修复V1.0模板Jinja2 count过滤器Bug

ppt_manager/app.py

@@ -11,6 +11,10 @@ from loguru import logger
 app = Flask(__name__)
 app.config['JSON_AS_ASCII'] = False
 
+@app.template_filter('count_item')
+def count_item(lst, item):
+    return lst.count(item)
+
 generator = PPTGenerator()
 
 @app.route('/')