diff --git a/apps/ai/client.py b/apps/ai/client.py
index ce837539..faddf36e 100644
--- a/apps/ai/client.py
+++ b/apps/ai/client.py
@@ -90,7 +90,7 @@ def fangtangfu(ip: str, pic_url: str):
     image_id = 4
     request = BeiHangGrpc_pb2.JinYu_Request(zzid=image_id, imgUrl=pic_url)
     response = stub.sendFA_Info(request)
-    if response.FAinfo == False:
+    if response.FAinfo is False:
         return True, response
     return False, response
 
diff --git a/apps/ai/main.py b/apps/ai/main.py
index 4367e604..646e07e0 100644
--- a/apps/ai/main.py
+++ b/apps/ai/main.py
@@ -17,7 +17,7 @@ algo_dict = {
 }
 
 
-def ai_analyse(codes: list, global_img: str, face_img: str = None, is_dahua_pic: bool = True):
+def ai_analyse(codes: list, global_img: str, face_img: str = '', is_dahua_pic: bool = True):
     """算法分析图片
 
     Args:
@@ -59,7 +59,8 @@ def ai_analyse(codes: list, global_img: str, face_img: str = None, is_dahua_pic:
                     for x in res.FireinfoList:
                         if x.fire == 3:  # 气瓶倾倒
                             qiping_qd = True
-                            rectangle_dict['qiping'].append([(x.coord.uleft.x, x.coord.uleft.y), (x.coord.lright.x, x.coord.lright.y)])  # 加入矩形框
+                            rectangle_dict['qiping'].append(
+                                [(x.coord.uleft.x, x.coord.uleft.y), (x.coord.lright.x, x.coord.lright.y)])  # 加入矩形框
                         if x.fire == 0:
                             has_fire = True
                         if x.fire == 2:
@@ -77,7 +78,7 @@ def ai_analyse(codes: list, global_img: str, face_img: str = None, is_dahua_pic:
     return results
 
 
-def ai_analyse_2(codes: list, global_img: str, face_img: str = None, is_dahua_pic: bool = True):
+def ai_analyse_2(codes: list, global_img: str, face_img: str = '', is_dahua_pic: bool = True):
     """算法分析图片后保存并返回相对地址
 
     Args:
@@ -86,14 +87,15 @@ def ai_analyse_2(codes: list, global_img: str, face_img: str = None, is_dahua_pi
         face_img (str): 人脸图片url地址
     """
     results = ai_analyse(codes, global_img, face_img, is_dahua_pic)
-    if results: # 如果触发事件先保存下来
+    if results:  # 如果触发事件先保存下来
         from apps.ecm.service import save_dahua_pic
         global_img_path = save_dahua_pic(global_img)
         global_img_local = settings.BASE_DIR + global_img_path
         draw(global_img_local, results)  # 绘制矩形框
         results.update({'global_img': global_img_path})
     return results
-        
+
+
 def draw(path, results):
     rects = []
     for i in results:
@@ -104,6 +106,5 @@ def draw(path, results):
         for i in results:
             for m in results[i]:
                 cv2.rectangle(img, results[i][m][0], results[i][m][1], (0, 255, 0), 4)
-                cv2.putText(img, i, results[i][m][0], font, 2, (0,0,255), 1)
+                cv2.putText(img, i, results[i][m][0], font, 2, (0, 0, 255), 1)
         cv2.imwrite(path, img)
-