diff --git a/app.yaml b/app.yaml
index 425732f3..caf5209e 100755
--- a/app.yaml
+++ b/app.yaml
@@ -2,18 +2,18 @@ runtime: python38
 service: default
 
 #B1: 384MB/600MHz/manual_scaling
-instance_class: B1
-basic_scaling:
-  max_instances: 3
-  idle_timeout: 3m
+#instance_class: B1
+#basic_scaling:
+#  max_instances: 3
+#  idle_timeout: 3m
 
 #F1: 384MB/600MHz/automatic_scaling
-#instance_class: F1
-#automatic_scaling:
-#  max_instances: 2
-#  min_instances: 0
-#  max_idle_instances: 1
-#  min_idle_instances: 0
+instance_class: F1
+automatic_scaling:
+ max_instances: 2
+ min_instances: 0
+ max_idle_instances: 1
+ min_idle_instances: 0
 
 app_engine_apis: true
 entrypoint: gunicorn -b :$PORT -w 2 main:app
diff --git a/config.py b/config.py
index 8d31b44b..078e0fa1 100644
--- a/config.py
+++ b/config.py
@@ -22,7 +22,7 @@
 #DATABASE_URL = "mongodb://127.0.0.1:27017/"
 #DATABASE_URL = 'sqlite:////home/ubuntu/site/kindleear/database.db'
 #DATABASE_URL = 'sqlite:///database.db'
-DATABASE_URL = 'datastore'
+DATABASE_URL = "sqlite:////data/kindleear.db"
 
 #Select the type of task queue, "gae", "apscheduler", "celery", "rq", ""
 TASK_QUEUE_SERVICE = "apscheduler"
@@ -36,7 +36,7 @@
 
 #If this option is empty, temporary files will be stored in memory
 #Setting this option can reduce memory consumption, supports both relative and absolute paths
-KE_TEMP_DIR = ""
+KE_TEMP_DIR = "/tmp"
 
 #If the depolyment plataform supports multi-threads, set this option will boost the download speed
 DOWNLOAD_THREAD_NUM = "3"
diff --git a/dispatch.yaml b/dispatch.yaml
new file mode 100644
index 00000000..e93ece93
--- /dev/null
+++ b/dispatch.yaml
@@ -0,0 +1,6 @@
+dispatch:
+  - url: "*/worker*"
+    service: worker
+
+  - url: "*/url2book*"
+    service: worker
diff --git a/tools/gae_deploy.sh b/tools/gae_deploy.sh
index a99fcd89..87d234b7 100644
--- a/tools/gae_deploy.sh
+++ b/tools/gae_deploy.sh
@@ -4,8 +4,10 @@ gcloud app create   #select a region for app if it's first time
 python ./kindleear/tools/update_req.py gae
 if [ $? -eq 0 ]; then
   gcloud beta app deploy --version=1 ./kindleear/app.yaml
-  gcloud beta app deploy --version=1 ./kindleear/cron.yaml
-  gcloud beta app deploy --version=1 ./kindleear/queue.yaml
+  gcloud beta app deploy --quiet --version=1 ./kindleear/worker.yaml
+  gcloud beta app deploy --quiet --version=1 ./kindleear/cron.yaml
+  gcloud beta app deploy --quiet --version=1 ./kindleear/queue.yaml
+  gcloud beta app deploy --quiet --version=1 ./kindleear/dispatch.yaml
   echo -e "The deployment is completed."
   echo -e "The access address is: https://$GOOGLE_CLOUD_PROJECT.appspot.com"
 else
diff --git a/worker.yaml b/worker.yaml
new file mode 100644
index 00000000..82911482
--- /dev/null
+++ b/worker.yaml
@@ -0,0 +1,44 @@
+runtime: python38
+service: worker
+
+#B1: 384MB/600MHz/manual_scaling
+instance_class: B1
+basic_scaling:
+  max_instances: 3
+  idle_timeout: 3m
+
+#F1: 384MB/600MHz/automatic_scaling
+#instance_class: F1
+#automatic_scaling:
+#  max_instances: 2
+#  min_instances: 0
+#  max_idle_instances: 1
+#  min_idle_instances: 0
+
+app_engine_apis: true
+entrypoint: gunicorn -b :$PORT -w 2 main:app
+
+inbound_services:
+- mail
+- mail_bounce
+
+handlers:
+- url: /robots.txt
+  static_files: application/static/robots.txt
+  upload: application/static/robots.txt
+
+- url: /favicon.ico
+  static_files: application/static/favicon.ico
+  upload: application/static/favicon.ico
+  mime_type: image/x-icon
+
+- url: /static
+  static_dir: application/static
+
+- url: /images
+  static_dir: application/images
+
+- url: /.*
+  secure: always
+  redirect_http_response_code: 301
+  script: auto