我想把太阳能板电压那里的数据传到下面乘号那里，出现了这样的错误应该怎样解决？错误清单上的details为：The Case or Event structure does not have anything wired to the output tunnel in one or more cases. Since only one frame of the structure is executed, every frame must assign values to all the outputs. Right-click the tunnel and select Use Default If Unwired to relax this requirement.
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错误清单上的details为：The Case or Event structure does not have anything wired to the output tunnel in one or more cases. Since only one frame of the structure is executed, every frame must assign values to all the outputs. Right-click the tunnel and select Use Default If Unwired to relax this requirement.
