diff --git a/cachelab/Cache b/cachelab/Cache
index a34c305..9581b91 100755
Binary files a/cachelab/Cache and b/cachelab/Cache differ
diff --git a/cachelab/Cache.c b/cachelab/Cache.c
index e27448b..9171c5f 100644
--- a/cachelab/Cache.c
+++ b/cachelab/Cache.c
@@ -595,8 +595,7 @@ UINT8 AccessDataCache(UINT64 Address, UINT8 Operation, UINT8 DataSize,
   UINT8 MissFlag = 'M';
   UINT64 ReadValue = 0;
 
-  // 仅用于处理函数实现，实际不使用结果
-  char _unused_L2Result;
+  char L2Result;
 
   // 检查命中
   for (int i = 0; i < DCACHE_LINE_PER_SET; i++) {
@@ -735,7 +734,7 @@ UINT8 AccessDataCache(UINT64 Address, UINT8 Operation, UINT8 DataSize,
       }
 
       // 先从L2加载新行到L1
-      _unused_L2Result = LoadDataFromL2ToL1(Address, Set, replace_Line);
+      L2Result = LoadDataFromL2ToL1(Address, Set, replace_Line);
 
       DCache[Set].Line[replace_Line].Valid = 1;
       DCache[Set].Line[replace_Line].Tag = Tag;
@@ -796,7 +795,7 @@ UINT8 AccessDataCache(UINT64 Address, UINT8 Operation, UINT8 DataSize,
       }
 
       // 先从L2加载新行到L1
-      _unused_L2Result = LoadDataFromL2ToL1(Address, Set, replace_Line);
+      L2Result = LoadDataFromL2ToL1(Address, Set, replace_Line);
 
       DCache[Set].Line[replace_Line].Valid = 1;
       DCache[Set].Line[replace_Line].Tag = Tag;
@@ -874,9 +873,7 @@ UINT8 AccessInstCache(UINT64 Address, UINT8 Operation, UINT8 InstSize,
   UINT8 HitLine;
   UINT8 MissFlag = 'M';
   UINT64 ReadValue = 0;
-
-  // 仅用于处理函数实现，实际不使用结果
-  char _unused_L2Result;
+  UINT32 L2Result;
 
   *InstResult = 0;
 
@@ -941,7 +938,7 @@ UINT8 AccessInstCache(UINT64 Address, UINT8 Operation, UINT8 InstSize,
     UINT8 replace_line = GetReplaceLineInst(set);
 
     // 从L2加载数据到I-Cache
-    _unused_L2Result = LoadInstFromL2ToICache(Address, set, replace_line);
+    L2Result = LoadInstFromL2ToICache(Address, set, replace_line);
 
     // 重新读取指令
     switch (InstSize) {
diff --git a/cachelab/Makefile b/cachelab/Makefile
index ebeeec8..3f81f0d 100644
--- a/cachelab/Makefile
+++ b/cachelab/Makefile
@@ -9,7 +9,9 @@ LDFLAGS +=
 LDLIBS   += -lzstd
 
 
-CPPFLAGS := -O3 -Wall -Wextra -Winline -Winit-self -Wno-sequence-point\
+CPPFLAGS := -Ofast -Wall -Wextra -Winit-self \
+           -Wno-unused-function -fPIC -W -Wcast-qual -Wpointer-arith -Icbsl/include
+#CPPFLAGS := -O3 -Wall -Wextra -Winline -Winit-self -Wno-sequence-point\
            -Wno-unused-function -Wno-inline -fPIC -W -Wcast-qual -Wpointer-arith -Icbsl/include
 
 #CPPFLAGS := -g
@@ -20,7 +22,7 @@ objects = Cache.o CacheHelper.o getopt.o cbsl/src/buffer.o cbsl/src/file.o cbsl/
 all: $(PROGRAMS)
 
 Cache : $(objects)
-	gcc $(CPPFLAGS) $(LDFLAGS) -o $@ $^ $(LDLIBS)
+	icpx $(CPPFLAGS) $(LDFLAGS) -o $@ $^ $(LDLIBS)
 	rm -f $(objects)
 
 clean: