Error in match(names(mean.model)

>  library("rugarch")
>  library("fGarch")
>  myspec=ugarchspec(
+  variance.model=list(model="sGARCH",garchOrder=c(1,1),
+ submodel=NULL,external.regressors=NULL,variance.targeting=FALSE),
+  mean.model=list(armaOrder=c(0,0),include.mean=TURE,archm=FALSE,
+ archpow=1,arfima=FALSE,external.regressors=NULL,archex=FALSE),
+  distribution.model="std",start.pars=list(),fixed.pars=list())
Error in match(names(mean.model), c("armaOrder", "include.mean", "archm",  :
  object 'TURE' not found
>  mygarch=ugarchfit(myspec,data=data,solver="solnp")
Error in ugarchfit(myspec, data = data, solver = "solnp") :
  object 'myspec' not found
请问这个是怎么导致的？怎么改正？求教！！！！