diff --git a/LICENSE b/LICENSE.txt
similarity index 100%
rename from LICENSE
rename to LICENSE.txt
diff --git a/README.md b/README.md
index 14e06b5..6f7bd2b 100644
--- a/README.md
+++ b/README.md
@@ -117,15 +117,15 @@ res = requests.post(url=url, data={'img': img_b64})
 ![验证码识别](https://images.alisen39.com/20200501173211.png)
 
 ## 更新记录  
+* 2022年01月16日  
+    更新接口，增加不返回图片参数
+
 * 2020年08月17日  
     更新Dockerfile，docker镜像支持tr2.3  
     
 * 2020年07月30日  
     支持启动命令选择GPU/CPU  
 
-* 2020年07月26日  
-	更新tr2.0版，支持GPU  
-
 [更多记录 >>>](https://github.com/alisen39/TrWebOCR/blob/master/updateHistory.md)  
 
 
diff --git a/backend/webInterface/tr_run.py b/backend/webInterface/tr_run.py
index 30800b3..724bdcc 100644
--- a/backend/webInterface/tr_run.py
+++ b/backend/webInterface/tr_run.py
@@ -47,6 +47,7 @@ def post(self):
         img_up = self.request.files.get('file', None)
         img_b64 = self.get_argument('img', None)
         compress_size = self.get_argument('compress', None)
+        is_draw = self.get_argument("is_draw", None)
 
         # 判断是上传的图片还是base64
         self.set_header('content-type', 'application/json')
@@ -65,6 +66,7 @@ def post(self):
             self.finish(json.dumps({'code': 400, 'msg': '没有传入参数'}, cls=NpEncoder))
             return
 
+        # 旋转图片
         try:
             if hasattr(img, '_getexif') and img._getexif() is not None:
                 orientation = 274
@@ -109,43 +111,46 @@ def post(self):
             new_height = int(img.height / scale + 0.5)
             img = img.resize((new_width, new_height), Image.ANTIALIAS)
 
+        # 进行ocr
         res = tr.run(img.copy().convert("L"), flag=tr.FLAG_ROTATED_RECT)
 
-        img_detected = img.copy()
-        img_draw = ImageDraw.Draw(img_detected)
-        colors = ['red', 'green', 'blue', "purple"]
-
-        for i, r in enumerate(res):
-            rect, txt, confidence = r
-            ''' 
-                cx: 中心点x
-                xy: 中心点y
-                w:  宽度
-                h:  高度
-                a:  旋转角度
-            '''
-            cx, cy, w, h, a = rect
-            box = cv2.boxPoints(((cx, cy), (w, h), a))
-            box = np.int0(np.round(box))
-
-            for p1, p2 in [(0, 1), (1, 2), (2, 3), (3, 0)]:
-                img_draw.line(xy=(box[p1][0], box[p1][1], box[p2][0], box[p2][1]), fill=colors[i % len(colors)],
-                              width=2)
-
-        output_buffer = BytesIO()
-        img_detected.save(output_buffer, format='JPEG')
-        byte_data = output_buffer.getvalue()
-        img_detected_b64 = base64.b64encode(byte_data).decode('utf8')
-
+        response_data = {'code': 200, 'msg': '成功',
+                         'data': {'raw_out': res,
+                                  'speed_time': round(time.time() - start_time, 2)}}
+        if is_draw != '0':
+            img_detected = img.copy()
+            img_draw = ImageDraw.Draw(img_detected)
+            colors = ['red', 'green', 'blue', "purple"]
+
+            for i, r in enumerate(res):
+                rect, txt, confidence = r
+                ''' 
+                    cx: 中心点x
+                    xy: 中心点y
+                    w:  宽度
+                    h:  高度
+                    a:  旋转角度
+                '''
+                cx, cy, w, h, a = rect
+                box = cv2.boxPoints(((cx, cy), (w, h), a))
+                box = np.int0(np.round(box))
+
+                for p1, p2 in [(0, 1), (1, 2), (2, 3), (3, 0)]:
+                    img_draw.line(xy=(box[p1][0], box[p1][1], box[p2][0], box[p2][1]), fill=colors[i % len(colors)],
+                                  width=2)
+
+            output_buffer = BytesIO()
+            img_detected.save(output_buffer, format='JPEG')
+            byte_data = output_buffer.getvalue()
+            img_detected_b64 = base64.b64encode(byte_data).decode('utf8')
+
+            response_data['data']['img_detected'] = 'data:image/jpeg;base64,' + img_detected_b64
         log_info = {
             'ip': self.request.host,
-            'return': res,
+            'return': response_data,
             'time': datetime.datetime.now().strftime('%Y-%m-%d %H:%M:%S')
         }
         logger.info(json.dumps(log_info, cls=NpEncoder))
-        self.finish(json.dumps(
-            {'code': 200, 'msg': '成功',
-             'data': {'img_detected': 'data:image/jpeg;base64,' + img_detected_b64, 'raw_out': res,
-                      'speed_time': round(time.time() - start_time, 2)}},
-            cls=NpEncoder))
+        self.finish(json.dumps(response_data,
+                               cls=NpEncoder))
         return
diff --git a/updateHistory.md b/updateHistory.md
index 65d3431..1b30860 100644
--- a/updateHistory.md
+++ b/updateHistory.md
@@ -1,4 +1,7 @@
 ## 更新记录  
+* 2022年01月16日  
+    更新接口，增加不返回图片参数
+
 * 2020年08月17日  
     更新Dockerfile，docker镜像支持tr2.3