add err code

errcode/errcode.go

@@ -10,10 +10,12 @@ var (
 	ErrHeaderRequestId     = NewError(101, "Header Request-Id Not Found")
 	ErrHeaderAuthorization = NewError(102, "Header Authorization Not Found")
 	ErrHeaderSecretKey     = NewError(103, "Header Secret-Key Not Found")
+	ErrHeaderMustParams    = NewError(104, "Header Must Params")
 )
 
 // standard error code ,start:110
 var (
+	ErrEmpty         = NewError(110, "Data Is Empty")
 	ErrRequestParse  = NewError(111, "Request Parse Fail")
 	ErrRequestMust   = NewError(112, "Request Params Required")
 	ErrPermission    = NewError(113, "Permission Denied")