diff --git a/test_unittest.py b/test_unittest.py
index 331ed97..fbbf1c1 100644
--- a/test_unittest.py
+++ b/test_unittest.py
@@ -80,5 +80,14 @@ def test_countdown():
         result = grs.Countdown().countdown
         assert isinstance(result, int)
 
+    @staticmethod
+    def test_taiwan_50():
+        stock = grs.Stock('0050')
+        assert u'台灣50' == stock.info[1]
+        try:
+            stock = grs.Stock(0050)
+        except AssertionError:
+            pass
+
 if __name__ == '__main__':
     unittest.main()