diff --git a/source/MaaUtils/AppRuntime/AppRuntime_Posix.cpp b/source/MaaUtils/AppRuntime/AppRuntime_Posix.cpp
index aee7ff57c..4ca889e7f 100644
--- a/source/MaaUtils/AppRuntime/AppRuntime_Posix.cpp
+++ b/source/MaaUtils/AppRuntime/AppRuntime_Posix.cpp
@@ -1,5 +1,35 @@
 #ifndef _WIN32
-
 #include "Utils/AppRuntime.h"
 
+#include <dlfcn.h>
+
+#include "Utils/Platform.h"
+
+MAA_NS_BEGIN
+
+void init_app_dir();
+
+static std::filesystem::path s_app_dir_cache;
+
+const std::filesystem::path& app_dir()
+{
+    if (s_app_dir_cache.empty()) {
+        init_app_dir();
+    }
+
+    return s_app_dir_cache;
+}
+
+void init_app_dir()
+{
+    Dl_info dl_info{};
+    if (dladdr((void*)init_app_dir, &dl_info) == 0) {
+        return;
+    }
+
+    s_app_dir_cache = MAA_NS::path(dl_info.dli_fname).parent_path();
+}
+
+MAA_NS_END
+
 #endif
diff --git a/source/MaaUtils/AppRuntime/AppRuntime_Win.cpp b/source/MaaUtils/AppRuntime/AppRuntime_Win.cpp
index b917f53d3..9cfd8fa17 100644
--- a/source/MaaUtils/AppRuntime/AppRuntime_Win.cpp
+++ b/source/MaaUtils/AppRuntime/AppRuntime_Win.cpp
@@ -1,5 +1,4 @@
 #ifdef _WIN32
-
 #include "Utils/AppRuntime.h"
 
 #include "Utils/Platform.h"