flask_app: 增加数据库的关闭

Signed-off-by: binren <zhangbr@elab-plus.com>

flask_app.py

@@ -1,4 +1,4 @@
-from flask import Flask, request, render_template
+from flask import Flask, request, render_template, jsonify
 import os
 from werkzeug.utils import secure_filename
 import time
@@ -465,6 +465,8 @@ def get_city_age_crowd():
 def crowd_people():
     mvp = Mvp()
     people_count = mvp.get_crowd_people()
+    mvp.shangju_db.close()
+    mvp.marketing_db.close()
     return json.dumps(people_count, ensure_ascii=False)