feat: auto clean.

server.py

@@ -6,6 +6,7 @@ from main.distance import *
 from main.sa_pa import *
 
 import json
+import os
 
 app = Flask(__name__)
 
@@ -15,35 +16,38 @@ CORS(app)
 def common():
     json_data = json.loads(request.args.get('data'))
     theme = request.args.get('theme')
-    data = gen_common(json_data, theme)
+    data, path = gen_common(json_data, theme)
     res = {
         'code': 0,
         'image': data,
     }
     response = make_response(res)
+    os.remove(path)
     return response
 
 @app.route('/api/pov-element/distance', methods=["GET"])
 def distance():
     json_data = json.loads(request.args.get('data'))
     theme = request.args.get('theme')
-    data = gen_distance(json_data, theme)
+    data, path = gen_distance(json_data, theme)
     res = {
         'code': 0,
         'image': data,
     }
     response = make_response(res)
+    os.remove(path)
     return response
 
 @app.route('/api/pov-element/service', methods=["GET"])
 def service():
     json_data = json.loads(request.args.get('data'))
-    data = gen_service(json_data)
+    data, path = gen_service(json_data)
     res = {
         'code': 0,
         'image': data,
     }
     response = make_response(res)
+    os.remove(path)
     return response
 
 if __name__ == '__main__':