diff --git a/.github/workflows/deploy-image.yml b/.github/workflows/deploy-image.yml
index e5fe501..9dc0a63 100644
--- a/.github/workflows/deploy-image.yml
+++ b/.github/workflows/deploy-image.yml
@@ -12,8 +12,7 @@ name: Create and publish a Docker image
 on:
   push:
     branches: ['master']
-  release:
-    types: [published]
+  create:
 env:
   REGISTRY: ghcr.io
   IMAGE_NAME: ${{ github.repository }}
diff --git a/config.py b/config.py
index fec10b8..008f447 100644
--- a/config.py
+++ b/config.py
@@ -124,7 +124,12 @@ def load_config():
             try:
                 config[name] = eval(value)
             except:
-                config[name] = value
+                if value == "false":
+                    config[name] = False
+                elif value == "true":
+                    config[name] = True
+                else:
+                    config[name] = value
 
     logger.info("[INIT] load config: {}".format(config))