!142 优化 generate_password 仅允许一个参数的报错信息

Merge pull request !142 from chenyanpanHW/I1TYJV-generate_password-param

patch-tracking/patch_tracking/cli/generate_password

@@ -73,6 +73,7 @@ def password_strength_check(password):
 if __name__ == "__main__":
     if len(sys.argv) != 2:
         usage()
+        print("Error: One password input allowed.")
         sys.exit(1)
 
     password_ = sys.argv[1]