diff --git a/build/test_results.json b/build/test_results.json
new file mode 100644
index 0000000000000000000000000000000000000000..8b79d22862762fd7fba236a98cb8850f0ee47513
--- /dev/null
+++ b/build/test_results.json
@@ -0,0 +1 @@
+{"channel": "gitee","courseId": 1558,"ext": "aaa","name": "","score": 2,"totalScore": 5}
diff --git a/exercises/01_helloworld.c b/exercises/01_helloworld.c
index e6100166bcb8fd1064fc94f2bb0e1a6952ba8bd1..01cc40f18d94d85391be4472fb944bcf7f41b224 100644
--- a/exercises/01_helloworld.c
+++ b/exercises/01_helloworld.c
@@ -4,7 +4,7 @@ int main(){
 
     // Print "Hello World!" to the console
     
-    
+    printf("Hello World!");
     
 
     return 0;
diff --git a/exercises/02_loop.c b/exercises/02_loop.c
index 3e361e61656c2d9ea05348a15fa275dcd3201b8a..e4c6573e0631f79567326e6cacf8976ce1a5d391 100644
--- a/exercises/02_loop.c
+++ b/exercises/02_loop.c
@@ -8,6 +8,8 @@
 int main(void)
 {
 	//TODO
-
+	for(int i = 1;i<=10;i++) {
+		printf("%d\n",i);
+	}
 	return 0;
 }
\ No newline at end of file