diff --git a/package-lock.json b/package-lock.json
index 21d05321a..04d7204e6 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -18930,7 +18930,7 @@
       "name": "@qwen-code/channel-plugin-example",
       "version": "0.14.0",
       "dependencies": {
-        "@qwen-code/channel-base": "^0.14.0",
+        "@qwen-code/channel-base": "file:../base",
         "ws": "^8.18.0"
       },
       "bin": {
diff --git a/packages/core/src/services/cronScheduler.test.ts b/packages/core/src/services/cronScheduler.test.ts
index 9b1f5e9d2..4863bbb90 100644
--- a/packages/core/src/services/cronScheduler.test.ts
+++ b/packages/core/src/services/cronScheduler.test.ts
@@ -103,7 +103,8 @@ describe('CronScheduler', () => {
       const fired: CronJob[] = [];
       scheduler.start((job) => fired.push(job));
 
-      scheduler.create('30 10 * * *', 'no match', true);
+      const job = scheduler.create('30 10 * * *', 'no match', true);
+      job.jitterMs = 0; // pin jitter so the test is deterministic
 
       // Tick at 10:31 — should not fire
       scheduler.tick(new Date(2025, 0, 15, 10, 31, 0));