diff --git a/flybirds/core/driver/screen.py b/flybirds/core/driver/screen.py
index 51aac5f8..a9cb0418 100644
--- a/flybirds/core/driver/screen.py
+++ b/flybirds/core/driver/screen.py
@@ -10,4 +10,5 @@ def screen_shot(path):
 
 
 def screen_link_to_behave(scenario, step_index, tag=None):
-    GlobalContext.screen.screen_link_to_behave(scenario, step_index, tag)
+    result = GlobalContext.screen.screen_link_to_behave(scenario, step_index, tag)
+    return result
diff --git a/flybirds/core/plugin/event/scenario.py b/flybirds/core/plugin/event/scenario.py
index 0215b6d9..f62b5640 100644
--- a/flybirds/core/plugin/event/scenario.py
+++ b/flybirds/core/plugin/event/scenario.py
@@ -9,6 +9,7 @@
 from flybirds.core.driver import screen
 from flybirds.core.global_context import GlobalContext
 from flybirds.core.plugin.plugins.default.screen_record import link_record
+from flybirds.core.plugin.plugins.default.screen import BaseScreen
 from flybirds.utils import flybirds_log as log
 from flybirds.utils import launch_helper
 
@@ -86,9 +87,17 @@ def scenario_fail(context, scenario):
             log.info(info_log)
             log.error(f'[scenario_fail] step error msg:{step.error_message}')
             log.info("[scenario_fail] start to do failed screenshot")
-            screen.screen_link_to_behave(
+            img_path = screen.screen_link_to_behave(
                 scenario, context.cur_step_index - 1, "fail_"
             )
+            try:
+                white_percent = BaseScreen.white_screen_detect(img_path)
+                data = ("<h4 style=\"color:DodgerBlue;\">failed screenshot analysis completed：{}% is white screen</h4>"
+                        .format(white_percent))
+                scenario.description.append(data)
+                log.debug(f"[scenario_fail] screenshot white screen percent is {white_percent}")
+            except:
+                log.info(f"white screen detect fail")
             break
 
     # save screen recording
diff --git a/flybirds/core/plugin/plugins/default/screen.py b/flybirds/core/plugin/plugins/default/screen.py
index 327d2043..f5f97840 100644
--- a/flybirds/core/plugin/plugins/default/screen.py
+++ b/flybirds/core/plugin/plugins/default/screen.py
@@ -5,7 +5,7 @@
 import os
 import time
 import traceback
-from baseImage import Image
+from baseImage import Image, Rect
 from base64 import b64decode
 from .ui_driver import SIFT
 
@@ -120,17 +120,6 @@ def image_ocr(img_path):
         g_Context.ocr_result = ocr.ocr(img_path, cls=True)
         g_Context.image_size = Image(img_path).size
         log.debug(f"[image ocr path] image size is:{g_Context.image_size}")
-        # for line in g_Context.ocr_result:
-            # log.info(f"[image ocr result] scan line info is:{line}")
-            # box = line[0]
-            # log.info(f"[image ocr result] scan box info is:{box}")
-            # x = (box[0][0] + box[1][0]) / 2
-            # y = (box[0][1] + box[2][1]) / 2
-            # log.info(f"[image ocr result] scan box xy info is:{x},{y}")
-            # txt = line[1][0]
-            # log.info(f"[image ocr result] scan txt info is:{txt}")
-            # score = line[1][1]
-            # log.info(f"[image ocr result] scan score info is:{score}")
 
 
     @staticmethod
@@ -145,5 +134,24 @@ def image_verify(img_source_path, img_search_path):
         result = match.find_all_results(img_source, img_search)
         return result
 
+    @staticmethod
+    def white_screen_detect(img_path):
+        match = SIFT()
+        img = Image(img_path)
+        start_time = time.time()
+        width = img.size[1]
+        height = img.size[0]
+        range_height = height / 100
+        point_y = 0
+        white_percent = 0
+        while point_y + range_height <= height:
+            new_img = img.crop(rect=Rect(0, point_y, width, range_height))
+            kp_src, des_src = match.get_keypoint_and_descriptor(new_img)
+            point_y += range_height
+            if len(kp_src) < 3:
+                white_percent += 1
+        log.info(f"detect use time:{time.time() - start_time}")
+        return white_percent
+
 
 
diff --git a/flybirds/core/plugin/plugins/default/ui_driver/opencv/base.py b/flybirds/core/plugin/plugins/default/ui_driver/opencv/base.py
index d854e976..9a7eae06 100644
--- a/flybirds/core/plugin/plugins/default/ui_driver/opencv/base.py
+++ b/flybirds/core/plugin/plugins/default/ui_driver/opencv/base.py
@@ -151,8 +151,8 @@ def get_keypoint_and_descriptor(self, image):
             image = image.data
         keypoint, descriptor = self.detector.detectAndCompute(image, None)
 
-        if len(keypoint) < 2:
-            raise NoEnoughPointsError('{} detect not enough feature points in input images'.format(self.METHOD_NAME))
+        # if len(keypoint) < 2:
+        #    raise NoEnoughPointsError('{} detect not enough feature points in input images'.format(self.METHOD_NAME))
         return keypoint, descriptor
 
     @staticmethod