fix bug

1 files changed, 3 insertions, 3 deletions

diff --git a/cscore b/cscore
index f1a1ef693cec..97dd1e0c4633 100755
--- a/cscore
+++ b/cscore
@@ -109,13 +109,13 @@ def print_usage():
 if __name__ == '__main__':
     stu_id = None
     pwd = None
-    if len(sys.argv) == 1 and len(sys.argv[1]) == 9:
+    if len(sys.argv) == 1:
         stu_id = input('学号：')
         pwd = getpass.getpass('密码：')
-    elif len(sys.argv) == 2:
+    elif len(sys.argv) == 2 and len(sys.argv[1]) == 9:
         stu_id = sys.argv[1]
         pwd = getpass.getpass('密码：')
-    elif len(sys.argv) == 3:
+    elif len(sys.argv) == 3 and len(sys.argv[1]) == 9:
         stu_id = sys.argv[1]
         pwd = sys.argv[2]
     else: