diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6aede00..6e013ad 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -73,6 +73,14 @@ FetchContent_Declare(
 )
 FetchContent_MakeAvailable(sockpp)
 
+FetchContent_Declare(
+  zstd
+  URL_HASH SHA256=3b1c3b46e416d36931efd34663122d7f51b550c87f74de2d38249516fe7d8be5
+  URL ${CMAKE_SOURCE_DIR}/deps/zstd-v1.5.6-mirror.zip
+  SOURCE_SUBDIR build/cmake
+)
+FetchContent_MakeAvailable(zstd)
+
 include_directories(${CMAKE_SOURCE_DIR}/bpt/include)
 include_directories(${CMAKE_SOURCE_DIR}/stlite)
 
diff --git a/deps/zstd-v1.5.6-mirror.zip b/deps/zstd-v1.5.6-mirror.zip
new file mode 100644
index 0000000..d0c685f
Binary files /dev/null and b/deps/zstd-v1.5.6-mirror.zip differ
diff --git a/design.md b/design.md
index 2b57dea..8dde41c 100644
--- a/design.md
+++ b/design.md
@@ -28,4 +28,5 @@ ___
 - argparse：提供优雅的命令行参数解析
 - googletest：调试用
 - spdlog：运行日志，调试用（不是数据库系统日志）
-- sockpp：服务器模式下与Python交互用
\ No newline at end of file
+- sockpp：服务器模式下与Python交互用
+- zstd：为快照系统提供数据压缩（只使用最基本的压缩功能，不借用其patch功能）
\ No newline at end of file
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index bb410ad..9cefa83 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -7,4 +7,5 @@ add_executable(${BACKEND_EXETUABLE_NAME} main.cpp)
 target_link_libraries(${BACKEND_EXETUABLE_NAME} argparse)
 target_link_libraries(${BACKEND_EXETUABLE_NAME} spdlog::spdlog)
 target_link_libraries(${BACKEND_EXETUABLE_NAME} sockpp)
+target_link_libraries(${BACKEND_EXETUABLE_NAME} libzstd_static)
 set_target_properties(${BACKEND_EXETUABLE_NAME} PROPERTIES RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR})
\ No newline at end of file
diff --git a/src/main.cpp b/src/main.cpp
index 929595b..d3a5ff7 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1,4 +1,5 @@
 #include <sockpp/tcp_acceptor.h>
+#include <zstd.h>
 #include "basic_defs.h"
 const std::string main_version = "0.0.1";
 const std::string build_version = GIT_COMMIT_HASH;