diff --git a/tests/unity/src/BUILD.gn b/tests/unity/src/BUILD.gn
new file mode 100755
index 0000000000000000000000000000000000000000..35016ccfc048da65245702ed637fb6c2e49fb79a
--- /dev/null
+++ b/tests/unity/src/BUILD.gn
@@ -0,0 +1,16 @@
+source_set("test_unity") {
+    configs += [ "//build/lite/config:compile_liteos_m" ]
+    sources = [
+        "unity.c",
+    ]
+    include_dirs = [
+        "//kernel/l1_m/liteos/components/lib/libsec/include",
+        "//vendor/huawei/watchgt/devkit/hal/include",
+        "//utils/include",
+        "//foundations/distributedschedule/interfaces/innerkits/samgr_lite/samgr",
+        "//foundations/communication/interfaces/innerkits/mpc_lite/transport",
+        "//foundations/communication/interfaces/innerkits/mpc_lite",
+        "//test/lite/testservice/include",
+        "//third_party/cJSON/tests/unity/src",
+    ]
+}
\ No newline at end of file
diff --git a/tests/unity/src/unity_internals.h b/tests/unity/src/unity_internals.h
old mode 100644
new mode 100755
index f78cebace4e271dc508b74b012d17c5db2b512ea..d6558c14a93c3057e729ae019f8997dd170f827c
--- a/tests/unity/src/unity_internals.h
+++ b/tests/unity/src/unity_internals.h
@@ -7,7 +7,7 @@
 #ifndef UNITY_INTERNALS_H
 #define UNITY_INTERNALS_H
 
-#include "../examples/unity_config.h"
+#include "test_fwk.h"
 
 #ifndef UNITY_EXCLUDE_SETJMP_H
 #include <setjmp.h>
@@ -241,7 +241,7 @@ typedef UNITY_FLOAT_TYPE UNITY_FLOAT;
 #ifndef UNITY_OUTPUT_CHAR
 /* Default to using putchar, which is defined in stdio.h */
 #include <stdio.h>
-#define UNITY_OUTPUT_CHAR(a) (void)putchar(a)
+#define UNITY_OUTPUT_CHAR(a) LiteTestPrint("%c", a)
 #else
   /* If defined as something else, make sure we declare it here so it's ready for use */
   #ifdef UNITY_OUTPUT_CHAR_HEADER_DECLARATION
@@ -253,7 +253,7 @@ extern void UNITY_OUTPUT_CHAR_HEADER_DECLARATION;
 #ifdef UNITY_USE_FLUSH_STDOUT
 /* We want to use the stdout flush utility */
 #include <stdio.h>
-#define UNITY_OUTPUT_FLUSH() (void)fflush(stdout)
+#define UNITY_OUTPUT_FLUSH() LiteTestPrint("")
 #else
 /* We've specified nothing, therefore flush should just be ignored */
 #define UNITY_OUTPUT_FLUSH()