diff --git a/example/CMakeLists.txt b/example/CMakeLists.txt
index 50a984b..9d08431 100644
--- a/example/CMakeLists.txt
+++ b/example/CMakeLists.txt
@@ -38,10 +38,11 @@ endif(PSLIB_NOTFOUND GREATER -1)
 # install(TARGETS poissonsolvergputest  DESTINATION bin)
 
 
-
+INCLUDE_DIRECTORIES(
+	${CMAKE_PREFIX_PATH}/include
+) 
 set(CPP_SOURCE PoissonSolver3DGPUTest.cpp)
 set(HEADERS PoissonSolver3DGPUTest.h)
 
 add_executable(poissonsolvergputest  ${CPP_SOURCE} ${PSLIB})
-
 install(TARGETS poissonsolvergputest  DESTINATION bin)
diff --git a/example/PoissonSolver3DGPUTest.cpp b/example/PoissonSolver3DGPUTest.cpp
index da4aa2b..d645481 100644
--- a/example/PoissonSolver3DGPUTest.cpp
+++ b/example/PoissonSolver3DGPUTest.cpp
@@ -1,5 +1,7 @@
 #include "PoissonSolver3DGPUTest.h"
 
+
+// test case test
 int main()
 {
 	return 1;
diff --git a/example/PoissonSolver3DGPUTest.h b/example/PoissonSolver3DGPUTest.h
index 8df4120..2441220 100644
--- a/example/PoissonSolver3DGPUTest.h
+++ b/example/PoissonSolver3DGPUTest.h
@@ -2,7 +2,7 @@
 #define POISSONSOLVERGPU3DGPUTEST_H
 
 #include <iostream>
-#include "gpulib/PoissonSolver3DGPU.h"
+#include "PoissonSolver3DGPU.h"
 
 
 #endif
diff --git a/gpuapp/CMakeLists.txt b/gpuapp/CMakeLists.txt
index 1bd1872..7321742 100644
--- a/gpuapp/CMakeLists.txt
+++ b/gpuapp/CMakeLists.txt
@@ -4,7 +4,3 @@ cuda_add_executable(poissonsolvertest
 )
 target_link_libraries(poissonsolvertest PoissonSolver3DGPU)
 
-INSTALL(FILES PoissonSolver3DGPUTest.cpp PoissonSolver3DGPUTest.h 
-  DESTINATION example)
-INSTALL(FILES "${CMAKE_BINARY_DIR}/gpuapp/poissonsolvertest" 
-  DESTINATION example)