diff --git a/packages/fes-preset-built-in/src/plugins/misc/route/index.js b/packages/fes-preset-built-in/src/plugins/misc/route/index.js
index e111126f..95568f2e 100644
--- a/packages/fes-preset-built-in/src/plugins/misc/route/index.js
+++ b/packages/fes-preset-built-in/src/plugins/misc/route/index.js
@@ -125,7 +125,11 @@ const genRoutes = function (parentRoutes, path, parentRoutePath) {
                 const routeMetaBlock = descriptor.customBlocks.find(
                     b => b.type === 'config'
                 );
-                routeMeta = routeMetaBlock?.content ? JSON.parse(routeMetaBlock.content) : {};
+                try {
+                    routeMeta = routeMetaBlock?.content ? JSON.parse(routeMetaBlock.content) : {};
+                } catch (e) {
+                    console.warn(`config: ${routeMetaBlock.content} 必须为 json 格式`);
+                }
                 if (descriptor.script) {
                     routeMeta = getRouteMeta(descriptor.script.content) || routeMeta;
                 }