修改路由错误信息

macro/src/route.rs

@@ -31,7 +31,7 @@ impl Args {
             Some(var) => Ok(var.clone()),
             None => return Err(syn::Error::new(
                 Span::call_site().into(),
-                "No Route was provided"
+                "route must have one argument"
             ))
         }
     }