diff --git a/main/main.cc b/main/main.cc
index c9d988f..89dafb3 100644
--- a/main/main.cc
+++ b/main/main.cc
@@ -1,5 +1,8 @@
-
+#include "add.h"
+#include "load.h"
+#include <cstdio>
 
 extern "C" void app_main() {
-
+    load();
+    printf("%d\n",add(5, 4));
 }
\ No newline at end of file
diff --git a/main/tests/add/add.cc b/main/tests/add/add.cc
new file mode 100644
index 0000000..f2b0a32
--- /dev/null
+++ b/main/tests/add/add.cc
@@ -0,0 +1,5 @@
+#include "add.h"
+
+int add(int a, int b) {
+    return a + b;
+}
\ No newline at end of file
diff --git a/main/tests/add/add.h b/main/tests/add/add.h
new file mode 100644
index 0000000..b016ee1
--- /dev/null
+++ b/main/tests/add/add.h
@@ -0,0 +1,2 @@
+
+int add(int a, int b);
\ No newline at end of file
diff --git a/main/tests/add/module.cmake b/main/tests/add/module.cmake
new file mode 100644
index 0000000..b97c84c
--- /dev/null
+++ b/main/tests/add/module.cmake
@@ -0,0 +1,27 @@
+# main/tests/add/module.cmake
+# 自动生成的模块脚手架，可直接手工修改。
+# 如果后续添加了新文件，可以手工在此处添加，或者删除本文件让脚本重新生成。
+
+if(NOT CONFIG_ENABLE_TEST_ADD AND NOT EARLY_EXPANSION)
+    message(STATUS "  [Skip] add module disabled by menuconfig.")
+    return()
+endif()
+
+list(APPEND MODULE_SRCS
+    "tests/add/add.cc"
+)
+
+list(APPEND MODULE_INCLUDE_DIRS
+    "tests/add"
+)
+
+# 需要公开依赖时，在这里手工补充。例如：
+# list(APPEND MODULE_REQUIRES
+#     esp_timer
+#     driver
+# )
+
+# 需要私有依赖时，在这里手工补充。例如：
+# list(APPEND MODULE_PRIV_REQUIRES
+#     nvs_flash
+# )
diff --git a/main/tests/load_gyroscope/load.cc b/main/tests/load_gyroscope/load.cc
new file mode 100644
index 0000000..1392a42
--- /dev/null
+++ b/main/tests/load_gyroscope/load.cc
@@ -0,0 +1,8 @@
+#include "load.h"
+#include <cstdio>
+#include <gyroscope.h>
+
+void load() {
+    Gyroscope g;
+    printf("load OK \n");
+}
\ No newline at end of file
diff --git a/main/tests/load_gyroscope/load.h b/main/tests/load_gyroscope/load.h
new file mode 100644
index 0000000..79e77a7
--- /dev/null
+++ b/main/tests/load_gyroscope/load.h
@@ -0,0 +1,2 @@
+
+void load();
\ No newline at end of file
diff --git a/main/tests/load_gyroscope/module.cmake b/main/tests/load_gyroscope/module.cmake
new file mode 100644
index 0000000..fa10d73
--- /dev/null
+++ b/main/tests/load_gyroscope/module.cmake
@@ -0,0 +1,27 @@
+# main/tests/load_gyroscope/module.cmake
+# 自动生成的模块脚手架，可直接手工修改。
+# 如果后续添加了新文件，可以手工在此处添加，或者删除本文件让脚本重新生成。
+
+if(NOT CONFIG_ENABLE_TEST_LOAD_GYROSCOPE AND NOT EARLY_EXPANSION)
+    message(STATUS "  [Skip] load_gyroscope module disabled by menuconfig.")
+    return()
+endif()
+
+list(APPEND MODULE_SRCS
+    "tests/load_gyroscope/load.cc"
+)
+
+list(APPEND MODULE_INCLUDE_DIRS
+    "tests/load_gyroscope"
+)
+
+# 需要公开依赖时，在这里手工补充。例如：
+# list(APPEND MODULE_REQUIRES
+#     esp_timer
+#     driver
+# )
+
+# 需要私有依赖时，在这里手工补充。例如：
+# list(APPEND MODULE_PRIV_REQUIRES
+#     nvs_flash
+# )