--- a/module/admin/control.php
+++ b/module/admin/control.php
@@ -614,4 +614,17 @@ class admin extends control
         $this->view->title = $this->lang->admin->cache;
         $this->display();
     }
+
+    /**
+     * 清除数据缓存。
+     * Clear data cache.
+     *
+     * @access public
+     * @return void
+     */
+    public function ajaxClearCache()
+    {
+        $this->dao->clearCache();
+        return $this->send(array('result' => 'success', 'message' => $this->lang->admin->clearSuccess, 'load' => true));
+    }
 }
diff --git a/module/admin/lang/de.php b/module/admin/lang/de.php
index 7a020634d4..a43d945734 100755
--- a/module/admin/lang/de.php
+++ b/module/admin/lang/de.php
@@ -53,9 +53,12 @@ $lang->admin->engineInfo     = "The <strong>%s</strong> table engine is <strong>
 $lang->admin->engineSummary['hasMyISAM'] = "There are %s tables that are not InnoDB engines";
 $lang->admin->engineSummary['allInnoDB'] = "All tables are InnoDB engines";
 
-$lang->admin->daoCache       = 'DAO Cache';
+$lang->admin->daoCache       = 'Data Cache';
+$lang->admin->clearCache     = 'Clear';
+$lang->admin->clearSuccess   = 'Cleared';
 $lang->admin->memory         = 'Memory';
 $lang->admin->usedMemory     = 'Total %s, %s used';
+$lang->admin->apcuNotice     = 'Data cache is based on the PHP-APCu extension, which needs to be loaded before enabling.';
 $lang->admin->apcuNotLoaded  = 'Please load the APCu extension before enabling DAO cache';
 $lang->admin->apcuNotEnabled = 'Please enable the apc.enabled option before enabling DAO cache';
 
diff --git a/module/admin/lang/en.php b/module/admin/lang/en.php
index ab94a8601c..5a1a8f43a2 100755
--- a/module/admin/lang/en.php
+++ b/module/admin/lang/en.php
@@ -53,9 +53,12 @@ $lang->admin->engineInfo                 = "The <strong>%s</strong> table engine
 $lang->admin->engineSummary['hasMyISAM'] = "There are %s tables that are not InnoDB engines";
 $lang->admin->engineSummary['allInnoDB'] = "All tables are InnoDB engines";
 
-$lang->admin->daoCache       = 'DAO Cache';
+$lang->admin->daoCache       = 'Data Cache';
+$lang->admin->clearCache     = 'Clear';
+$lang->admin->clearSuccess   = 'Cleared';
 $lang->admin->memory         = 'Memory';
 $lang->admin->usedMemory     = 'Total %s, %s used';
+$lang->admin->apcuNotice     = 'Data cache is based on the PHP-APCu extension, which needs to be loaded before enabling.';
 $lang->admin->apcuNotLoaded  = 'Please load the APCu extension before enabling DAO cache';
 $lang->admin->apcuNotEnabled = 'Please enable the apc.enabled option before enabling DAO cache';
 
diff --git a/module/admin/lang/fr.php b/module/admin/lang/fr.php
index 66d0c726f4..ae1935b8e4 100755
--- a/module/admin/lang/fr.php
+++ b/module/admin/lang/fr.php
@@ -53,9 +53,12 @@ $lang->admin->engineInfo     = "The <strong>%s</strong> table engine is <strong>
 $lang->admin->engineSummary['hasMyISAM'] = "There are %s tables that are not InnoDB engines";
 $lang->admin->engineSummary['allInnoDB'] = "All tables are InnoDB engines";
 
-$lang->admin->daoCache       = 'DAO Cache';
+$lang->admin->daoCache       = 'Data Cache';
+$lang->admin->clearCache     = 'Clear';
+$lang->admin->clearSuccess   = 'Cleared';
 $lang->admin->memory         = 'Memory';
 $lang->admin->usedMemory     = 'Total %s, %s used';
+$lang->admin->apcuNotice     = 'Data cache is based on the PHP-APCu extension, which needs to be loaded before enabling.';
 $lang->admin->apcuNotLoaded  = 'Please load the APCu extension before enabling DAO cache';
 $lang->admin->apcuNotEnabled = 'Please enable the apc.enabled option before enabling DAO cache';
 
diff --git a/module/admin/lang/zh-cn.php b/module/admin/lang/zh-cn.php
index 0d02496def..1014eff174 100755
--- a/module/admin/lang/zh-cn.php
+++ b/module/admin/lang/zh-cn.php
@@ -54,8 +54,11 @@ $lang->admin->engineSummary['hasMyISAM'] = "有%s个表不是InnoDB引擎";
 $lang->admin->engineSummary['allInnoDB'] = "所有的表都是InnoDB引擎了";
 
 $lang->admin->daoCache       = '数据缓存';
+$lang->admin->clearCache     = '清除缓存';
+$lang->admin->clearSuccess   = '清除成功';
 $lang->admin->memory         = '内存使用';
 $lang->admin->usedMemory     = '总计 %s，已使用 %s';
+$lang->admin->apcuNotice     = '数据缓存基于 PHP-APCu 扩展实现，开启前需要先加载 APCu 扩展。';
 $lang->admin->apcuNotLoaded  = '请加载 APCu 扩展后再开启数据缓存';
 $lang->admin->apcuNotEnabled = '请启用 apc.enabled 选项后再开启数据缓存';
 
diff --git a/module/admin/ui/cache.html.php b/module/admin/ui/cache.html.php
index e99cca7765..0bea985dca 100644
--- a/module/admin/ui/cache.html.php
+++ b/module/admin/ui/cache.html.php
@@ -12,6 +12,12 @@ namespace zin;
 
 formPanel
 (
+    set::actions
+    ([
+        'submit',
+        $config->cache->dao->enable ? ['text' => $lang->admin->clearCache, 'url' => inlink('ajaxClearCache'), 'class' => 'secondary ajax-submit'] : null,
+        'cancel'
+    ]),
     formGroup
     (
         set::label($lang->admin->daoCache),
@@ -21,7 +27,8 @@ formPanel
             set::items($lang->admin->cacheStatusList),
             set::value($config->cache->dao->enable),
             set::inline(true)
-        )
+        ),
+        span(setClass('ml-4 mt-1.5'), icon('info text-warning mr-2'), $lang->admin->apcuNotice)
     ),
     helper::isAPCuEnabled() && $this->config->cache->dao->driver == 'Apcu' ? formRow
     (