diff --git a/src/MaaCore/Utils/DebugImageHelper.hpp b/src/MaaCore/Utils/DebugImageHelper.hpp
index 9f59ab035a..e4518898bc 100644
--- a/src/MaaCore/Utils/DebugImageHelper.hpp
+++ b/src/MaaCore/Utils/DebugImageHelper.hpp
@@ -81,6 +81,11 @@ inline bool save_debug_image(
     static std::mutex s_mutex;
 
     auto norm_dir = relative_dir.lexically_normal();
+    const auto& base_dir = UserDir.get();
+    auto res = std::mismatch(base_dir.begin(), base_dir.end(), norm_dir.begin());
+    if (norm_dir.is_relative() && res.first != base_dir.end()) {
+        norm_dir = base_dir / norm_dir;
+    }
 
     if (auto_clean) {
         std::lock_guard<std::mutex> lock(s_mutex);
diff --git a/src/MaaCore/Utils/WorkingDir.hpp b/src/MaaCore/Utils/WorkingDir.hpp
index 961a9739ad..773c503264 100644
--- a/src/MaaCore/Utils/WorkingDir.hpp
+++ b/src/MaaCore/Utils/WorkingDir.hpp
@@ -19,12 +19,13 @@ public:
 
     const std::filesystem::path& get() const noexcept { return dir_; }
 
-    bool set(std::filesystem::path dir)
+    bool set(const std::filesystem::path& dir)
     {
-        if (!std::filesystem::exists(dir) || !std::filesystem::is_directory(dir)) {
+        auto norm_dir = dir.lexically_normal();
+        if (!std::filesystem::exists(norm_dir) || !std::filesystem::is_directory(norm_dir)) {
             return false;
         }
-        dir_ = std::move(dir);
+        dir_ = std::move(norm_dir);
         return true;
     }