diff --git a/homework3/.eide/eide.json b/homework3/.eide/eide.json
index 777d686..8889ee1 100644
--- a/homework3/.eide/eide.json
+++ b/homework3/.eide/eide.json
@@ -18,7 +18,9 @@
   },
   "targets": {
     "Debug": {
-      "excludeList": [],
+      "excludeList": [
+        "src/test1.c"
+      ],
       "toolchain": "Keil_C51",
       "compileConfig": {
         "options": "null"
diff --git a/homework3/src/test1.c b/homework3/src/test1.c
index 6eb37cb..2a555b1 100644
--- a/homework3/src/test1.c
+++ b/homework3/src/test1.c
@@ -13,7 +13,7 @@ void test1()
     ADDR0 = 0;
 
     while (true) {
-        P2 = ~(0x80 >> cnt);
+        P2 = ~(0x01 << cnt);
         Delay(20000);
         cnt++;
         if (cnt >= 8) {
diff --git a/homework3/src/test2.c b/homework3/src/test2.c
new file mode 100644
index 0000000..d49bb73
--- /dev/null
+++ b/homework3/src/test2.c
@@ -0,0 +1,31 @@
+// test2.c
+// 右向流水灯（流水速度逐渐加快）
+#include "homework3.h"
+
+unsigned char cnt = 0;
+
+void test2()
+{
+    ENLED = 0;
+    ADDR3 = 1;
+    ADDR2 = 1;
+    ADDR1 = 1;
+    ADDR0 = 0;
+    i     = 100000;
+
+    while (true) {
+        P2 = ~(0x80 >> cnt);
+        Delay(i);
+        cnt++;
+        if (cnt >= 8) {
+            cnt = 0;
+        }
+        if (i > 5000) {
+            i -= 1000;
+        }
+    }
+}
+void main()
+{
+    test2();
+}
\ No newline at end of file