diff --git a/README.md b/README.md
index 3ab3f37..1b446b1 100644
--- a/README.md
+++ b/README.md
@@ -57,8 +57,8 @@ https://matsuridayo.github.io
 
 ## 运行参数
 
-- `-many` 无视同目录正在运行的实例，强行开启新的实例 (0.11+)
-- `-appdata` 开启后配置文件会放在共享目录，无法多开和自动升级 (0.11+)
+- `-many` 无视同目录正在运行的实例，强行开启新的实例 (0.11+)。
+- `-appdata` 开启后配置文件会指定目录，未指定目录则使用共享目录，无法多开和自动升级 (0.11+)。
 
 ## Windows 运行
 
diff --git a/main/NekoRay_DataStore.hpp b/main/NekoRay_DataStore.hpp
index 6ca68df..cc493b1 100644
--- a/main/NekoRay_DataStore.hpp
+++ b/main/NekoRay_DataStore.hpp
@@ -71,6 +71,7 @@ namespace NekoRay {
         bool spmode_vpn = false;
         bool spmode_system_proxy = false;
         bool need_keep_vpn_off = false;
+        QString appdataDir = "";
         QStringList ignoreConnTag = {};
 
         Routing *routing = new Routing;
diff --git a/main/main.cpp b/main/main.cpp
index d31955f..20b6787 100644
--- a/main/main.cpp
+++ b/main/main.cpp
@@ -78,7 +78,13 @@ int main(int argc, char* argv[]) {
     // Flags
     NekoRay::dataStore->argv = QApplication::arguments();
     if (NekoRay::dataStore->argv.contains("-many")) NekoRay::dataStore->flag_many = true;
-    if (NekoRay::dataStore->argv.contains("-appdata")) NekoRay::dataStore->flag_use_appdata = true;
+    if (NekoRay::dataStore->argv.contains("-appdata")) {
+        NekoRay::dataStore->flag_use_appdata = true;
+        int appdataIndex = NekoRay::dataStore->argv.indexOf("-appdata");
+        if (NekoRay::dataStore->argv.size() > appdataIndex + 1 && !NekoRay::dataStore->argv.at(appdataIndex + 1).startsWith("-")) {
+            NekoRay::dataStore->appdataDir = NekoRay::dataStore->argv.at(appdataIndex + 1);
+        }
+    }
     if (NekoRay::dataStore->argv.contains("-tray")) NekoRay::dataStore->flag_tray = true;
     if (NekoRay::dataStore->argv.contains("-debug")) NekoRay::dataStore->flag_debug = true;
     if (NekoRay::dataStore->argv.contains("-flag_linux_run_core_as_admin")) NekoRay::dataStore->flag_linux_run_core_as_admin = true;
@@ -93,9 +99,13 @@ int main(int argc, char* argv[]) {
     auto wd = QDir(QApplication::applicationDirPath());
     if (NekoRay::dataStore->flag_use_appdata) {
         QApplication::setApplicationName("nekoray");
-        wd.setPath(QStandardPaths::writableLocation(QStandardPaths::AppConfigLocation));
+        if (!NekoRay::dataStore->appdataDir.isEmpty()) {
+            wd.setPath(NekoRay::dataStore->appdataDir);
+        } else {
+            wd.setPath(QStandardPaths::writableLocation(QStandardPaths::AppConfigLocation));
+        }
     }
-    if (!wd.exists()) wd.mkdir(wd.absolutePath());
+    if (!wd.exists()) wd.mkpath(wd.absolutePath());
     if (!wd.exists("config")) wd.mkdir("config");
     QDir::setCurrent(wd.absoluteFilePath("config"));
     QDir("temp").removeRecursively();