diff --git a/app.py b/app.py
index df8290d..c391a3b 100644
--- a/app.py
+++ b/app.py
@@ -4,6 +4,7 @@ import flask
 
 import config
 import biz.task
+import template
 from telemetry import init_opentelemetry
 from template import load_local_template
 from util import api
@@ -18,6 +19,11 @@ app = flask.Flask(__name__)
 @app.post('/<task_id>')
 def do_task(task_id):
     task_info = api.get_task_info(task_id)
+    local_template_info = template.get_template_def(task_info.get("templateId"))
+    template_info = api.get_template_info(task_info.get("templateId"))
+    if local_template_info:
+        if local_template_info.get("updateTime") != template_info.get("updateTime"):
+            template.download_template(task_info.get("templateId"))
     biz.task.start_task(task_info)
     return "OK"