diff --git a/homework2/.eide/eide.json b/homework2/.eide/eide.json
index 379a9e5..b1191f3 100644
--- a/homework2/.eide/eide.json
+++ b/homework2/.eide/eide.json
@@ -18,7 +18,9 @@
   },
   "targets": {
     "Debug": {
-      "excludeList": [],
+      "excludeList": [
+        "src/test1.c"
+      ],
       "toolchain": "Keil_C51",
       "compileConfig": {
         "options": "null"
diff --git a/homework2/src/test2.c b/homework2/src/test2.c
index e66299e..27672e6 100644
--- a/homework2/src/test2.c
+++ b/homework2/src/test2.c
@@ -1,7 +1,18 @@
-//test2.c
-//让一个LED灯闪烁
+// test2.c
+// 让一个LED灯闪烁
 #include <reg52.h>
-#include"homework2.h"
-void main(){
-    
+#include "homework2.h"
+void main()
+{
+    ENLED = 0;
+    ADDR3 = 1;
+    ADDR2 = 1;
+    ADDR1 = 1;
+    ADDR0 = 0;
+    while (1) {
+        D1 = 0;
+        Delay(100000);
+        D1 = 1;
+        Delay(100000);
+    }
 }
\ No newline at end of file