feat: retrun JSON data for pkg

lib/middleware/template.js

@@ -61,8 +61,12 @@ module.exports = async (ctx, next) => {
             atomlink: ctx.request.href,
             ...ctx.state.data,
         };
-        if (template) {
-            ctx.body = art(template, data);
+        if (config.isPackage) {
+            ctx.body = data;
+        } else {
+            if (template) {
+                ctx.body = art(template, data);
+            }
         }
     }
 };

lib/pkg.js

@@ -24,8 +24,9 @@ module.exports = {
                 },
                 {
                     setHeader: () => {},
+                    removeHeader: () => {},
                     end: (data) => {
-                        resolve(data);
+                        resolve(JSON.parse(data));
                     },
                 }
             );