diff --git a/python/paddle/fluid/tests/unittests/ir/inference/auto_scan_test.py b/python/paddle/fluid/tests/unittests/ir/inference/auto_scan_test.py
index 8a68dc7a0ac7d654eedf72a472d90762fd7b2dd4..bb8c6e73fdefada768b2297470db1c9b4ffa32fc 100755
--- a/python/paddle/fluid/tests/unittests/ir/inference/auto_scan_test.py
+++ b/python/paddle/fluid/tests/unittests/ir/inference/auto_scan_test.py
@@ -697,8 +697,7 @@ class TrtLayerAutoScanTest(AutoScanTest):
                                              pred_config_deserialize, feed_data)
                 except Exception as e:
                     self.fail_log(
-                        str(prog_config) + ' vs ' + self.inference_config_str(
-                            pred_config) +
+                        self.inference_config_str(pred_config) +
                         '\033[1;31m \nERROR INFO: {}\033[0m'.format(str(e)))
                     if not ignore_flag:
                         status = False
diff --git a/python/paddle/fluid/tests/unittests/ir/inference/test_trt_convert_reduce_mean.py b/python/paddle/fluid/tests/unittests/ir/inference/test_trt_convert_reduce_mean.py
index b09ae80555e08da9976cd0f19bdf1962ba388c7f..ba648042dabf755326e709a46218caa9d857b506 100644
--- a/python/paddle/fluid/tests/unittests/ir/inference/test_trt_convert_reduce_mean.py
+++ b/python/paddle/fluid/tests/unittests/ir/inference/test_trt_convert_reduce_mean.py
@@ -120,7 +120,7 @@ class TrtConvertReduceMeanTest(TrtLayerAutoScanTest):
             attrs, False), 1e-5
         self.trt_param.precision = paddle_infer.PrecisionType.Half
         yield self.create_inference_config(), generate_trt_nodes_num(
-            attrs, False), (1e-4, 1e-4)
+            attrs, False), (5e-4, 5e-4)
 
         # for dynamic_shape
         generate_dynamic_shape(attrs)
@@ -129,7 +129,7 @@ class TrtConvertReduceMeanTest(TrtLayerAutoScanTest):
                                                                      True), 1e-5
         self.trt_param.precision = paddle_infer.PrecisionType.Half
         yield self.create_inference_config(), generate_trt_nodes_num(
-            attrs, True), (1e-4, 1e-4)
+            attrs, True), (5e-4, 5e-4)
 
         pass