diff --git a/lib/railway.js b/lib/railway.js
index a0138724..98e2a1c0 100644
--- a/lib/railway.js
+++ b/lib/railway.js
@@ -172,6 +172,9 @@ function prepareContext(models, railway, app, defSchema, done) {
             callback && callback();
             m = (schema || defSchema).define(className, _models[cname], settings[cname]);
         }
+        if (global.railway) {
+            global[cname] = m;
+        }
         return models[cname] = ctx[cname] = m;
     };