diff --git a/server/.example.env b/server/.example.env
index 8807f8e1c21f4934a32ca5101b3281f3e7c93df6..23c8380a9f97ca59a39afaaf36dbc25a5d9b6a01 100644
--- a/server/.example.env
+++ b/server/.example.env
@@ -1 +1,30 @@
-APP_DEBUG = true

[APP]
DEFAULT_TIMEZONE = Asia/Shanghai

[DATABASE]
TYPE = mysql
HOSTNAME = 127.0.0.1
DATABASE = test
USERNAME = username
PASSWORD = password
HOSTPORT = 3306
CHARSET = utf8mb4
DEBUG = true
PREFIX = la_

[LANG]
default_lang = zh-cn

[PROJECT]
UNIQUE_IDENTIFICATION = likeadmin
# 演示环境
DEMO_ENV = false
\ No newline at end of file
+APP_DEBUG = true
+
+[APP]
+DEFAULT_TIMEZONE = Asia/Shanghai
+
+[DATABASE]
+TYPE = mysql
+HOSTNAME = 127.0.0.1
+DATABASE = test
+USERNAME = username
+PASSWORD = password
+HOSTPORT = 3306
+CHARSET = utf8mb4
+DEBUG = true
+PREFIX = la_
+
+[CACHE]
+DRIVER = file
+HOST = 127.0.0.1
+PORT = 6379
+PASSWORD = ""
+PREFIX = "la"
+
+[LANG]
+default_lang = zh-cn
+
+[PROJECT]
+UNIQUE_IDENTIFICATION = likeadmin
+# 演示环境
+DEMO_ENV = false
\ No newline at end of file
diff --git a/server/app/adminapi/logic/setting/system/CacheLogic.php b/server/app/adminapi/logic/setting/system/CacheLogic.php
index 294fd15f715b77679fdacc25d32b7a604ab6c150..3adedd58853a76bb9085ad34c92cfe47bf138b8d 100644
--- a/server/app/adminapi/logic/setting/system/CacheLogic.php
+++ b/server/app/adminapi/logic/setting/system/CacheLogic.php
@@ -31,7 +31,13 @@ class CacheLogic extends BaseLogic
      */
     public static function clear()
     {
-       Cache::clear();
-       del_target_dir(app()->getRootPath().'runtime/file',true);
+        $redis = Cache::store()->handler();
+        if ($redis !== null) {
+            $keys = $redis->keys(env('cache.prefix') . '*');
+            foreach ($keys as $key => $value) {
+                $redis->del($value);
+            }
+        }
+        del_target_dir(app()->getRootPath() . 'runtime/file', true);
     }
 }
\ No newline at end of file
diff --git a/server/config/cache.php b/server/config/cache.php
index ce0ff9f07b6d0fbbc91cd016fd94c44105669627..19e7ce905ef52023751e761215d5c51dd57a542e 100644
--- a/server/config/cache.php
+++ b/server/config/cache.php
@@ -16,7 +16,7 @@ return [
             // 缓存保存目录
             'path'       => '',
             // 缓存前缀
-            'prefix'     => 'la',
+            'prefix'     => env('cache.prefix', 'la'),
             // 缓存有效期 0表示永久缓存
             'expire'     => 0,
             // 缓存标签前缀
@@ -27,15 +27,15 @@ return [
         // redis缓存
         'redis'  =>  [
             // 驱动方式
-            'type'   => 'redis',
+            'type'      => 'redis',
             // 服务器地址
-            'host'   => env('cache.host','like-redis'),
+            'host'      => env('cache.host','like-redis'),
             // 端口
-            'port'   => env('cache.port','6379'),
+            'port'      => env('cache.port','6379'),
             // 密码
-            'password' => env('cache.password', ''),
+            'password'  => env('cache.password', ''),
             // 缓存前缀
-            'prefix' => 'la:',
+            'prefix'    => env('cache.prefix', 'la') . ':',
         ],
     ],
 ];