diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 9ca2ceb..1766dfa 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -1,6 +1,7 @@
 aux_source_directory(. DIR_SRC)
 
 set(EXECUTABLE_OUTPUT_PATH ${PROJECT_BINARY_DIR}/bin)
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} --std=c++11 -O2")
 
 include_directories(/usr/local/include)
 
diff --git a/src/gm3d.h b/src/gm3d.h
index ccdafa6..9317dd2 100644
--- a/src/gm3d.h
+++ b/src/gm3d.h
@@ -11,8 +11,9 @@
 #include "random"
 
 // add gctl head files here
-#include "gctl/gctl_core.h"
-#include "gctl/gctl_utility.h"
+#include "gctl/core.h"
+#include "gctl/geometry.h"
+#include "gctl/utility.h"
 
 using namespace std;
 
@@ -39,7 +40,7 @@ struct modelist
 };
 typedef vector<modelist> modelistVector;
 //直角坐标系顶点 比坐标点位只多一个序号
-struct vertex : public gctl::point3d_c
+struct vertex : public gctl::point3dc
 {
 	int id = -1;
 };
diff --git a/src/init_obs.cpp b/src/init_obs.cpp
index 573835b..0ce181c 100644
--- a/src/init_obs.cpp
+++ b/src/init_obs.cpp
@@ -41,14 +41,14 @@ int GM3D::InitObs(const char* obs_para){
 					temp_obs.val = temp_obs.dev = 0.0;
 					obs_p_.push_back(temp_obs);
 				}
-				else throw GCTL_WRONG_FILE_FORMAT;
+				else throw gctl::runtime_error("Invalid file format. From GM3D::InitObs(...)");
 			}
 		}
 		infile.close();
 	}
 
 	if (obs_p_.empty())
-		throw GM3D_INVALID_OBS_PARAMETER;
+		throw gctl::runtime_error("No valid observation entrances. From GM3D::InitObs(...)");
 	else{
 		obs_num_ = obs_p_.size();
 	}