[求助]关于protel99se原理图的问题!!!急！！！: mnBOMAS0.rar

请问我的所有输入的引脚 都出现如下错误怎么改？？？
万分感谢！！！
Error Report For : 抢答器.Sch 25-Jun-2006 00:25:06
#1 Warning Unconnected Input Pin On Net NetU1_1
抢答器.Sch(U1-1 @340,830)
#3 Error Floating Input Pins On Net NetU1_1
Pin 抢答器.Sch(U1-1 @340,830)
#4 Warning Unconnected Input Pin On Net NetU1_4
抢答器.Sch(U1-4 @340,800)
#6 Error Floating Input Pins On Net NetU1_4
Pin 抢答器.Sch(U1-4 @340,800)
#7 Warning Unconnected Input Pin On Net NetU1_5
抢答器.Sch(U1-5 @340,790)
#9 Error Floating Input Pins On Net NetU1_5
Pin 抢答器.Sch(U1-5 @340,790)
#10 Warning Unconnected Input Pin On Net NetU1_12
抢答器.Sch(U1-12 @340,780)
#12 Error Floating Input Pins On Net NetU1_12
Pin 抢答器.Sch(U1-12 @340,780)
#13 Warning Unconnected Input Pin On Net NetU1_13
抢答器.Sch(U1-13 @340,770)
#15 Error Floating Input Pins On Net NetU1_13
Pin 抢答器.Sch(U1-13 @340,770)
#16 Warning Unconnected Input Pin On Net NetU2_11
抢答器.Sch(U2-11 @420,620)
#18 Error Floating Input Pins On Net NetU2_11
Pin 抢答器.Sch(U2-11 @420,620)