diff --git a/main.py b/main.py
index f30f588908ffee1e331c11a62cdc0edd359612a5..f55b3e8d7ad8a35eff15d5c02533054e84881fe0 100644
--- a/main.py
+++ b/main.py
@@ -102,6 +102,8 @@ if __name__ == '__main__':
     parser.add_argument('-repo', action = 'store_true', help='Whether to analyze repo packages.')
     parser.add_argument('-local', action = 'store_true', help='Whether to analyze local installed packages.')
     parser.add_argument('-console_log', action = 'store_true', help='Output log to console.')
+    rpmquery = parser.add_argument_group('rpmquery')
+    rpmquery.add_argument('-q_rpminiso', type=str, help='Query input rpm layer in iso.')
     args = parser.parse_args()
 
     if len(sys.argv) == 1:
@@ -121,5 +123,7 @@ if __name__ == '__main__':
         kyClassifier.process_repo()   
     if args.local:
         kyClassifier.process_local()
+    if args.q_rpminiso:
+        pass
 
     logger.info("Kyclassifier end!")
diff --git a/src/utils/exceptions.py b/src/utils/exceptions.py
index 745472d2ed9cb002c394ed8631c4e9fa269d3502..dcfc6fc6615e70c0ed4308afe6014c8b7de34709 100644
--- a/src/utils/exceptions.py
+++ b/src/utils/exceptions.py
@@ -31,3 +31,12 @@ class ReportGenerateError(Exception):
  
     def __str__(self):
         return f"ReportGenerateError: {self.message}"
+
+class RpmCheckError(Exception):
+    """Rpm check exception
+    """
+    def __init__(self, message):
+        self.message = message
+ 
+    def __str__(self):
+        return f"RpmCheckError: {self.message}"
\ No newline at end of file
diff --git a/test/test_algclassify.py b/test/test_algclassify.py
index ca9d9d6d1c8a97c7126533db0938b30c9de98901..35152891107e10fa6b351d3743f80ab3298d39a5 100644
--- a/test/test_algclassify.py
+++ b/test/test_algclassify.py
@@ -157,7 +157,16 @@ class TestAlgClassify(unittest.TestCase):
         self.assertEqual(result['aaa-devel'], ['其它'], "_merge_pkg2category_dict test failed!")
 
     def test_run(self):
-        pass
+        """
+            Test class AlgClassify method run()
+        Returns:
+            dict
+        """
+        if not os.path.exists(self.data_f):
+            self.skipTest("Test File not exists, test skiped!")
+        else:
+            result = AlgClassify.run(self.data_obj,self.data_f)
+            self.assertIsInstance(result,dict,"run test failed!")
 
 if __name__ == "__main__":
     unittest.main(verbosity=2)
\ No newline at end of file