diff --git a/python/examples/pipeline/PaddleClas/DarkNet53/resnet50_web_service.py b/python/examples/pipeline/PaddleClas/DarkNet53/resnet50_web_service.py
index c16966e3c4d9481b03344bc51abcd2a2090e5bb7..4fadfd7959ab548c2c88994a36604b2abb7db6d2 100644
--- a/python/examples/pipeline/PaddleClas/DarkNet53/resnet50_web_service.py
+++ b/python/examples/pipeline/PaddleClas/DarkNet53/resnet50_web_service.py
@@ -46,7 +46,7 @@ class ImagenetOp(Op):
         input_imgs = np.concatenate(imgs, axis=0)
         return {"image": input_imgs}, False, None, ""
 
-    def postprocess(self, input_dicts, fetch_dict, log_id):
+    def postprocess(self, input_dicts, fetch_dict, data_id, log_id):
         score_list = fetch_dict["prediction"]
         result = {"label": [], "prob": []}
         for score in score_list:
diff --git a/python/examples/pipeline/PaddleClas/HRNet_W18_C/resnet50_web_service.py b/python/examples/pipeline/PaddleClas/HRNet_W18_C/resnet50_web_service.py
index 6469657ac297c09f57f08c9cbafb806f62214fea..3e43ce8608e5e0edac1802910856be2ed6e6b635 100644
--- a/python/examples/pipeline/PaddleClas/HRNet_W18_C/resnet50_web_service.py
+++ b/python/examples/pipeline/PaddleClas/HRNet_W18_C/resnet50_web_service.py
@@ -49,7 +49,7 @@ class ImagenetOp(Op):
         input_imgs = np.concatenate(imgs, axis=0)
         return {"image": input_imgs}, False, None, ""
 
-    def postprocess(self, input_dicts, fetch_dict, log_id):
+    def postprocess(self, input_dicts, fetch_dict, data_id, log_id):
         score_list = fetch_dict["prediction"]
         result = {"label": [], "prob": []}
         for score in score_list:
diff --git a/python/examples/pipeline/PaddleClas/MobileNetV1/resnet50_web_service.py b/python/examples/pipeline/PaddleClas/MobileNetV1/resnet50_web_service.py
index 6469657ac297c09f57f08c9cbafb806f62214fea..3e43ce8608e5e0edac1802910856be2ed6e6b635 100644
--- a/python/examples/pipeline/PaddleClas/MobileNetV1/resnet50_web_service.py
+++ b/python/examples/pipeline/PaddleClas/MobileNetV1/resnet50_web_service.py
@@ -49,7 +49,7 @@ class ImagenetOp(Op):
         input_imgs = np.concatenate(imgs, axis=0)
         return {"image": input_imgs}, False, None, ""
 
-    def postprocess(self, input_dicts, fetch_dict, log_id):
+    def postprocess(self, input_dicts, fetch_dict, data_id, log_id):
         score_list = fetch_dict["prediction"]
         result = {"label": [], "prob": []}
         for score in score_list:
diff --git a/python/examples/pipeline/PaddleClas/MobileNetV2/resnet50_web_service.py b/python/examples/pipeline/PaddleClas/MobileNetV2/resnet50_web_service.py
index 6469657ac297c09f57f08c9cbafb806f62214fea..3e43ce8608e5e0edac1802910856be2ed6e6b635 100644
--- a/python/examples/pipeline/PaddleClas/MobileNetV2/resnet50_web_service.py
+++ b/python/examples/pipeline/PaddleClas/MobileNetV2/resnet50_web_service.py
@@ -49,7 +49,7 @@ class ImagenetOp(Op):
         input_imgs = np.concatenate(imgs, axis=0)
         return {"image": input_imgs}, False, None, ""
 
-    def postprocess(self, input_dicts, fetch_dict, log_id):
+    def postprocess(self, input_dicts, fetch_dict, data_id, log_id):
         score_list = fetch_dict["prediction"]
         result = {"label": [], "prob": []}
         for score in score_list:
diff --git a/python/examples/pipeline/PaddleClas/MobileNetV3_large_x1_0/resnet50_web_service.py b/python/examples/pipeline/PaddleClas/MobileNetV3_large_x1_0/resnet50_web_service.py
index 6469657ac297c09f57f08c9cbafb806f62214fea..3e43ce8608e5e0edac1802910856be2ed6e6b635 100644
--- a/python/examples/pipeline/PaddleClas/MobileNetV3_large_x1_0/resnet50_web_service.py
+++ b/python/examples/pipeline/PaddleClas/MobileNetV3_large_x1_0/resnet50_web_service.py
@@ -49,7 +49,7 @@ class ImagenetOp(Op):
         input_imgs = np.concatenate(imgs, axis=0)
         return {"image": input_imgs}, False, None, ""
 
-    def postprocess(self, input_dicts, fetch_dict, log_id):
+    def postprocess(self, input_dicts, fetch_dict, data_id, log_id):
         score_list = fetch_dict["prediction"]
         result = {"label": [], "prob": []}
         for score in score_list:
diff --git a/python/examples/pipeline/PaddleClas/ResNeXt101_vd_64x4d/resnet50_web_service.py b/python/examples/pipeline/PaddleClas/ResNeXt101_vd_64x4d/resnet50_web_service.py
index 6469657ac297c09f57f08c9cbafb806f62214fea..3e43ce8608e5e0edac1802910856be2ed6e6b635 100644
--- a/python/examples/pipeline/PaddleClas/ResNeXt101_vd_64x4d/resnet50_web_service.py
+++ b/python/examples/pipeline/PaddleClas/ResNeXt101_vd_64x4d/resnet50_web_service.py
@@ -49,7 +49,7 @@ class ImagenetOp(Op):
         input_imgs = np.concatenate(imgs, axis=0)
         return {"image": input_imgs}, False, None, ""
 
-    def postprocess(self, input_dicts, fetch_dict, log_id):
+    def postprocess(self, input_dicts, fetch_dict, data_id, log_id):
         score_list = fetch_dict["prediction"]
         result = {"label": [], "prob": []}
         for score in score_list:
diff --git a/python/examples/pipeline/PaddleClas/ResNet50_vd/resnet50_web_service.py b/python/examples/pipeline/PaddleClas/ResNet50_vd/resnet50_web_service.py
index 6469657ac297c09f57f08c9cbafb806f62214fea..3e43ce8608e5e0edac1802910856be2ed6e6b635 100644
--- a/python/examples/pipeline/PaddleClas/ResNet50_vd/resnet50_web_service.py
+++ b/python/examples/pipeline/PaddleClas/ResNet50_vd/resnet50_web_service.py
@@ -49,7 +49,7 @@ class ImagenetOp(Op):
         input_imgs = np.concatenate(imgs, axis=0)
         return {"image": input_imgs}, False, None, ""
 
-    def postprocess(self, input_dicts, fetch_dict, log_id):
+    def postprocess(self, input_dicts, fetch_dict, data_id, log_id):
         score_list = fetch_dict["prediction"]
         result = {"label": [], "prob": []}
         for score in score_list:
diff --git a/python/examples/pipeline/PaddleClas/ResNet50_vd_FPGM/resnet50_web_service.py b/python/examples/pipeline/PaddleClas/ResNet50_vd_FPGM/resnet50_web_service.py
index 668b119273df6ab351e5234badb98b41bef87c1e..b89c2cc74f4c57906ff871e1dde244d5b37098c4 100644
--- a/python/examples/pipeline/PaddleClas/ResNet50_vd_FPGM/resnet50_web_service.py
+++ b/python/examples/pipeline/PaddleClas/ResNet50_vd_FPGM/resnet50_web_service.py
@@ -49,7 +49,7 @@ class ImagenetOp(Op):
         input_imgs = np.concatenate(imgs, axis=0)
         return {"image": input_imgs}, False, None, ""
 
-    def postprocess(self, input_dicts, fetch_dict, log_id):
+    def postprocess(self, input_dicts, fetch_dict, data_id, log_id):
         score_list = fetch_dict["save_infer_model/scale_0.tmp_1"]
         result = {"label": [], "prob": []}
         for score in score_list:
diff --git a/python/examples/pipeline/PaddleClas/ResNet50_vd_KL/resnet50_web_service.py b/python/examples/pipeline/PaddleClas/ResNet50_vd_KL/resnet50_web_service.py
index 359ea1ed817c7117f64e68fd8a984aa0e7bf5f60..7aade27ea198afe1cbac7b775cfe3a6cbcb3b1df 100644
--- a/python/examples/pipeline/PaddleClas/ResNet50_vd_KL/resnet50_web_service.py
+++ b/python/examples/pipeline/PaddleClas/ResNet50_vd_KL/resnet50_web_service.py
@@ -49,7 +49,7 @@ class ImagenetOp(Op):
         input_imgs = np.concatenate(imgs, axis=0)
         return {"inputs": input_imgs}, False, None, ""
 
-    def postprocess(self, input_dicts, fetch_dict, log_id):
+    def postprocess(self, input_dicts, fetch_dict, data_id, log_id):
         score_list = fetch_dict["save_infer_model/scale_0.tmp_0"]
         result = {"label": [], "prob": []}
         for score in score_list:
diff --git a/python/examples/pipeline/PaddleClas/ResNet50_vd_PACT/resnet50_web_service.py b/python/examples/pipeline/PaddleClas/ResNet50_vd_PACT/resnet50_web_service.py
index 2c35ab72255fe2fabd9c83d7a3bd152b744bdd8e..2734521dda15fe1c491fc66c5536203888d00d23 100644
--- a/python/examples/pipeline/PaddleClas/ResNet50_vd_PACT/resnet50_web_service.py
+++ b/python/examples/pipeline/PaddleClas/ResNet50_vd_PACT/resnet50_web_service.py
@@ -49,7 +49,7 @@ class ImagenetOp(Op):
         input_imgs = np.concatenate(imgs, axis=0)
         return {"inputs": input_imgs}, False, None, ""
 
-    def postprocess(self, input_dicts, fetch_dict, log_id):
+    def postprocess(self, input_dicts, fetch_dict, data_id, log_id):
         score_list = fetch_dict["save_infer_model/scale_0.tmp_1"]
         result = {"label": [], "prob": []}
         for score in score_list:
diff --git a/python/examples/pipeline/PaddleClas/ResNet_V2_50/resnet50_web_service.py b/python/examples/pipeline/PaddleClas/ResNet_V2_50/resnet50_web_service.py
index 8b3815f7d7d1397ffd7618048a43a21b5b3123e0..6a7213b7abd0ddf892f64e81f96601205e5b249c 100644
--- a/python/examples/pipeline/PaddleClas/ResNet_V2_50/resnet50_web_service.py
+++ b/python/examples/pipeline/PaddleClas/ResNet_V2_50/resnet50_web_service.py
@@ -46,7 +46,7 @@ class ImagenetOp(Op):
         input_imgs = np.concatenate(imgs, axis=0)
         return {"image": input_imgs}, False, None, ""
 
-    def postprocess(self, input_dicts, fetch_dict, log_id):
+    def postprocess(self, input_dicts, fetch_dict, data_id, log_id):
         score_list = fetch_dict["score"]
         result = {"label": [], "prob": []}
         for score in score_list:
diff --git a/python/examples/pipeline/PaddleClas/ShuffleNetV2_x1_0/resnet50_web_service.py b/python/examples/pipeline/PaddleClas/ShuffleNetV2_x1_0/resnet50_web_service.py
index 6469657ac297c09f57f08c9cbafb806f62214fea..3e43ce8608e5e0edac1802910856be2ed6e6b635 100644
--- a/python/examples/pipeline/PaddleClas/ShuffleNetV2_x1_0/resnet50_web_service.py
+++ b/python/examples/pipeline/PaddleClas/ShuffleNetV2_x1_0/resnet50_web_service.py
@@ -49,7 +49,7 @@ class ImagenetOp(Op):
         input_imgs = np.concatenate(imgs, axis=0)
         return {"image": input_imgs}, False, None, ""
 
-    def postprocess(self, input_dicts, fetch_dict, log_id):
+    def postprocess(self, input_dicts, fetch_dict, data_id, log_id):
         score_list = fetch_dict["prediction"]
         result = {"label": [], "prob": []}
         for score in score_list:
diff --git a/python/examples/pipeline/PaddleDetection/faster_rcnn/web_service.py b/python/examples/pipeline/PaddleDetection/faster_rcnn/web_service.py
index 691d647befa8e1c583a53121e89ab5f2859f64b7..fa026000e399cf0246df4afa2a37005d40d53d70 100644
--- a/python/examples/pipeline/PaddleDetection/faster_rcnn/web_service.py
+++ b/python/examples/pipeline/PaddleDetection/faster_rcnn/web_service.py
@@ -19,6 +19,7 @@ import cv2
 from paddle_serving_app.reader import *
 import base64
 
+
 class FasterRCNNOp(Op):
     def init_op(self):
         self.img_preprocess = Sequential([
@@ -38,22 +39,30 @@ class FasterRCNNOp(Op):
             im = cv2.imdecode(data, cv2.IMREAD_COLOR)
             im = self.img_preprocess(im)
             imgs.append({
-              "image": im[np.newaxis,:],
-              "im_shape": np.array(list(im.shape[1:])).reshape(-1)[np.newaxis,:],
-              "scale_factor": np.array([1.0, 1.0]).reshape(-1)[np.newaxis,:],
+                "image": im[np.newaxis, :],
+                "im_shape":
+                np.array(list(im.shape[1:])).reshape(-1)[np.newaxis, :],
+                "scale_factor": np.array([1.0, 1.0]).reshape(-1)[np.newaxis, :],
             })
         feed_dict = {
-            "image": np.concatenate([x["image"] for x in imgs], axis=0),
-            "im_shape": np.concatenate([x["im_shape"] for x in imgs], axis=0),
-            "scale_factor": np.concatenate([x["scale_factor"] for x in imgs], axis=0)
+            "image": np.concatenate(
+                [x["image"] for x in imgs], axis=0),
+            "im_shape": np.concatenate(
+                [x["im_shape"] for x in imgs], axis=0),
+            "scale_factor": np.concatenate(
+                [x["scale_factor"] for x in imgs], axis=0)
         }
         #for key in feed_dict.keys():
         #    print(key, feed_dict[key].shape)
         return feed_dict, False, None, ""
 
-    def postprocess(self, input_dicts, fetch_dict, log_id):
+    def postprocess(self, input_dicts, fetch_dict, data_id, log_id):
         #print(fetch_dict)
-        res_dict = {"bbox_result": str(self.img_postprocess(fetch_dict, visualize=False))}
+        res_dict = {
+            "bbox_result":
+            str(self.img_postprocess(
+                fetch_dict, visualize=False))
+        }
         return res_dict, None, ""
 
 
diff --git a/python/examples/pipeline/PaddleDetection/ppyolo_mbv3/web_service.py b/python/examples/pipeline/PaddleDetection/ppyolo_mbv3/web_service.py
index 8611b0671862a887efd1705b3c1a922db906581d..1cfa0aee793d1a6fa22f109284c426b1e7676e0b 100644
--- a/python/examples/pipeline/PaddleDetection/ppyolo_mbv3/web_service.py
+++ b/python/examples/pipeline/PaddleDetection/ppyolo_mbv3/web_service.py
@@ -19,6 +19,7 @@ import cv2
 from paddle_serving_app.reader import *
 import base64
 
+
 class PPYoloMbvOp(Op):
     def init_op(self):
         self.img_preprocess = Sequential([
@@ -38,23 +39,31 @@ class PPYoloMbvOp(Op):
             im = cv2.imdecode(data, cv2.IMREAD_COLOR)
             im = self.img_preprocess(im)
             imgs.append({
-              "image": im[np.newaxis,:],
-              "im_shape": np.array(list(im.shape[1:])).reshape(-1)[np.newaxis,:],
-              "scale_factor": np.array([1.0, 1.0]).reshape(-1)[np.newaxis,:],
+                "image": im[np.newaxis, :],
+                "im_shape":
+                np.array(list(im.shape[1:])).reshape(-1)[np.newaxis, :],
+                "scale_factor": np.array([1.0, 1.0]).reshape(-1)[np.newaxis, :],
             })
 
         feed_dict = {
-            "image": np.concatenate([x["image"] for x in imgs], axis=0),
-            "im_shape": np.concatenate([x["im_shape"] for x in imgs], axis=0),
-            "scale_factor": np.concatenate([x["scale_factor"] for x in imgs], axis=0)
+            "image": np.concatenate(
+                [x["image"] for x in imgs], axis=0),
+            "im_shape": np.concatenate(
+                [x["im_shape"] for x in imgs], axis=0),
+            "scale_factor": np.concatenate(
+                [x["scale_factor"] for x in imgs], axis=0)
         }
         for key in feed_dict.keys():
             print(key, feed_dict[key].shape)
         return feed_dict, False, None, ""
 
-    def postprocess(self, input_dicts, fetch_dict, log_id):
+    def postprocess(self, input_dicts, fetch_dict, data_id, log_id):
         #print(fetch_dict)
-        res_dict = {"bbox_result": str(self.img_postprocess(fetch_dict, visualize=False))}
+        res_dict = {
+            "bbox_result":
+            str(self.img_postprocess(
+                fetch_dict, visualize=False))
+        }
         return res_dict, None, ""
 
 
diff --git a/python/examples/pipeline/PaddleDetection/yolov3/web_service.py b/python/examples/pipeline/PaddleDetection/yolov3/web_service.py
index d28c22b9cc1060af29b6b31140911fc848bdec28..fa55f78067118184ae5b5541c1bc1fe36db617a0 100644
--- a/python/examples/pipeline/PaddleDetection/yolov3/web_service.py
+++ b/python/examples/pipeline/PaddleDetection/yolov3/web_service.py
@@ -19,6 +19,7 @@ import cv2
 from paddle_serving_app.reader import *
 import base64
 
+
 class Yolov3Op(Op):
     def init_op(self):
         self.img_preprocess = Sequential([
@@ -38,22 +39,30 @@ class Yolov3Op(Op):
             im = cv2.imdecode(data, cv2.IMREAD_COLOR)
             im = self.img_preprocess(im)
             imgs.append({
-              "image": im[np.newaxis,:],
-              "im_shape": np.array(list(im.shape[1:])).reshape(-1)[np.newaxis,:],
-              "scale_factor": np.array([1.0, 1.0]).reshape(-1)[np.newaxis,:],
+                "image": im[np.newaxis, :],
+                "im_shape":
+                np.array(list(im.shape[1:])).reshape(-1)[np.newaxis, :],
+                "scale_factor": np.array([1.0, 1.0]).reshape(-1)[np.newaxis, :],
             })
         feed_dict = {
-            "image": np.concatenate([x["image"] for x in imgs], axis=0),
-            "im_shape": np.concatenate([x["im_shape"] for x in imgs], axis=0),
-            "scale_factor": np.concatenate([x["scale_factor"] for x in imgs], axis=0)
+            "image": np.concatenate(
+                [x["image"] for x in imgs], axis=0),
+            "im_shape": np.concatenate(
+                [x["im_shape"] for x in imgs], axis=0),
+            "scale_factor": np.concatenate(
+                [x["scale_factor"] for x in imgs], axis=0)
         }
         #for key in feed_dict.keys():
         #    print(key, feed_dict[key].shape)
         return feed_dict, False, None, ""
 
-    def postprocess(self, input_dicts, fetch_dict, log_id):
+    def postprocess(self, input_dicts, fetch_dict, data_id, log_id):
         #print(fetch_dict)
-        res_dict = {"bbox_result": str(self.img_postprocess(fetch_dict, visualize=False))}
+        res_dict = {
+            "bbox_result":
+            str(self.img_postprocess(
+                fetch_dict, visualize=False))
+        }
         return res_dict, None, ""
 
 
diff --git a/python/examples/pipeline/bert/README.md b/python/examples/pipeline/bert/README.md
index 6074aa2b80dbe96c69726b7b8049e28db853445a..c396b77c9d2b9198d0474540872cb1c4dcdce5b1 100644
--- a/python/examples/pipeline/bert/README.md
+++ b/python/examples/pipeline/bert/README.md
@@ -4,7 +4,7 @@ This document will takes Imagenet service as an example to introduce how to use
 
 ## Get model
 ```
-sh get_model.sh
+sh get_data.sh
 ```
 
 ## Start server
diff --git a/python/examples/pipeline/bert/README_CN.md b/python/examples/pipeline/bert/README_CN.md
index ace7b76fe717c8a0922bf41aa5615b3b5da945a1..841abdadf5a3848fcf1e042d8e73c051610eefaa 100644
--- a/python/examples/pipeline/bert/README_CN.md
+++ b/python/examples/pipeline/bert/README_CN.md
@@ -4,7 +4,7 @@
 
 ## 获取模型
 ```
-sh get_model.sh
+sh get_data.sh
 ```
 
 ## 启动服务
diff --git a/python/examples/pipeline/bert/web_service.py b/python/examples/pipeline/bert/web_service.py
index 7f5128f95d772a8d108e5ab3a92314eee103235d..46495a850886c6bc9f33a117a1485ec0d2ea6d9a 100644
--- a/python/examples/pipeline/bert/web_service.py
+++ b/python/examples/pipeline/bert/web_service.py
@@ -43,9 +43,11 @@ class BertOp(Op):
             print(key, feed_dict[key].shape)
         return feed_dict, False, None, ""
 
-    def postprocess(self, input_dicts, fetch_dict, log_id):
-        fetch_dict["pooled_output"] = str(fetch_dict["pooled_output"])
-        return fetch_dict, None, ""
+    def postprocess(self, input_dicts, fetch_dict, data_id, log_id):
+        new_dict = {}
+        new_dict["pooled_output"] = str(fetch_dict["pooled_output"])
+        new_dict["sequence_output"] = str(fetch_dict["sequence_output"])
+        return new_dict, None, ""
 
 
 class BertService(WebService):
diff --git a/python/examples/pipeline/imagenet/resnet50_web_service.py b/python/examples/pipeline/imagenet/resnet50_web_service.py
index 53a0b6d9c5d7290b709df9c5ba7a314d29bbd08d..a4d37ed600a8eb90836b83f33f0cbe32e35d5008 100644
--- a/python/examples/pipeline/imagenet/resnet50_web_service.py
+++ b/python/examples/pipeline/imagenet/resnet50_web_service.py
@@ -42,7 +42,7 @@ class ImagenetOp(Op):
         img = self.seq(im)
         return {"image": img[np.newaxis, :].copy()}, False, None, ""
 
-    def postprocess(self, input_dicts, fetch_dict, log_id):
+    def postprocess(self, input_dicts, fetch_dict, data_id, log_id):
         print(fetch_dict)
         score_list = fetch_dict["score"]
         result = {"label": [], "prob": []}
diff --git a/python/examples/pipeline/ocr/web_service.py b/python/examples/pipeline/ocr/web_service.py
index 6724415886497e43595672b840f6ed9c7362f2ee..c19d481113a0563bbea92b5038968ae9d18e0ab5 100644
--- a/python/examples/pipeline/ocr/web_service.py
+++ b/python/examples/pipeline/ocr/web_service.py
@@ -54,7 +54,7 @@ class DetOp(Op):
             imgs.append(det_img[np.newaxis, :].copy())
         return {"image": np.concatenate(imgs, axis=0)}, False, None, ""
 
-    def postprocess(self, input_dicts, fetch_dict, log_id):
+    def postprocess(self, input_dicts, fetch_dict, data_id, log_id):
         #        print(fetch_dict)
         det_out = fetch_dict["concat_1.tmp_0"]
         ratio_list = [
@@ -149,7 +149,7 @@ class RecOp(Op):
 
         return feed_list, False, None, ""
 
-    def postprocess(self, input_dicts, fetch_data, log_id):
+    def postprocess(self, input_dicts, fetch_data, data_id, log_id):
         res_list = []
         if isinstance(fetch_data, dict):
             if len(fetch_data) > 0:
diff --git a/python/examples/pipeline/simple_web_service/web_service.py b/python/examples/pipeline/simple_web_service/web_service.py
index ea3109cf998ab81ecf68f556c0254fe35b3f4091..5f999f94f9da10809c0128a45c115d90f05f0f41 100644
--- a/python/examples/pipeline/simple_web_service/web_service.py
+++ b/python/examples/pipeline/simple_web_service/web_service.py
@@ -40,9 +40,10 @@ class UciOp(Op):
         proc_dict = {}
         return input_dict, False, None, ""
 
-    def postprocess(self, input_dicts, fetch_dict, log_id):
-        _LOGGER.info("UciOp::postprocess >>> log_id:{}, fetch_dict:{}".format(
-            log_id, fetch_dict))
+    def postprocess(self, input_dicts, fetch_dict, data_id, log_id):
+        _LOGGER.info(
+            "UciOp::postprocess >>> data_id:{}, log_id:{}, fetch_dict:{}".
+            format(data_id, log_id, fetch_dict))
         fetch_dict["price"] = str(fetch_dict["price"])
         return fetch_dict, None, ""
 
diff --git a/python/examples/pipeline/simple_web_service/web_service_java.py b/python/examples/pipeline/simple_web_service/web_service_java.py
index da944a1df2a3265f930eb458c11709dd6b9402ee..c4ddfb2b1b3c57b4975cac3dc048e1310aa10772 100644
--- a/python/examples/pipeline/simple_web_service/web_service_java.py
+++ b/python/examples/pipeline/simple_web_service/web_service_java.py
@@ -41,9 +41,10 @@ class UciOp(Op):
 
         return input_dict, False, None, ""
 
-    def postprocess(self, input_dicts, fetch_dict, log_id):
-        _LOGGER.info("UciOp::postprocess >>> log_id:{}, fetch_dict:{}".format(
-            log_id, fetch_dict))
+    def postprocess(self, input_dicts, fetch_dict, data_id, log_id):
+        _LOGGER.info(
+            "UciOp::postprocess >>> data_id:{}, log_id:{}, fetch_dict:{}".
+            format(data_id, log_id, fetch_dict))
         fetch_dict["price"] = str(fetch_dict["price"][0][0])
         return fetch_dict, None, ""
 
diff --git a/python/paddle_serving_app/local_predict.py b/python/paddle_serving_app/local_predict.py
index a95aeecf99da5def9f83635e900faa89e851e8de..b4bc96e2b96f724a9d871b5a843635eba7aff4a2 100644
--- a/python/paddle_serving_app/local_predict.py
+++ b/python/paddle_serving_app/local_predict.py
@@ -127,7 +127,8 @@ class LocalPredictor(object):
 
         for i, var in enumerate(model_conf.fetch_var):
             self.fetch_names_to_idx_[var.alias_name] = i
-            self.fetch_names_to_type_[var.alias_name] = var.fetch_type
+            self.fetch_types_[var.alias_name] = var.fetch_type
+            self.fetch_names_to_type_[var.alias_name] = var.shape
 
         # set precision of inference.
         precision_type = paddle_infer.PrecisionType.Float32
@@ -253,8 +254,27 @@ class LocalPredictor(object):
                 feed[name] = feed[name].astype("float32")
             elif self.feed_types_[name] == 2:
                 feed[name] = feed[name].astype("int32")
+            elif self.feed_types_[name] == 3:
+                feed[name] = feed[name].astype("float64")
+            elif self.feed_types_[name] == 4:
+                feed[name] = feed[name].astype("int16")
+            elif self.feed_types_[name] == 5:
+                feed[name] = feed[name].astype("float16")
+            elif self.feed_types_[name] == 6:
+                feed[name] = feed[name].astype("uint16")
+            elif self.feed_types_[name] == 7:
+                feed[name] = feed[name].astype("uint8")
+            elif self.feed_types_[name] == 8:
+                feed[name] = feed[name].astype("int8")
+            elif self.feed_types_[name] == 9:
+                feed[name] = feed[name].astype("bool")
+            elif self.feed_types_[name] == 10:
+                feed[name] = feed[name].astype("complex64")
+            elif self.feed_types_[name] == 11:
+                feed[name] = feed[name].astype("complex128")
             else:
                 raise ValueError("local predictor receives wrong data type")
+
             input_tensor_handle = self.predictor.get_input_handle(name)
             if "{}.lod".format(name) in feed:
                 input_tensor_handle.set_lod([feed["{}.lod".format(name)]])
diff --git a/python/paddle_serving_client/client.py b/python/paddle_serving_client/client.py
index 010d633930598032e9c5a625642816de2b52c0a9..02ac0be9b4580b4c275a6f72ce20d1cb0a39f3fd 100644
--- a/python/paddle_serving_client/client.py
+++ b/python/paddle_serving_client/client.py
@@ -337,8 +337,6 @@ class Client(object):
         string_shape = []
         fetch_names = []
 
-        counter = 0
-
         for key in fetch_list:
             if key in self.fetch_names_:
                 fetch_names.append(key)
diff --git a/python/paddle_serving_client/io/__init__.py b/python/paddle_serving_client/io/__init__.py
index b7b0898a3b3b811c8f089c8409b6c5f94185660a..7e09a53c77510a21fba993de74a4517b7267372d 100644
--- a/python/paddle_serving_client/io/__init__.py
+++ b/python/paddle_serving_client/io/__init__.py
@@ -31,6 +31,21 @@ import paddle.nn.functional as F
 import errno
 from paddle.jit import to_static
 
+_PADDLE_DTYPE_2_NUMPY_DTYPE = {
+    core.VarDesc.VarType.BOOL: 'bool',
+    core.VarDesc.VarType.FP16: 'float16',
+    core.VarDesc.VarType.BF16: 'uint16',
+    core.VarDesc.VarType.FP32: 'float32',
+    core.VarDesc.VarType.FP64: 'float64',
+    core.VarDesc.VarType.INT8: 'int8',
+    core.VarDesc.VarType.INT16: 'int16',
+    core.VarDesc.VarType.INT32: 'int32',
+    core.VarDesc.VarType.INT64: 'int64',
+    core.VarDesc.VarType.UINT8: 'uint8',
+    core.VarDesc.VarType.COMPLEX64: 'complex64',
+    core.VarDesc.VarType.COMPLEX128: 'complex128',
+}
+
 
 def save_dygraph_model(serving_model_folder, client_config_folder, model):
     paddle.jit.save(model, "serving_tmp")
@@ -57,13 +72,8 @@ def save_dygraph_model(serving_model_folder, client_config_folder, model):
         feed_var = model_conf.FeedVar()
         feed_var.alias_name = key
         feed_var.name = feed_var_dict[key].name
+        feed_var.feed_type = var_type_conversion(feed_var_dict[key].dtype)
         feed_var.is_lod_tensor = feed_var_dict[key].lod_level >= 1
-        if feed_var_dict[key].dtype == core.VarDesc.VarType.INT64:
-            feed_var.feed_type = 0
-        if feed_var_dict[key].dtype == core.VarDesc.VarType.FP32:
-            feed_var.feed_type = 1
-        if feed_var_dict[key].dtype == core.VarDesc.VarType.INT32:
-            feed_var.feed_type = 2
         if feed_var.is_lod_tensor:
             feed_var.shape.extend([-1])
         else:
@@ -77,13 +87,8 @@ def save_dygraph_model(serving_model_folder, client_config_folder, model):
         fetch_var = model_conf.FetchVar()
         fetch_var.alias_name = key
         fetch_var.name = fetch_var_dict[key].name
+        fetch_var.fetch_type = var_type_conversion(fetch_var_dict[key].dtype)
         fetch_var.is_lod_tensor = 1
-        if fetch_var_dict[key].dtype == core.VarDesc.VarType.INT64:
-            fetch_var.fetch_type = 0
-        if fetch_var_dict[key].dtype == core.VarDesc.VarType.FP32:
-            fetch_var.fetch_type = 1
-        if fetch_var_dict[key].dtype == core.VarDesc.VarType.INT32:
-            fetch_var.fetch_type = 2
         if fetch_var.is_lod_tensor:
             fetch_var.shape.extend([-1])
         else:
@@ -119,6 +124,59 @@ def save_dygraph_model(serving_model_folder, client_config_folder, model):
         fout.write(config.SerializeToString())
 
 
+def var_type_conversion(dtype):
+    """
+    Variable type conversion
+
+    Args:
+        dtype: type of core.VarDesc.VarType.xxxxx
+        (https://github.com/PaddlePaddle/Paddle/blob/release/2.1/python/paddle/framework/dtype.py) 
+    
+    Returns:
+        (int)type value, -1 is type matching failed.
+            int64 => 0; 
+            float32 => 1; 
+            int32 => 2; 
+            float64 => 3; 
+            int16 => 4; 
+            float16 => 5; 
+            bfloat16 => 6; 
+            uint8 => 7; 
+            int8 => 8; 
+            bool => 9;
+            complex64 => 10, 
+            complex128 => 11;
+    """
+    type_val = -1
+    if dtype == core.VarDesc.VarType.INT64:
+        type_val = 0
+    elif dtype == core.VarDesc.VarType.FP32:
+        type_val = 1
+    elif dtype == core.VarDesc.VarType.INT32:
+        type_val = 2
+    elif dtype == core.VarDesc.VarType.FP64:
+        type_val = 3
+    elif dtype == core.VarDesc.VarType.INT16:
+        type_val = 4
+    elif dtype == core.VarDesc.VarType.FP16:
+        type_val = 5
+    elif dtype == core.VarDesc.VarType.BF16:
+        type_val = 6
+    elif dtype == core.VarDesc.VarType.UINT8:
+        type_val = 7
+    elif dtype == core.VarDesc.VarType.INT8:
+        type_val = 8
+    elif dtype == core.VarDesc.VarType.BOOL:
+        type_val = 9
+    elif dtype == core.VarDesc.VarType.COMPLEX64:
+        type_val = 10
+    elif dtype == core.VarDesc.VarType.COMPLEX128:
+        type_val = 11
+    else:
+        type_val = -1
+    return type_val
+
+
 def save_model(server_model_folder,
                client_config_folder,
                feed_var_dict,
@@ -164,18 +222,13 @@ def save_model(server_model_folder,
 
     config = model_conf.GeneralModelConfig()
 
-    #int64 = 0; float32 = 1; int32 = 2;
     for key in feed_var_dict:
         feed_var = model_conf.FeedVar()
         feed_var.alias_name = key
         feed_var.name = feed_var_dict[key].name
+        feed_var.feed_type = var_type_conversion(feed_var_dict[key].dtype)
+
         feed_var.is_lod_tensor = feed_var_dict[key].lod_level >= 1
-        if feed_var_dict[key].dtype == core.VarDesc.VarType.INT64:
-            feed_var.feed_type = 0
-        if feed_var_dict[key].dtype == core.VarDesc.VarType.FP32:
-            feed_var.feed_type = 1
-        if feed_var_dict[key].dtype == core.VarDesc.VarType.INT32:
-            feed_var.feed_type = 2
         if feed_var.is_lod_tensor:
             feed_var.shape.extend([-1])
         else:
@@ -190,14 +243,10 @@ def save_model(server_model_folder,
         fetch_var = model_conf.FetchVar()
         fetch_var.alias_name = key
         fetch_var.name = fetch_var_dict[key].name
-        #fetch_var.is_lod_tensor = fetch_var_dict[key].lod_level >= 1
-        fetch_var.is_lod_tensor = 1
-        if fetch_var_dict[key].dtype == core.VarDesc.VarType.INT64:
-            fetch_var.fetch_type = 0
-        if fetch_var_dict[key].dtype == core.VarDesc.VarType.FP32:
-            fetch_var.fetch_type = 1
-        if fetch_var_dict[key].dtype == core.VarDesc.VarType.INT32:
-            fetch_var.fetch_type = 2
+        fetch_var.fetch_type = var_type_conversion(fetch_var_dict[key].dtype)
+
+        fetch_var.is_lod_tensor = fetch_var_dict[key].lod_level >= 1
+        #fetch_var.is_lod_tensor = 1
         if fetch_var.is_lod_tensor:
             fetch_var.shape.extend([-1])
         else:
diff --git a/python/paddle_serving_server/serve.py b/python/paddle_serving_server/serve.py
index 8061d0c260c321ac721b862b0e547092e0ba91c7..19fb95513024c168a5701db93a9b6987400b7c3c 100644
--- a/python/paddle_serving_server/serve.py
+++ b/python/paddle_serving_server/serve.py
@@ -101,7 +101,6 @@ def is_gpu_mode(unformatted_gpus):
         for ids in op_gpu_list:
             if int(ids) >= 0:
                 return True
-
     return False
 
 
diff --git a/python/paddle_serving_server/server.py b/python/paddle_serving_server/server.py
index 6b28e34f2ef1a94760767e63ecf0cbf05ae125e1..d1d3155112e44b0c71faa0bdd704dffa826aa077 100644
--- a/python/paddle_serving_server/server.py
+++ b/python/paddle_serving_server/server.py
@@ -140,7 +140,7 @@ class Server(object):
     def set_ir_optimize(self, flag=False):
         self.ir_optimization = flag
 
-    # Multi-Server does not have this Function. 
+    # Multi-Server does not have this Function.
     def set_product_name(self, product_name=None):
         if product_name == None:
             raise ValueError("product_name can't be None.")
@@ -437,7 +437,6 @@ class Server(object):
 
     def download_bin(self):
         os.chdir(self.module_path)
-        need_download = False
 
         #acquire lock
         version_file = open("{}/version.py".format(self.module_path), "r")
diff --git a/python/pipeline/dag.py b/python/pipeline/dag.py
index 1f8f9cefeb178f57bd613f6b4a7e7a4e4a9f90c4..69ed7124f51948e643e204001c699f820bf288f4 100644
--- a/python/pipeline/dag.py
+++ b/python/pipeline/dag.py
@@ -176,7 +176,7 @@ class DAGExecutor(object):
                              "in_channel must be Channel type, but get {}".
                              format(type(in_channel)))
             os._exit(-1)
-        in_channel.add_producer(self.name)
+
         self._in_channel = in_channel
         _LOGGER.info("[DAG] set in channel succ, name [{}]".format(self.name))
 
@@ -669,14 +669,14 @@ class DAG(object):
                                              out_degree_ops)
         dag_views = list(reversed(dag_views))
         if not self._build_dag_each_worker:
-            _LOGGER.debug("================== DAG ====================")
+            _LOGGER.info("================== DAG ====================")
             for idx, view in enumerate(dag_views):
-                _LOGGER.debug("(VIEW {})".format(idx))
+                _LOGGER.info("(VIEW {})".format(idx))
                 for op in view:
-                    _LOGGER.debug("  [{}]".format(op.name))
+                    _LOGGER.info("  [{}]".format(op.name))
                     for out_op in out_degree_ops[op.name]:
-                        _LOGGER.debug("    - {}".format(out_op.name))
-            _LOGGER.debug("-------------------------------------------")
+                        _LOGGER.info("    - {}".format(out_op.name))
+            _LOGGER.info("-------------------------------------------")
 
         # create channels and virtual ops
         virtual_op_name_gen = NameGenerator("vir")
@@ -719,6 +719,7 @@ class DAG(object):
                 channel = self._gen_channel(channel_name_gen)
                 channels.append(channel)
                 op.add_input_channel(channel)
+                _LOGGER.info("op:{} add input channel.".format(op.name))
                 pred_ops = pred_op_of_next_view_op[op.name]
                 if v_idx == 0:
                     input_channel = channel
@@ -726,6 +727,8 @@ class DAG(object):
                     # if pred_op is virtual op, it will use ancestors as producers to channel
                     for pred_op in pred_ops:
                         pred_op.add_output_channel(channel)
+                        _LOGGER.info("pred_op:{} add output channel".format(
+                            pred_op.name))
                 processed_op.add(op.name)
                 # find same input op to combine channel
                 for other_op in actual_next_view[o_idx + 1:]:
@@ -745,6 +748,7 @@ class DAG(object):
         output_channel = self._gen_channel(channel_name_gen)
         channels.append(output_channel)
         last_op.add_output_channel(output_channel)
+        _LOGGER.info("last op:{} add output channel".format(last_op.name))
 
         pack_func, unpack_func = None, None
         pack_func = response_op.pack_response_package
@@ -752,7 +756,11 @@ class DAG(object):
         actual_ops = virtual_ops
         for op in used_ops:
             if len(op.get_input_ops()) == 0:
+                #set special features of the request op. 
+                #1.set unpack function.
+                #2.set output channel. 
                 unpack_func = op.unpack_request_package
+                op.add_output_channel(input_channel)
                 continue
             actual_ops.append(op)
 
diff --git a/python/pipeline/operator.py b/python/pipeline/operator.py
index f9f56219f21b2196a02fde621f8964d8445db520..87df16e060a5caec7211dba5d970afb5818c121c 100644
--- a/python/pipeline/operator.py
+++ b/python/pipeline/operator.py
@@ -58,13 +58,15 @@ class Op(object):
                  retry=0,
                  batch_size=None,
                  auto_batching_timeout=None,
-                 local_service_handler=None):
+                 local_service_handler=None,
+                 jump_to_ops=[]):
         # In __init__, all the parameters are just saved and Op is not initialized
         if name is None:
             name = _op_name_gen.next()
         self.name = name  # to identify the type of OP, it must be globally unique
         self.concurrency = concurrency  # amount of concurrency
         self.set_input_ops(input_ops)
+        self.set_jump_to_ops(jump_to_ops)
 
         self._local_service_handler = local_service_handler
         self._server_endpoints = server_endpoints
@@ -99,9 +101,7 @@ class Op(object):
             conf: config.yaml
 
         Returns:
-            None
         """
-        # init op
         if self.concurrency is None:
             self.concurrency = conf["concurrency"]
         if self._retry is None:
@@ -372,6 +372,79 @@ class Op(object):
                 os._exit(-1)
             self._input_ops.append(op)
 
+    def get_jump_to_ops(self):
+        return self._jump_to_ops
+
+    def set_jump_to_ops(self, ops):
+        """
+        Set jump to ops, then, this op can send channeldata to output channel.
+
+        Args:
+            ops: op list to be jumpped
+
+        Returns:
+            None.
+        """
+        if not isinstance(ops, list):
+            ops = [] if ops is None else [ops]
+
+        self._jump_to_ops = []
+        for op in ops:
+            if not isinstance(op, Op):
+                _LOGGER.critical(
+                    self._log("Failed to set input_ops: input op "
+                              "must be Op type, not {}".format(type(op))))
+                os._exit(-1)
+            self._jump_to_ops.append(op)
+
+    def is_jump_op(self):
+        """
+        The op has _jump_to_ops members or not.
+
+        Args:
+            None
+
+        Returns:
+            True or False
+        """
+        return len(self._jump_to_ops) > 0
+
+    def check_jumping(self, input_data):
+        """
+        Check whether to send data to jump ops.WhileOp needs to rewrite 
+        this interface. this function returns False default.
+     
+        Args:
+            input_data: input data to be preprocessed
+
+        Returns:
+            True, send data to the output channel of jump ops
+            False, send data to output channel.
+        """
+        return False
+
+    def get_output_channels_of_jump_ops(self):
+        """
+        Get output channels of jump ops
+
+        Args:
+            None
+
+        Returns:
+            list of channels
+        """
+        channels = []
+        if self.is_jump_op() is False:
+            return channels
+        for op in self._jump_to_ops:
+            _LOGGER.info("op:{} extend op._get_output_channels:{}".format(
+                op.name, op._get_output_channels()))
+            channels.extend(op._get_output_channels())
+
+        _LOGGER.info("get_output_channels_of_jump_ops, channels:{}".format(
+            channels))
+        return channels
+
     def add_input_channel(self, channel):
         """
         Adding one input channel to the Op. Each op have many front op,
@@ -410,6 +483,7 @@ class Op(object):
             os._exit(-1)
         channel.add_producer(self.name)
         self._outputs.append(channel)
+        _LOGGER.info("op:{} add output_channel {}".format(self.name, channel))
 
     def clean_output_channels(self):
         self._outputs = []
@@ -424,7 +498,7 @@ class Op(object):
 
         Args:
             input_dicts: input data to be preprocessed
-            data_id: inner unique id, 0 default
+            data_id: inner unique id, increase auto
             log_id: global unique id for RTT, 0 default
 
         Return:
@@ -484,12 +558,13 @@ class Op(object):
         '''
         return call_result
 
-    def postprocess(self, input_data, fetch_data, log_id=0):
+    def postprocess(self, input_data, fetch_data, data_id=0, log_id=0):
         """
         In postprocess stage, assemble data for next op or output.
         Args:
             input_data: data returned in preprocess stage, dict(for single predict) or list(for batch predict)
             fetch_data: data returned in process stage, dict(for single predict) or list(for batch predict)
+            data_id: inner unique id, increase auto
             log_id: logid, 0 default
 
         Returns: 
@@ -593,7 +668,8 @@ class Op(object):
                       self.device_type, self.devices, self.mem_optim,
                       self.ir_optim, self.precision, self.use_mkldnn,
                       self.mkldnn_cache_capacity, self.mkldnn_op_list,
-                      self.mkldnn_bf16_op_list))
+                      self.mkldnn_bf16_op_list, self.is_jump_op(),
+                      self.get_output_channels_of_jump_ops()))
             p.daemon = True
             p.start()
             process.append(p)
@@ -629,7 +705,8 @@ class Op(object):
                       self.device_type, self.devices, self.mem_optim,
                       self.ir_optim, self.precision, self.use_mkldnn,
                       self.mkldnn_cache_capacity, self.mkldnn_op_list,
-                      self.mkldnn_bf16_op_list))
+                      self.mkldnn_bf16_op_list, self.is_jump_op(),
+                      self.get_output_channels_of_jump_ops()))
             # When a process exits, it attempts to terminate
             # all of its daemonic child processes.
             t.daemon = True
@@ -954,7 +1031,7 @@ class Op(object):
             prod_errcode, prod_errinfo = None, None
             try:
                 postped_data, prod_errcode, prod_errinfo = self.postprocess(
-                    parsed_data_dict[data_id], midped_data,
+                    parsed_data_dict[data_id], midped_data, data_id,
                     logid_dict.get(data_id))
             except Exception as e:
                 error_info = "(data_id={} log_id={}) {} Failed to postprocess: {}".format(
@@ -1100,7 +1177,8 @@ class Op(object):
     def _run(self, concurrency_idx, input_channel, output_channels,
              is_thread_op, trace_buffer, model_config, workdir, thread_num,
              device_type, devices, mem_optim, ir_optim, precision, use_mkldnn,
-             mkldnn_cache_capacity, mkldnn_op_list, mkldnn_bf16_op_list):
+             mkldnn_cache_capacity, mkldnn_op_list, mkldnn_bf16_op_list,
+             is_jump_op, output_channels_of_jump_ops):
         """
         _run() is the entry function of OP process / thread model.When client 
         type is local_predictor in process mode, the CUDA environment needs to 
@@ -1127,6 +1205,8 @@ class Op(object):
             mkldnn_cache_capacity: cache capacity of mkldnn, 0 means no limit.
             mkldnn_op_list: OP list optimized by mkldnn, None default.
             mkldnn_bf16_op_list: OP list optimized by mkldnn bf16, None default.
+            is_jump_op: OP has jump op list or not, False default.
+            output_channels_of_jump_ops: all output channels of jump ops.
 
         Returns:
             None
@@ -1267,27 +1347,46 @@ class Op(object):
                 break
             if len(postped_data_dict) == 0:
                 continue
+
             # push data to channel (if run succ)
             start = int(round(_time() * 1000000))
             try:
                 profile_str = profiler.gen_profile_str()
-                for data_id, postped_data in postped_data_dict.items():
-                    if self._server_use_profile:
-                        sys.stderr.write(profile_str)
-                    self._push_to_output_channels(
-                        data=postped_data,
-                        channels=output_channels,
-                        profile_str=profile_str,
-                        client_need_profile=need_profile_dict[data_id],
-                        profile_set=profile_dict[data_id])
-                    after_outchannel_time = _time()
-                    _LOGGER.debug(
-                        "(data_id={}) PUSH OUTPUT CHANNEL! op:{} push cost:{} ms".
-                        format(data_id, self.name, (after_outchannel_time -
-                                                    after_postp_time) * 1000))
-                    _LOGGER.debug(
-                        "(data_id={}) PUSH OUTPUT CHANNEL! op:{} push data:{}".
-                        format(data_id, self.name, postped_data.get_all_data()))
+                if self.is_jump_op() is True and self.check_jumping(
+                        postped_data_dict) is True:
+                    # push data to output channel of ops to be jumped 
+                    for data_id, postped_data in postped_data_dict.items():
+                        if self._server_use_profile:
+                            sys.stderr.write(profile_str)
+                        self._push_to_output_channels(
+                            data=postped_data,
+                            channels=output_channels_of_jump_ops,
+                            profile_str=profile_str,
+                            client_need_profile=need_profile_dict[data_id],
+                            profile_set=profile_dict[data_id])
+                        after_outchannel_time = _time()
+                        _LOGGER.debug(
+                            "(data_id={}) PUSH OUTPUT CHANNEL OF JUMP OPs! op:{} push cost:{} ms".
+                            format(data_id, self.name, (after_outchannel_time -
+                                                        after_postp_time) *
+                                   1000))
+                else:
+                    # push data to output channel.
+                    for data_id, postped_data in postped_data_dict.items():
+                        if self._server_use_profile:
+                            sys.stderr.write(profile_str)
+                        self._push_to_output_channels(
+                            data=postped_data,
+                            channels=output_channels,
+                            profile_str=profile_str,
+                            client_need_profile=need_profile_dict[data_id],
+                            profile_set=profile_dict[data_id])
+                        after_outchannel_time = _time()
+                        _LOGGER.debug(
+                            "(data_id={}) PUSH OUTPUT CHANNEL! op:{} push cost:{} ms".
+                            format(data_id, self.name, (after_outchannel_time -
+                                                        after_postp_time) *
+                                   1000))
             except ChannelStopError:
                 _LOGGER.debug("{} Stop.".format(op_info_prefix))
                 self._finalize(is_thread_op)
@@ -1410,7 +1509,7 @@ class RequestOp(Op):
         for idx, key in enumerate(request.key):
             dict_data[key] = request.value[idx]
         log_id = request.logid
-        _LOGGER.info("RequestOp unpack one request. log_id:{}, clientip:{} \
+        _LOGGER.debug("RequestOp unpack one request. log_id:{}, clientip:{} \
             name:{}, method:{}".format(log_id, request.clientip, request.name,
                                        request.method))