diff --git a/tests/test_Straylight.py b/tests/test_Straylight.py
index ea6de764327c3968c8d11fb3998019d85b99ab62..97761f7a4f7f93dcc5794a88ae5c2f78a6fd15ec 100644
--- a/tests/test_Straylight.py
+++ b/tests/test_Straylight.py
@@ -20,11 +20,11 @@ import os
 hubbleAverZodiacal = {'nuv':0.0035,'u':0.0163,'g':0.1109,'r':0.1471,'i':0.1568,'z':0.0953,'y':0.0283}
 hubbleAverEarthShine = {'nuv':0.00024,'u':0.0051,'g':0.0506,'r':0.0591,'i':0.0568,'z':0.0315,'y':0.0090}
 
-def transRaDec2D(ra, dec):
-    x1 = np.cos(dec / 57.2957795) * np.cos(ra / 57.2957795);
-    y1 = np.cos(dec / 57.2957795) * np.sin(ra / 57.2957795);
-    z1 = np.sin(dec / 57.2957795);
-    return np.array([x1, y1, z1])
+# def transRaDec2D(ra, dec):
+#     x1 = np.cos(dec / 57.2957795) * np.cos(ra / 57.2957795);
+#     y1 = np.cos(dec / 57.2957795) * np.sin(ra / 57.2957795);
+#     z1 = np.sin(dec / 57.2957795);
+#     return np.array([x1, y1, z1])
 
 
 def getAngle132(x1=0, y1=0, z1=0, x2=0, y2=0, z2=0, x3=0, y3=0, z3=0):
@@ -192,13 +192,13 @@ class TestStraylight(unittest.TestCase):
 if __name__ == '__main__':
     os.environ['UNIT_TEST_DATA_ROOT']="/Users/zhangxin/Work/SlitlessSim/CSST_SIM/CSST_develop/csst-simulation/tests/testData"
 
-    suit = unittest.TestSuite()
-    case1 = TestStraylight('test_EarthShineFilter', filter = 'i')
-    suit.addTest(case1)
-    case2 = TestStraylight('test_ZodiacalFilter',filter = 'i')
-    suit.addTest(case2)
-    case3 = TestStraylight('test_StarFilter', filter='i')
-    suit.addTest(case3)
-    case4 = TestStraylight('test_GratingStraylight', grating = 'GI')
-    suit.addTest(case4)
-    unittest.TextTestRunner(verbosity=2).run(suit)
\ No newline at end of file
+    # suit = unittest.TestSuite()
+    # case1 = TestStraylight('test_EarthShineFilter', filter = 'i')
+    # suit.addTest(case1)
+    # case2 = TestStraylight('test_ZodiacalFilter',filter = 'i')
+    # suit.addTest(case2)
+    # case3 = TestStraylight('test_StarFilter', filter='i')
+    # suit.addTest(case3)
+    # case4 = TestStraylight('test_GratingStraylight', grating = 'GI')
+    # suit.addTest(case4)
+    # unittest.TextTestRunner(verbosity=2).run(suit)
\ No newline at end of file