diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..0820b3d
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1 @@
+*.hdf5 filter=lfs diff=lfs merge=lfs -text
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2f05f91..f1eed6a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -32,5 +32,5 @@ message("List of compile features: ${CMAKE_CXX_COMPILE_FEATURES}")
 message("CMake build type: ${CMAKE_BUILD_TYPE}")
 
 include(CTest)
-add_test(NAME fold COMMAND ufo fold ${PROJECT_SOURCE_DIR}/test/fold/config.yaml)
-
+add_test(NAME fold WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}/test/fold COMMAND ufo fold config.yaml)
+add_test(NAME unfold WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}/test/unfold COMMAND ufo unfold config.yaml)
diff --git a/src/unfold.cpp b/src/unfold.cpp
index bd3128c..f0767df 100644
--- a/src/unfold.cpp
+++ b/src/unfold.cpp
@@ -27,8 +27,8 @@ void ufo::unfold(std::string config_file)
     // PositionToSuperCell(line vector) * SuperCell = PositionToPrimativeCell(line vector) * PrimativeCell
     // ReciprocalPositionToSuperCell(line vector) * ReciprocalSuperCell
     //  = ReciprocalPositionToPrimativeCell(line vector) * ReciprocalPrimativeCell
-    Eigen::Matrix3d SuperCellDeformation;
     Eigen::Vector3i SuperCellMultiplier;
+    Eigen::Matrix3d SuperCellDeformation;
 
     // 在单胞内取几个平面波的基矢
     Eigen::Vector<std::size_t, 3> PrimativeCellBasisNumber;
@@ -49,6 +49,8 @@ void ufo::unfold(std::string config_file)
   // 返回值为原子类型和原子质量的对应关系
   auto read_qpoint = [](std::string phonopy_file, std::string qpoint_file, auto& data)
   {
+    biu::Logger::Guard log(phonopy_file, qpoint_file, data);
+
     // phonopy 的输出有两种可能。
     // 直接指定计算的 q 点时，frequency 是 2 维，这时第一个维度是 q 点，第二个维度是不同模式。
     // 计算能带时，frequency 是 3 维，相比于二维的情况多了第一个维度，表示 q 点所在路径。
@@ -100,8 +102,8 @@ void ufo::unfold(std::string config_file)
 
     // 读取并写入其它数据
     YAML::Node phonopy = YAML::LoadFile(phonopy_file);
-    data.Cell = phonopy["unit_cell"]["lattice"].as<std::array<std::array<double, 3>, 3>>() | biu::toEigen<>;
-    auto points = phonopy["points"].as<std::vector<YAML::Node>>();
+    data.Cell = phonopy["unit_cell"]["lattice"].as<Eigen::Matrix3d>();
+    auto points = phonopy["unit_cell"]["points"].as<std::vector<YAML::Node>>();
     data.AtomType = points
       | ranges::views::transform([](const YAML::Node& point) { return point["symbol"].as<std::string>(); })
       | ranges::views::chunk_by(std::ranges::equal_to{})
diff --git a/test/unfold/.gitattributes b/test/unfold/.gitattributes
new file mode 100644
index 0000000..15f4758
--- /dev/null
+++ b/test/unfold/.gitattributes
@@ -0,0 +1 @@
+*phonopy.yaml filter=lfs diff=lfs merge=lfs -text
diff --git a/test/unfold/.gitignore b/test/unfold/.gitignore
new file mode 100644
index 0000000..03d5ccf
--- /dev/null
+++ b/test/unfold/.gitignore
@@ -0,0 +1 @@
+unfold-output.zpp
\ No newline at end of file
diff --git a/test/unfold/config.yaml b/test/unfold/config.yaml
new file mode 100644
index 0000000..e6e2ef4
--- /dev/null
+++ b/test/unfold/config.yaml
@@ -0,0 +1,12 @@
+SuperCellMultiplier: [4, 4, 1]
+SuperCellDeformation:
+  - [ 1, 0, 0 ]
+  - [ 0.5, 1, 0 ]
+  - [ 0, 0, 1 ]
+PrimativeCellBasisNumber: [ 8, 8, 8 ]
+PrimativePhonopy: primitive-phonopy.yaml
+PrimativeQpoint: primitive-band.hdf5
+SuperPhonopy: super-phonopy.yaml
+SuperQpoint: super-qpoints.hdf5
+OutputFile: unfold-output.zpp
+
diff --git a/test/unfold/primitive-band.hdf5 b/test/unfold/primitive-band.hdf5
new file mode 100644
index 0000000..730cc36
--- /dev/null
+++ b/test/unfold/primitive-band.hdf5
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ef2ef96ef3ee206f207f12b806576e2849cbe16a5d22ab6953448234160df8d5
+size 489680
diff --git a/test/unfold/primitive-phonopy.yaml b/test/unfold/primitive-phonopy.yaml
new file mode 100644
index 0000000..30baceb
--- /dev/null
+++ b/test/unfold/primitive-phonopy.yaml
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c63b83fc670851ddc81c6e8472d899ac0bd12e2de1054f90855f40287dd31321
+size 12575
diff --git a/test/unfold/super-phonopy.yaml b/test/unfold/super-phonopy.yaml
new file mode 100644
index 0000000..3734268
--- /dev/null
+++ b/test/unfold/super-phonopy.yaml
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:09182492273390c4e3085ee57147f55a9e3d938d221cca5e7ab03b0ab976e621
+size 52474
diff --git a/test/unfold/super-qpoints.hdf5 b/test/unfold/super-qpoints.hdf5
new file mode 100644
index 0000000..2b87f74
--- /dev/null
+++ b/test/unfold/super-qpoints.hdf5
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:762a81b4ac321b39253105e691d26b19ba98dd3c7069637c368a51a41ef85f2b
+size 2364440