diff --git a/src/phabox2/phabox2.py b/src/phabox2/phabox2.py
index bfa36b5..48fd183 100644
--- a/src/phabox2/phabox2.py
+++ b/src/phabox2/phabox2.py
@@ -349,8 +349,8 @@ def main():
     parser.add_argument('--tcov', help='Alignment coverage for ANI-based clustering: 0-100 || (default 85)',  type=float, default = 85)
     parser.add_argument('--draw', help='Draw network examples for the query virus relationship: Y or N || (default N)', default = 'N')
     parser.add_argument('--marker', nargs='+', type=str, help='A list of marker used to generate tree', default=['terl', 'portal'])
-    parser.add_argument('--mpident', help='Alignment identity for matching marker genes || default: 25 || range from 0 to 100',  type=float, default = 75)
-    parser.add_argument('--mcov', help='Alignment coverage for matching marker genes || default: 70 || range from 0 to 100',  type=float, default = 25)
+    parser.add_argument('--mpident', help='Alignment identity for matching marker genes || default: 25 || range from 0 to 100',  type=float, default = 25)
+    parser.add_argument('--mcov', help='Alignment coverage for matching marker genes || default: 50 || range from 0 to 100',  type=float, default = 50)
     parser.add_argument('--msa', type=str, help='Whether run msa: Y or N ||default N', default='N')
     parser.add_argument('--tree', type=str, help='Whether build a tree: Y or N ||default N', default='N')
     inputs = parser.parse_args()