diff --git a/source/constants.py b/source/constants.py
index 8a44cc3..7cb404d 100755
--- a/source/constants.py
+++ b/source/constants.py
@@ -2,7 +2,7 @@ __author__ = 'wszqkzqk'
 
 START_LEVEL_NUM = 1
 
-ORIGINAL_CAPTION = 'Plant VS Zombies Game'
+ORIGINAL_CAPTION = 'pypvz'
 
 SCREEN_WIDTH = 800
 SCREEN_HEIGHT = 600
diff --git a/source/state/level.py b/source/state/level.py
index bd0356f..b7fbb3e 100644
--- a/source/state/level.py
+++ b/source/state/level.py
@@ -25,7 +25,7 @@ class Level(tool.State):
 
     def loadMap(self):
         map_file = 'level_' + str(self.game_info[c.LEVEL_NUM]) + '.json'
-        file_path = os.path.join(sys.path[0], 'source', 'data', 'map', map_file)
+        file_path = os.path.join(os.path.dirname(os.path.dirname(os.path.dirname(__file__))), 'source', 'data', 'map', map_file)
         f = open(file_path)
         self.map_data = json.load(f)
         f.close()
diff --git a/source/tool.py b/source/tool.py
index 2ebc9f6..a3f5e33 100755
--- a/source/tool.py
+++ b/source/tool.py
@@ -155,14 +155,14 @@ def load_all_gfx(directory, colorkey=c.WHITE, accept=('.png', '.jpg', '.bmp', '.
     return graphics
 
 def loadZombieImageRect():
-    file_path = os.path.join(sys.path[0], 'source', 'data', 'entity', 'zombie.json')
+    file_path = os.path.join(os.path.dirname(os.path.dirname(__file__)), 'source', 'data', 'entity', 'zombie.json')
     f = open(file_path)
     data = json.load(f)
     f.close()
     return data[c.ZOMBIE_IMAGE_RECT]
 
 def loadPlantImageRect():
-    file_path = os.path.join(sys.path[0], 'source', 'data', 'entity', 'plant.json')
+    file_path = os.path.join(os.path.dirname(os.path.dirname(__file__)), 'source', 'data', 'entity', 'plant.json')
     f = open(file_path)
     data = json.load(f)
     f.close()
@@ -172,6 +172,6 @@ pg.init()
 pg.display.set_caption(c.ORIGINAL_CAPTION)
 SCREEN = pg.display.set_mode(c.SCREEN_SIZE)
 
-GFX = load_all_gfx(os.path.join(sys.path[0] ,os.path.join("resources","graphics")))
+GFX = load_all_gfx(os.path.join(os.path.dirname(os.path.dirname(__file__)) ,os.path.join("resources","graphics")))
 ZOMBIE_RECT = loadZombieImageRect()
 PLANT_RECT = loadPlantImageRect()