diff --git a/interface/ri_inst_cli.py b/interface/ri_inst_cli.py
index 8efca03..54ee079 100644
--- a/interface/ri_inst_cli.py
+++ b/interface/ri_inst_cli.py
@@ -24,10 +24,10 @@ def set_sub_task(sub_task):
     print sub_task
 
 def set_task_scale():
-    print  '%', Rate.value
+    print "%.2f" %float(Rate.value)
 
 def set_task_over():
-		string = raw_input("Rocky system install success,plase reboot now![Y?]")
+		string = raw_input("Rocky system installation successfully, are your restart?[Y]")
 		if string.lower() == "y":
 				return True
 		return False
@@ -36,9 +36,6 @@ def root_destroy():
 		pass
 
 def error(oper, ret):
-    if language == 'chinese':
-        print "%s:\n Error number: %d\n %s"%(oper.chinese_name, ret, oper.return_value[ret][1])
-    else:
         print "%s:\n Error number: %d\n %s"%(oper.english_name, ret, oper.return_value[ret][0])