diff --git a/Makefile b/Makefile
index 5e99f9d..fd2f4d9 100644
--- a/Makefile
+++ b/Makefile
@@ -49,7 +49,7 @@ SRC 		= $(shell find . -name '*.cpp')
 #OBJ 		= $(patsubst %.cpp,%.o,$(addprefix $(BUILD_DIR)/,$(notdir $(SRC))))
 OBJ 		= $(BUILD_DIR)/main.o
 
-LIBS 		= -L./ -lpthread -luuid -ldl -ldw -lunwind -lunwind-x86_64
+LIBS 		= -L./ -lpthread -luuid -ldl -ldw -lunwind -lunwind-x86_64 -lstdc++
 ATR_LIBS	= ./build/libframework.a
 
 INCS		= -I./ \
diff --git a/framework/dwarf_function.cpp b/framework/dwarf_function.cpp
index 3530962..5fb79e9 100644
--- a/framework/dwarf_function.cpp
+++ b/framework/dwarf_function.cpp
@@ -6,6 +6,7 @@
  */
 
 #include <dwarf.h>
+#include <stdlib.h>
 #include <cxxabi.h>
 
 #include "dwarf_function.h"
diff --git a/framework/sysutils.h b/framework/sysutils.h
index 2793a9d..e37143c 100644
--- a/framework/sysutils.h
+++ b/framework/sysutils.h
@@ -9,7 +9,6 @@
 #define SC_SYSUTILS_H_
 
 //system
-#include <string>
 #include <netdb.h>
 #include <stdio.h>
 #include <stdlib.h>
diff --git a/main.cpp b/main.cpp
index 6a8bbd3..e4a11f0 100644
--- a/main.cpp
+++ b/main.cpp
@@ -1,5 +1,4 @@
 //system
-#include <iostream>
 #include <stdlib.h>
 #include <fcntl.h>