fix error.

flask_app/flask_app.py

@@ -17,10 +17,9 @@ app.config['JSON_SORT_KEYS'] = False
 CORS(app, resources={r"/*": {"origins": "*"}})
 
 # 首页路由
-@app.route("/")
-def home():
-#    return "欢迎来到 Flask Demo！<br><a href='/hello'>去打招呼</a> | <a href='/form'>填写表单</a>"
-    return render_template("index.html", message="欢迎来到 Flask Demo！")
+#@app.route("/")
+#def home():
+#    return render_template("index.html", message="欢迎来到 Flask Demo！")
 
 # 带参数的路由
 @app.route("/hello/<name>")
@@ -106,10 +105,10 @@ def root():
 def get_info():
     return jsonify({
         'service': 'flask',
-        'host': request.host,
-        'server_port':  request.environ.get('SERVER_PORT'),
-        'server_name': request.environ.get('SERVER_NAME'),
-        "remote_addr": request.remote_addr,
+        #'host': request.host,
+        #'server_port':  request.environ.get('SERVER_PORT'),
+        #'server_name': request.environ.get('SERVER_NAME'),
+        #"remote_addr": request.remote_addr,
         'port': os.getenv('PORT', 5000),
         'python_version': os.sys.version,
         'environment': os.getenv('ENVIRONMENT', 'development'),