diff --git a/atpg b/atpg
index a18ba60..528a2ce 100755
Binary files a/atpg and b/atpg differ
diff --git a/makefile b/makefile
index 047e0f1..c5d6ec5 100644
--- a/makefile
+++ b/makefile
@@ -5,20 +5,14 @@ SOURCES := $(shell find ./src -type f -name "*.cpp")
 OBJECTS := $(addprefix build/,$(SOURCES:%=%.o))
 
 # 声明编译器和编译选项
-CC := gcc
 CXX := g++
-CFLAGS := -O3 -g -Wall -Wextra -MMD -MP -flto
 CXXFLAGS := -O3 -g -Wall -Wextra -MMD -MP -flto
 
 # 默认目标，编译所有目标文件
 atpg: $(OBJECTS)
 	$(CXX) $(CXXFLAGS) $^ -o $@
 
-# 生成目标文件的规则
 build/%.o: % | build
-	$(CC) $(CFLAGS) -c $< -o $@
-
-build/%.o: %.cpp | build
 	$(CXX) $(CXXFLAGS) -c $< -o $@
 
 # 包含依赖文件
diff --git a/src/circuit.h b/src/circuit.h
index 6d69c4a..76d4de8 100644
--- a/src/circuit.h
+++ b/src/circuit.h
@@ -5,6 +5,8 @@
 #include <unordered_map>
 #include <unordered_set>
 #include <queue>
+#include <algorithm>
+#include <assert.h>
 
 using ll = long long;