diff --git a/packages/hydrooj/src/entry/common.ts b/packages/hydrooj/src/entry/common.ts
index bca116946..d65913dac 100644
--- a/packages/hydrooj/src/entry/common.ts
+++ b/packages/hydrooj/src/entry/common.ts
@@ -68,7 +68,7 @@ export const service = getLoader('service', 'service');
 export async function builtinModel(ctx: Context) {
     const modelDir = path.resolve(__dirname, '..', 'model');
     const models = await fs.readdir(modelDir);
-    for (const t of models) {
+    for (const t of models.filter((i) => i.endsWith('.ts'))) {
         const q = path.resolve(modelDir, t);
         if ('apply' in require(q)) ctx.loader.reloadPlugin(ctx, q, {}, `hydrooj/model/${t.split('.')[0]}`);
     }
diff --git a/packages/hydrooj/src/entry/worker.ts b/packages/hydrooj/src/entry/worker.ts
index 610aaf3f0..4bab46a3f 100644
--- a/packages/hydrooj/src/entry/worker.ts
+++ b/packages/hydrooj/src/entry/worker.ts
@@ -56,7 +56,7 @@ export async function apply(ctx: Context) {
 
     const handlerDir = path.resolve(__dirname, '..', 'handler');
     const handlers = await fs.readdir(handlerDir);
-    for (const h of handlers) {
+    for (const h of handlers.filter((i) => i.endsWith('.ts'))) {
         ctx.loader.reloadPlugin(ctx, path.resolve(handlerDir, h), {}, `hydrooj/handler/${h.split('.')[0]}`);
     }
     await handler(pending, fail, ctx);