diff --git a/csst_ifs_gehong/config.py b/csst_ifs_gehong/config.py
index a0ab871e61e87edd169cda477015baad68d0d595..bedef18cb1e4c3b9ec8c921ac3bdcddaac712a15 100644
--- a/csst_ifs_gehong/config.py
+++ b/csst_ifs_gehong/config.py
@@ -33,4 +33,4 @@ class config():
         self.ny = ny
         self.dpix = dpix
         self.fov_x = nx * dpix
-        self.fov_y = ny * dpix
\ No newline at end of file
+        self.fov_y = ny * dpix
diff --git a/csst_ifs_gehong/spec1d.py b/csst_ifs_gehong/spec1d.py
index a50bf9941bbe238cb4298712bb45014048dddd34..c91ae5bb4f0bc9eba4ad9c5bdc559facfa90546e 100644
--- a/csst_ifs_gehong/spec1d.py
+++ b/csst_ifs_gehong/spec1d.py
@@ -8,7 +8,7 @@ from astropy.io import fits
 from scipy.stats import norm
 from scipy.interpolate import interp1d
 
-data_path = '.'
+data_path = os.getcwd()
 
 def readcol(filename, **kwargs):
     """
diff --git a/tests/test_map2d.py b/tests/test_map2d.py
index 2581686706db8761110a024514112fed411aed3a..6e19be30f3080f5c8f177d2717f6e05e6b142e05 100644
--- a/tests/test_map2d.py
+++ b/tests/test_map2d.py
@@ -52,14 +52,14 @@ class test_map2d(unittest.TestCase):
         if np.sum(sbmap1.map) != np.sum(sbmap0.map):
             print("No Problem!")
 
-        plt.figure(figsize=(6,5))
-        plt.imshow(sbmap0.map, origin='lower', cmap='gray_r')
-        plt.xticks([])
-        plt.yticks([])
-        plt.title('Surface Brightness Modelling')
-        plt.colorbar(label='mag')
-        plt.tight_layout()
-        plt.savefig('./image/test_map2d_SBmap.png')
+        #plt.figure(figsize=(6,5))
+        #plt.imshow(sbmap0.map, origin='lower', cmap='gray_r')
+        #plt.xticks([])
+        #plt.yticks([])
+        #plt.title('Surface Brightness Modelling')
+        #plt.colorbar(label='mag')
+        #plt.tight_layout()
+        #plt.savefig('./image/test_map2d_SBmap.png')
 
     def test_velmap(self):
 
@@ -93,14 +93,14 @@ class test_map2d(unittest.TestCase):
         if np.sum(velmap1.map) != np.sum(velmap0.map):
             print("No Problem!")
 
-        plt.figure(figsize=(6,5))
-        plt.imshow(velmap0.map, origin='lower', cmap='RdBu_r')
-        plt.xticks([])
-        plt.yticks([])
-        plt.title('Velocity Map Modelling')
-        plt.colorbar(label='km/s')
-        plt.tight_layout()
-        plt.savefig('./image/test_map2d_velmap.png')
+        #plt.figure(figsize=(6,5))
+        #plt.imshow(velmap0.map, origin='lower', cmap='RdBu_r')
+        #plt.xticks([])
+        #plt.yticks([])
+        #plt.title('Velocity Map Modelling')
+        #plt.colorbar(label='km/s')
+        #plt.tight_layout()
+        #plt.savefig('./image/test_map2d_velmap.png')
 
     def test_gremap(self):
 
@@ -140,14 +140,14 @@ class test_map2d(unittest.TestCase):
         if np.sum(velmap1.map) != np.sum(velmap0.map):
             print("No Problem!")
 
-        plt.figure(figsize=(6,5))
-        plt.imshow(velmap0.map, origin='lower', cmap='RdBu_r')
-        plt.xticks([])
-        plt.yticks([])
-        plt.title('Gredient Map Modelling')
-        plt.colorbar(label='')
-        plt.tight_layout()
-        plt.savefig('./image/test_map2d_gredmap.png')
+        #plt.figure(figsize=(6,5))
+        #plt.imshow(velmap0.map, origin='lower', cmap='RdBu_r')
+        #plt.xticks([])
+        #plt.yticks([])
+        #plt.title('Gredient Map Modelling')
+        #plt.colorbar(label='')
+        #plt.tight_layout()
+        #plt.savefig('./image/test_map2d_gredmap.png')
 
     def test_input_image(self):
 
diff --git a/tests/test_spec1d.py b/tests/test_spec1d.py
index 08bdb67c78696bd2d610fc60dae2ee74806c460b..75def916ee08ec63e626159bda71923280033dfe 100644
--- a/tests/test_spec1d.py
+++ b/tests/test_spec1d.py
@@ -108,7 +108,7 @@ class test_spec1d(unittest.TestCase):
             plt.xlim(3900, 6200)
 
         plt.tight_layout()
-        plt.savefig('./image/test_spec1d_stellarpopulation.png')
+        #plt.savefig('./image/test_spec1d_stellarpopulation.png')
         
     def test_Star(self):
 
@@ -177,7 +177,7 @@ class test_spec1d(unittest.TestCase):
             plt.xlim(3900, 6200)
         
         plt.tight_layout()
-        plt.savefig('./image/test_spec1d_singlestar.png')
+        #plt.savefig('./image/test_spec1d_singlestar.png')
 
         print("-----------------------------------------------------------------")
         print(">>> Unit test for **Single Stellar** Modelling has been passed!")
@@ -267,7 +267,7 @@ class test_spec1d(unittest.TestCase):
             plt.xlim(3900, 6200)
 
         plt.tight_layout()
-        plt.savefig('./image/test_spec1d_ionizedgas.png')
+        #plt.savefig('./image/test_spec1d_ionizedgas.png')
 
         print("-----------------------------------------------------------------")
         print(">>> Unit test for **Ionized Gas** Modelling has been passed!")
@@ -359,7 +359,7 @@ class test_spec1d(unittest.TestCase):
             plt.xlim(3900, 6200)
 
         plt.tight_layout()
-        plt.savefig('./image/test_spec1d_agn.png')
+        #plt.savefig('./image/test_spec1d_agn.png')
 
         print("-----------------------------------------------------------------")
         print(">>> Unit test for **AGN** Modelling has been passed!")