diff --git a/.gitignore b/.gitignore
index f5beb752e61ef5cbc9272b1c76dacd9cd7217ea4..e27a1a8cb0043177bbc28867dea24d12480f36d0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,4 +2,7 @@
 /static/js/app.js
 /static/js/field.js
 
-runtime/smarty/*
\ No newline at end of file
+runtime/smarty/*
+runtime/cache
+runtime/install
+runtime/logs
diff --git a/controllers/home/InstallController.php b/controllers/home/InstallController.php
index 58032f70f1b096197b4f2dd8d31ca824baa24f5d..73d9e3c47abaffafe90102d6fe1cef7e39a3f7ac 100644
--- a/controllers/home/InstallController.php
+++ b/controllers/home/InstallController.php
@@ -72,9 +72,9 @@ class InstallController extends PublicController
             Yii::$app->response->format = Response::FORMAT_JSON;
 
             $step2 = $request->post('Step2');
-
+            $dsn = empty($step2['sock']) ? "mysql:host={$step2['host']};port={$step2['port']}}" : "mysql:unix_socket={$step2['sock']}";
             $db = [
-                'dsn'      => "mysql:host={$step2['host']};port={$step2['port']}}",
+                'dsn'      => $dsn,
                 'username' => $step2['username'],
                 'password' => $step2['password'],
                 'charset'  => 'utf8',
@@ -100,7 +100,7 @@ class InstallController extends PublicController
                 return ['status' => 'error', 'message' => "数据库 {$step2['dbname']} 创建失败，没有创建数据库权限，请手动创建数据库"];
             }
 
-            $db['dsn']         = "mysql:host={$step2['host']};port={$step2['port']};dbname={$step2['dbname']}";
+            $db['dsn']         = "$dsn;dbname={$step2['dbname']}";
             $db['tablePrefix'] = $step2['prefix'];
             $db = ['class' => 'yii\db\Connection'] + $db;
 
diff --git a/views/install/step2.html b/views/install/step2.html
index f009ca48a702e3718127521477bc58fb269dd9c3..d6aab87b9a61543c597b4190cb9eb9908d43a53b 100644
--- a/views/install/step2.html
+++ b/views/install/step2.html
@@ -38,6 +38,13 @@
                                             </div>
                                         </div>
 
+                                        <div class="form-group">
+                                            <label class="col-sm-2 control-label">数据库sock路径（可选）</label>
+                                            <div class="col-sm-10">
+                                                <input type="text" name="Step2[sock]" class="form-control" placeholder="数据库服务器sock地址，例如：/run/mysqld/mysqld.sock" value="">
+                                            </div>
+                                        </div>
+
                                         <div class="form-group">
                                             <label class="col-sm-2 control-label">数据库端口号</label>
                                             <div class="col-sm-10">