diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1a9eb2b..73ede5e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -56,6 +56,7 @@ target_link_libraries(${PROJECT_NAME}
         SDL3::SDL3
         SDL3_ttf::SDL3_ttf
         SDL3_image::SDL3_image
+        nlohmann_json::nlohmann_json
 )
 
 # ========== Windows: 复制 DLL ==========
diff --git a/cmake/SDL.cmake b/cmake/SDL.cmake
index 7f6738e..7f21b79 100644
--- a/cmake/SDL.cmake
+++ b/cmake/SDL.cmake
@@ -35,4 +35,12 @@ FetchContent_Declare(
     GIT_TAG release-3.2.0
 )
 
-FetchContent_MakeAvailable(SDL3_image)
\ No newline at end of file
+FetchContent_MakeAvailable(SDL3_image)
+
+FetchContent_Declare(
+    nlohmann_json
+    GIT_REPOSITORY https://github.com/nlohmann/json.git
+    GIT_TAG v3.12.0   
+)
+
+FetchContent_MakeAvailable(nlohmann_json)
\ No newline at end of file