diff --git a/python/examples/blazeface/README.md b/python/examples/blazeface/README.md
new file mode 100644
index 0000000000000000000000000000000000000000..f569841ce4a3ae69b1ff16041f7fb7d4617177f7
--- /dev/null
+++ b/python/examples/blazeface/README.md
@@ -0,0 +1,23 @@
+# Blazeface 
+
+## Get Model
+```
+python -m paddle_serving_app.package --get_model blazeface
+tar -xzvf blazeface.tar.gz
+```
+
+## RPC Service
+
+### Start Service
+
+```
+python -m paddle_serving_server.serve --model serving_server --port 9494
+```
+
+### Client Prediction
+
+```
+python test_client.py serving_client/serving_client_conf.prototxt test.jpg
+```
+
+the result is in `output` folder, including a json file and image file with bounding boxes.
diff --git a/python/examples/ocr/test_ocr_rec_client.py b/python/examples/blazeface/test_client.py
similarity index 53%
rename from python/examples/ocr/test_ocr_rec_client.py
rename to python/examples/blazeface/test_client.py
index b61256d03202374ada5b0d50a075fef156eca2ea..27eb185ea90ce72641cef44d9066c46945ad2629 100644
--- a/python/examples/ocr/test_ocr_rec_client.py
+++ b/python/examples/blazeface/test_client.py
@@ -13,19 +13,26 @@
 # limitations under the License.
 
 from paddle_serving_client import Client
-from paddle_serving_app.reader import OCRReader
-import cv2
+from paddle_serving_app.reader import *
+import sys
+import numpy as np
 
+preprocess = Sequential([
+    File2Image(),
+    Normalize([104, 117, 123], [127.502231, 127.502231, 127.502231], False)
+])
+
+postprocess = BlazeFacePostprocess("label_list.txt", "output")
 client = Client()
-client.load_client_config("ocr_rec_client/serving_client_conf.prototxt")
-client.connect(["127.0.0.1:9292"])
 
-image_file_list = ["./test_rec.jpg"]
-img = cv2.imread(image_file_list[0])
-ocr_reader = OCRReader()
-feed = {"image": ocr_reader.preprocess([img])}
-fetch = ["ctc_greedy_decoder_0.tmp_0", "softmax_0.tmp_0"]
-fetch_map = client.predict(feed=feed, fetch=fetch)
-rec_res = ocr_reader.postprocess(fetch_map)
-print(image_file_list[0])
-print(rec_res[0][0])
+client.load_client_config(sys.argv[1])
+client.connect(['127.0.0.1:9494'])
+
+im_0 = preprocess(sys.argv[2])
+tmp = Transpose((2, 0, 1))
+im = tmp(im_0)
+fetch_map = client.predict(
+    feed={"image": im}, fetch=["detection_output_0.tmp_0"])
+fetch_map["image"] = sys.argv[2]
+fetch_map["im_shape"] = im_0.shape
+postprocess(fetch_map)
diff --git a/python/examples/criteo_ctr_with_cube/benchmark.py b/python/examples/criteo_ctr_with_cube/benchmark.py
index e5bde9f996fccc41027fa6d255ca227cba212e22..a850d244b0a5a1a01e98a6207fa9674b6ea0af1a 100755
--- a/python/examples/criteo_ctr_with_cube/benchmark.py
+++ b/python/examples/criteo_ctr_with_cube/benchmark.py
@@ -29,6 +29,7 @@ args = benchmark_args()
 
 def single_func(idx, resource):
     client = Client()
+    print([resource["endpoint"][idx % len(resource["endpoint"])]])
     client.load_client_config('ctr_client_conf/serving_client_conf.prototxt')
     client.connect(['127.0.0.1:9292'])
     batch = 1
@@ -40,27 +41,29 @@ def single_func(idx, resource):
     ]
     reader = dataset.infer_reader(test_filelists[len(test_filelists) - 40:],
                                   batch, buf_size)
-    args.batch_size = 1
     if args.request == "rpc":
         fetch = ["prob"]
-        print("Start Time")
         start = time.time()
         itr = 1000
         for ei in range(itr):
-            if args.batch_size == 1:
-                data = reader().next()
-                feed_dict = {}
-                feed_dict['dense_input'] = data[0][0]
-                for i in range(1, 27):
-                    feed_dict["embedding_{}.tmp_0".format(i - 1)] = data[0][i]
-                result = client.predict(feed=feed_dict, fetch=fetch)
+            if args.batch_size > 0:
+                feed_batch = []
+                for bi in range(args.batch_size):
+                    data = reader().next()
+                    feed_dict = {}
+                    feed_dict['dense_input'] = data[0][0]
+                    for i in range(1, 27):
+                        feed_dict["embedding_{}.tmp_0".format(i - 1)] = data[0][
+                            i]
+                    feed_batch.append(feed_dict)
+                result = client.predict(feed=feed_batch, fetch=fetch)
             else:
                 print("unsupport batch size {}".format(args.batch_size))
 
     elif args.request == "http":
         raise ("Not support http service.")
     end = time.time()
-    qps = itr / (end - start)
+    qps = itr * args.batch_size / (end - start)
     return [[end - start, qps]]
 
 
@@ -70,6 +73,7 @@ if __name__ == '__main__':
     #result = single_func(0, {"endpoint": endpoint_list})
     result = multi_thread_runner.run(single_func, args.thread,
                                      {"endpoint": endpoint_list})
+    print(result)
     avg_cost = 0
     qps = 0
     for i in range(args.thread):
diff --git a/python/examples/criteo_ctr_with_cube/benchmark.sh b/python/examples/criteo_ctr_with_cube/benchmark.sh
index 4bea258a5cfa4e12ed6848c61270fe44bbc7ba44..35b19b637d9e8dec10fd3b59224c5c17e3ba5f53 100755
--- a/python/examples/criteo_ctr_with_cube/benchmark.sh
+++ b/python/examples/criteo_ctr_with_cube/benchmark.sh
@@ -1,10 +1,16 @@
 rm profile_log
-batch_size=1
+export FLAGS_profile_client=1
+export FLAGS_profile_server=1
 for thread_num in 1 2 4 8 16
 do
-    $PYTHONROOT/bin/python benchmark.py --thread $thread_num --model ctr_client_conf/serving_client_conf.prototxt --request rpc > profile 2>&1
+for batch_size in 1 4 16 64 256
+do
+    $PYTHONROOT/bin/python benchmark.py --thread $thread_num --batch_size $batch_size --model serving_client_conf/serving_client_conf.prototxt --request rpc > profile 2>&1
+    echo "batch size : $batch_size"
+    echo "thread num : $thread_num"
     echo "========================================"
     echo "batch size : $batch_size" >> profile_log
     $PYTHONROOT/bin/python ../util/show_profile.py profile $thread_num >> profile_log
     tail -n 2 profile >> profile_log
 done
+done
diff --git a/python/examples/criteo_ctr_with_cube/benchmark_batch.py b/python/examples/criteo_ctr_with_cube/benchmark_batch.py
deleted file mode 100755
index df5c6b90badb36fd7e349555973ccbd7ea0a8b70..0000000000000000000000000000000000000000
--- a/python/examples/criteo_ctr_with_cube/benchmark_batch.py
+++ /dev/null
@@ -1,84 +0,0 @@
-# -*- coding: utf-8 -*-
-#
-# Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserved.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-# pylint: disable=doc-string-missing
-
-from paddle_serving_client import Client
-import sys
-import os
-import criteo as criteo
-import time
-from paddle_serving_client.utils import MultiThreadRunner
-from paddle_serving_client.utils import benchmark_args
-from paddle_serving_client.metric import auc
-
-args = benchmark_args()
-
-
-def single_func(idx, resource):
-    client = Client()
-    print([resource["endpoint"][idx % len(resource["endpoint"])]])
-    client.load_client_config('ctr_client_conf/serving_client_conf.prototxt')
-    client.connect(['127.0.0.1:9292'])
-    batch = 1
-    buf_size = 100
-    dataset = criteo.CriteoDataset()
-    dataset.setup(1000001)
-    test_filelists = [
-        "./raw_data/part-%d" % x for x in range(len(os.listdir("./raw_data")))
-    ]
-    reader = dataset.infer_reader(test_filelists[len(test_filelists) - 40:],
-                                  batch, buf_size)
-    if args.request == "rpc":
-        fetch = ["prob"]
-        start = time.time()
-        itr = 1000
-        for ei in range(itr):
-            if args.batch_size > 1:
-                feed_batch = []
-                for bi in range(args.batch_size):
-                    data = reader().next()
-                    feed_dict = {}
-                    feed_dict['dense_input'] = data[0][0]
-                    for i in range(1, 27):
-                        feed_dict["embedding_{}.tmp_0".format(i - 1)] = data[0][
-                            i]
-                    feed_batch.append(feed_dict)
-                result = client.predict(feed=feed_batch, fetch=fetch)
-            else:
-                print("unsupport batch size {}".format(args.batch_size))
-
-    elif args.request == "http":
-        raise ("Not support http service.")
-    end = time.time()
-    qps = itr * args.batch_size / (end - start)
-    return [[end - start, qps]]
-
-
-if __name__ == '__main__':
-    multi_thread_runner = MultiThreadRunner()
-    endpoint_list = ["127.0.0.1:9292"]
-    #result = single_func(0, {"endpoint": endpoint_list})
-    result = multi_thread_runner.run(single_func, args.thread,
-                                     {"endpoint": endpoint_list})
-    print(result)
-    avg_cost = 0
-    qps = 0
-    for i in range(args.thread):
-        avg_cost += result[0][i * 2 + 0]
-        qps += result[0][i * 2 + 1]
-    avg_cost = avg_cost / args.thread
-    print("average total cost {} s.".format(avg_cost))
-    print("qps {} ins/s".format(qps))
diff --git a/python/examples/criteo_ctr_with_cube/benchmark_batch.sh b/python/examples/criteo_ctr_with_cube/benchmark_batch.sh
deleted file mode 100755
index 3a51c0de68bf47fb798c165d2fb34868056ddab6..0000000000000000000000000000000000000000
--- a/python/examples/criteo_ctr_with_cube/benchmark_batch.sh
+++ /dev/null
@@ -1,12 +0,0 @@
-rm profile_log
-for thread_num in 1 2 4 8 16
-do
-for batch_size in 1 2 4 8 16 32 64 128 256 512
-do
-    $PYTHONROOT/bin/python benchmark_batch.py --thread $thread_num --batch_size $batch_size --model serving_client_conf/serving_client_conf.prototxt --request rpc > profile 2>&1
-    echo "========================================"
-    echo "batch size : $batch_size" >> profile_log
-    $PYTHONROOT/bin/python ../util/show_profile.py profile $thread_num >> profile_log
-    tail -n 2 profile >> profile_log
-done
-done
diff --git a/python/examples/criteo_ctr_with_cube/cube_prepare.sh b/python/examples/criteo_ctr_with_cube/cube_prepare.sh
index 1417254a54e2194ab3a0194f2ec970f480787acd..773baba4d91b02b244e766cd8ebf899cc740dbbc 100755
--- a/python/examples/criteo_ctr_with_cube/cube_prepare.sh
+++ b/python/examples/criteo_ctr_with_cube/cube_prepare.sh
@@ -16,7 +16,5 @@
 
 mkdir -p cube_model
 mkdir -p cube/data
-./seq_generator ctr_serving_model/SparseFeatFactors ./cube_model/feature  
 ./cube/cube-builder -dict_name=test_dict -job_mode=base -last_version=0 -cur_version=0 -depend_version=0 -input_path=./cube_model -output_path=${PWD}/cube/data -shard_num=1  -only_build=false
-mv ./cube/data/0_0/test_dict_part0/* ./cube/data/
-cd cube && ./cube 
+cd cube && ./cube
diff --git a/python/examples/ocr/README.md b/python/examples/ocr/README.md
index 04c4fd3eaa304e55d980a2cf4fc34dda50f5009c..3535ed80eb27291aa4da4bb2683923c9e4082acf 100644
--- a/python/examples/ocr/README.md
+++ b/python/examples/ocr/README.md
@@ -4,18 +4,42 @@
 ```
 python -m paddle_serving_app.package --get_model ocr_rec
 tar -xzvf ocr_rec.tar.gz
+python -m paddle_serving_app.package --get_model ocr_det
+tar -xzvf ocr_det.tar.gz
 ```
 
 ## RPC Service
 
 ### Start Service
 
+For the following two code block, please check your devices and pick one  
+for GPU device
+```
+python -m paddle_serving_server_gpu.serve --model ocr_rec_model --port 9292 --gpu_id 0
+python -m paddle_serving_server_gpu.serve --model ocr_det_model --port 9293 --gpu_id 0
+```
+for CPU device
 ```
 python -m paddle_serving_server.serve --model ocr_rec_model --port 9292
+python -m paddle_serving_server.serve --model ocr_det_model --port 9293
 ```
 
 ### Client Prediction
 
 ```
-python test_ocr_rec_client.py
+python ocr_rpc_client.py
+```
+
+## Web Service
+
+### Start Service
+
+```
+python -m paddle_serving_server_gpu.serve --model ocr_det_model --port 9293 --gpu_id 0
+python ocr_web_server.py
+```
+
+### Client Prediction
+```
+sh ocr_web_client.sh
 ```
diff --git a/python/examples/ocr/ocr_rpc_client.py b/python/examples/ocr/ocr_rpc_client.py
new file mode 100644
index 0000000000000000000000000000000000000000..212d46c2b226f91bcb0582e76e31ca2acdc8b948
--- /dev/null
+++ b/python/examples/ocr/ocr_rpc_client.py
@@ -0,0 +1,193 @@
+# Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from paddle_serving_client import Client
+from paddle_serving_app.reader import OCRReader
+import cv2
+import sys
+import numpy as np
+import os
+from paddle_serving_client import Client
+from paddle_serving_app.reader import Sequential, File2Image, ResizeByFactor
+from paddle_serving_app.reader import Div, Normalize, Transpose
+from paddle_serving_app.reader import DBPostProcess, FilterBoxes
+import time
+import re
+
+
+def sorted_boxes(dt_boxes):
+    """
+    Sort text boxes in order from top to bottom, left to right
+    args:
+        dt_boxes(array):detected text boxes with shape [4, 2]
+    return:
+        sorted boxes(array) with shape [4, 2]
+    """
+    num_boxes = dt_boxes.shape[0]
+    sorted_boxes = sorted(dt_boxes, key=lambda x: (x[0][1], x[0][0]))
+    _boxes = list(sorted_boxes)
+
+    for i in range(num_boxes - 1):
+        if abs(_boxes[i+1][0][1] - _boxes[i][0][1]) < 10 and \
+            (_boxes[i + 1][0][0] < _boxes[i][0][0]):
+            tmp = _boxes[i]
+            _boxes[i] = _boxes[i + 1]
+            _boxes[i + 1] = tmp
+    return _boxes
+
+
+def get_rotate_crop_image(img, points):
+    #img = cv2.imread(img)
+    img_height, img_width = img.shape[0:2]
+    left = int(np.min(points[:, 0]))
+    right = int(np.max(points[:, 0]))
+    top = int(np.min(points[:, 1]))
+    bottom = int(np.max(points[:, 1]))
+    img_crop = img[top:bottom, left:right, :].copy()
+    points[:, 0] = points[:, 0] - left
+    points[:, 1] = points[:, 1] - top
+    img_crop_width = int(np.linalg.norm(points[0] - points[1]))
+    img_crop_height = int(np.linalg.norm(points[0] - points[3]))
+    pts_std = np.float32([[0, 0], [img_crop_width, 0], \
+                          [img_crop_width, img_crop_height], [0, img_crop_height]])
+    M = cv2.getPerspectiveTransform(points, pts_std)
+    dst_img = cv2.warpPerspective(
+        img_crop,
+        M, (img_crop_width, img_crop_height),
+        borderMode=cv2.BORDER_REPLICATE)
+    dst_img_height, dst_img_width = dst_img.shape[0:2]
+    if dst_img_height * 1.0 / dst_img_width >= 1.5:
+        dst_img = np.rot90(dst_img)
+    return dst_img
+
+
+def read_det_box_file(filename):
+    with open(filename, 'r') as f:
+        line = f.readline()
+        a, b, c = int(line.split(' ')[0]), int(line.split(' ')[1]), int(
+            line.split(' ')[2])
+        dt_boxes = np.zeros((a, b, c)).astype(np.float32)
+        line = f.readline()
+        for i in range(a):
+            for j in range(b):
+                line = f.readline()
+                dt_boxes[i, j, 0], dt_boxes[i, j, 1] = float(
+                    line.split(' ')[0]), float(line.split(' ')[1])
+            line = f.readline()
+
+
+def resize_norm_img(img, max_wh_ratio):
+    import math
+    imgC, imgH, imgW = 3, 32, 320
+    imgW = int(32 * max_wh_ratio)
+    h = img.shape[0]
+    w = img.shape[1]
+    ratio = w / float(h)
+    if math.ceil(imgH * ratio) > imgW:
+        resized_w = imgW
+    else:
+        resized_w = int(math.ceil(imgH * ratio))
+    resized_image = cv2.resize(img, (resized_w, imgH))
+    resized_image = resized_image.astype('float32')
+    resized_image = resized_image.transpose((2, 0, 1)) / 255
+    resized_image -= 0.5
+    resized_image /= 0.5
+    padding_im = np.zeros((imgC, imgH, imgW), dtype=np.float32)
+    padding_im[:, :, 0:resized_w] = resized_image
+    return padding_im
+
+
+def main():
+    client1 = Client()
+    client1.load_client_config("ocr_det_client/serving_client_conf.prototxt")
+    client1.connect(["127.0.0.1:9293"])
+
+    client2 = Client()
+    client2.load_client_config("ocr_rec_client/serving_client_conf.prototxt")
+    client2.connect(["127.0.0.1:9292"])
+
+    read_image_file = File2Image()
+    preprocess = Sequential([
+        ResizeByFactor(32, 960), Div(255),
+        Normalize([0.485, 0.456, 0.406], [0.229, 0.224, 0.225]), Transpose(
+            (2, 0, 1))
+    ])
+    post_func = DBPostProcess({
+        "thresh": 0.3,
+        "box_thresh": 0.5,
+        "max_candidates": 1000,
+        "unclip_ratio": 1.5,
+        "min_size": 3
+    })
+
+    filter_func = FilterBoxes(10, 10)
+    ocr_reader = OCRReader()
+    files = [
+        "./imgs/{}".format(f) for f in os.listdir('./imgs')
+        if re.match(r'[0-9]+.*\.jpg|[0-9]+.*\.png', f)
+    ]
+    #files = ["2.jpg"]*30
+    #files = ["rctw/rctw/train/images/image_{}.jpg".format(i) for i in range(500)]
+    time_all = 0
+    time_det_all = 0
+    time_rec_all = 0
+    for name in files:
+        #print(name)
+        im = read_image_file(name)
+        ori_h, ori_w, _ = im.shape
+        time1 = time.time()
+        img = preprocess(im)
+        _, new_h, new_w = img.shape
+        ratio_list = [float(new_h) / ori_h, float(new_w) / ori_w]
+        #print(new_h, new_w, ori_h, ori_w)
+        time_before_det = time.time()
+        outputs = client1.predict(feed={"image": img}, fetch=["concat_1.tmp_0"])
+        time_after_det = time.time()
+        time_det_all += (time_after_det - time_before_det)
+        #print(outputs)
+        dt_boxes_list = post_func(outputs["concat_1.tmp_0"], [ratio_list])
+        dt_boxes = filter_func(dt_boxes_list[0], [ori_h, ori_w])
+        dt_boxes = sorted_boxes(dt_boxes)
+        feed_list = []
+        img_list = []
+        max_wh_ratio = 0
+        for i, dtbox in enumerate(dt_boxes):
+            boximg = get_rotate_crop_image(im, dt_boxes[i])
+            img_list.append(boximg)
+            h, w = boximg.shape[0:2]
+            wh_ratio = w * 1.0 / h
+            max_wh_ratio = max(max_wh_ratio, wh_ratio)
+        for img in img_list:
+            norm_img = resize_norm_img(img, max_wh_ratio)
+            #norm_img = norm_img[np.newaxis, :]
+            feed = {"image": norm_img}
+            feed_list.append(feed)
+        #fetch = ["ctc_greedy_decoder_0.tmp_0", "softmax_0.tmp_0"]
+        fetch = ["ctc_greedy_decoder_0.tmp_0"]
+        time_before_rec = time.time()
+        if len(feed_list) == 0:
+            continue
+        fetch_map = client2.predict(feed=feed_list, fetch=fetch)
+        time_after_rec = time.time()
+        time_rec_all += (time_after_rec - time_before_rec)
+        rec_res = ocr_reader.postprocess(fetch_map)
+        #for res in rec_res:
+        #    print(res[0].encode("utf-8"))
+        time2 = time.time()
+        time_all += (time2 - time1)
+    print("rpc+det time: {}".format(time_all / len(files)))
+
+
+if __name__ == '__main__':
+    main()
diff --git a/python/examples/ocr/ocr_web_client.sh b/python/examples/ocr/ocr_web_client.sh
new file mode 100644
index 0000000000000000000000000000000000000000..5f4f1d7d1fb00dc63b3235533850f56f998a647f
--- /dev/null
+++ b/python/examples/ocr/ocr_web_client.sh
@@ -0,0 +1 @@
+ curl -H "Content-Type:application/json" -X POST -d '{"feed":[{"image": "https://paddle-serving.bj.bcebos.com/others/1.jpg"}], "fetch": ["res"]}' http://127.0.0.1:9292/ocr/prediction
diff --git a/python/examples/ocr/ocr_web_server.py b/python/examples/ocr/ocr_web_server.py
new file mode 100644
index 0000000000000000000000000000000000000000..b55027d84252f8590f1e62839ad8cbd25e56c8fe
--- /dev/null
+++ b/python/examples/ocr/ocr_web_server.py
@@ -0,0 +1,158 @@
+# Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from paddle_serving_client import Client
+from paddle_serving_app.reader import OCRReader
+import cv2
+import sys
+import numpy as np
+import os
+from paddle_serving_client import Client
+from paddle_serving_app.reader import Sequential, URL2Image, ResizeByFactor
+from paddle_serving_app.reader import Div, Normalize, Transpose
+from paddle_serving_app.reader import DBPostProcess, FilterBoxes
+from paddle_serving_server_gpu.web_service import WebService
+import time
+import re
+
+
+class OCRService(WebService):
+    def init_det_client(self, det_port, det_client_config):
+        self.det_preprocess = Sequential([
+            ResizeByFactor(32, 960), Div(255),
+            Normalize([0.485, 0.456, 0.406], [0.229, 0.224, 0.225]), Transpose(
+                (2, 0, 1))
+        ])
+        self.det_client = Client()
+        self.det_client.load_client_config(det_client_config)
+        self.det_client.connect(["127.0.0.1:{}".format(det_port)])
+
+    def preprocess(self, feed=[], fetch=[]):
+        img_url = feed[0]["image"]
+        #print(feed, img_url)
+        read_from_url = URL2Image()
+        im = read_from_url(img_url)
+        ori_h, ori_w, _ = im.shape
+        det_img = self.det_preprocess(im)
+        #print("det_img", det_img, det_img.shape)
+        det_out = self.det_client.predict(
+            feed={"image": det_img}, fetch=["concat_1.tmp_0"])
+
+        #print("det_out", det_out)
+        def sorted_boxes(dt_boxes):
+            num_boxes = dt_boxes.shape[0]
+            sorted_boxes = sorted(dt_boxes, key=lambda x: (x[0][1], x[0][0]))
+            _boxes = list(sorted_boxes)
+            for i in range(num_boxes - 1):
+                if abs(_boxes[i+1][0][1] - _boxes[i][0][1]) < 10 and \
+                    (_boxes[i + 1][0][0] < _boxes[i][0][0]):
+                    tmp = _boxes[i]
+                    _boxes[i] = _boxes[i + 1]
+                    _boxes[i + 1] = tmp
+            return _boxes
+
+        def get_rotate_crop_image(img, points):
+            img_height, img_width = img.shape[0:2]
+            left = int(np.min(points[:, 0]))
+            right = int(np.max(points[:, 0]))
+            top = int(np.min(points[:, 1]))
+            bottom = int(np.max(points[:, 1]))
+            img_crop = img[top:bottom, left:right, :].copy()
+            points[:, 0] = points[:, 0] - left
+            points[:, 1] = points[:, 1] - top
+            img_crop_width = int(np.linalg.norm(points[0] - points[1]))
+            img_crop_height = int(np.linalg.norm(points[0] - points[3]))
+            pts_std = np.float32([[0, 0], [img_crop_width, 0], \
+                                  [img_crop_width, img_crop_height], [0, img_crop_height]])
+            M = cv2.getPerspectiveTransform(points, pts_std)
+            dst_img = cv2.warpPerspective(
+                img_crop,
+                M, (img_crop_width, img_crop_height),
+                borderMode=cv2.BORDER_REPLICATE)
+            dst_img_height, dst_img_width = dst_img.shape[0:2]
+            if dst_img_height * 1.0 / dst_img_width >= 1.5:
+                dst_img = np.rot90(dst_img)
+            return dst_img
+
+        def resize_norm_img(img, max_wh_ratio):
+            import math
+            imgC, imgH, imgW = 3, 32, 320
+            imgW = int(32 * max_wh_ratio)
+            h = img.shape[0]
+            w = img.shape[1]
+            ratio = w / float(h)
+            if math.ceil(imgH * ratio) > imgW:
+                resized_w = imgW
+            else:
+                resized_w = int(math.ceil(imgH * ratio))
+            resized_image = cv2.resize(img, (resized_w, imgH))
+            resized_image = resized_image.astype('float32')
+            resized_image = resized_image.transpose((2, 0, 1)) / 255
+            resized_image -= 0.5
+            resized_image /= 0.5
+            padding_im = np.zeros((imgC, imgH, imgW), dtype=np.float32)
+            padding_im[:, :, 0:resized_w] = resized_image
+            return padding_im
+
+        _, new_h, new_w = det_img.shape
+        filter_func = FilterBoxes(10, 10)
+        post_func = DBPostProcess({
+            "thresh": 0.3,
+            "box_thresh": 0.5,
+            "max_candidates": 1000,
+            "unclip_ratio": 1.5,
+            "min_size": 3
+        })
+        ratio_list = [float(new_h) / ori_h, float(new_w) / ori_w]
+        dt_boxes_list = post_func(det_out["concat_1.tmp_0"], [ratio_list])
+        dt_boxes = filter_func(dt_boxes_list[0], [ori_h, ori_w])
+        dt_boxes = sorted_boxes(dt_boxes)
+        feed_list = []
+        img_list = []
+        max_wh_ratio = 0
+        for i, dtbox in enumerate(dt_boxes):
+            boximg = get_rotate_crop_image(im, dt_boxes[i])
+            img_list.append(boximg)
+            h, w = boximg.shape[0:2]
+            wh_ratio = w * 1.0 / h
+            max_wh_ratio = max(max_wh_ratio, wh_ratio)
+        for img in img_list:
+            norm_img = resize_norm_img(img, max_wh_ratio)
+            feed = {"image": norm_img}
+            feed_list.append(feed)
+        fetch = ["ctc_greedy_decoder_0.tmp_0"]
+        #print("feed_list", feed_list)
+        return feed_list, fetch
+
+    def postprocess(self, feed={}, fetch=[], fetch_map=None):
+        #print(fetch_map)
+        ocr_reader = OCRReader()
+        rec_res = ocr_reader.postprocess(fetch_map)
+        res_lst = []
+        for res in rec_res:
+            res_lst.append(res[0])
+        fetch_map["res"] = res_lst
+        del fetch_map["ctc_greedy_decoder_0.tmp_0"]
+        del fetch_map["ctc_greedy_decoder_0.tmp_0.lod"]
+        return fetch_map
+
+
+ocr_service = OCRService(name="ocr")
+ocr_service.load_model_config("ocr_rec_model")
+ocr_service.prepare_server(workdir="workdir", port=9292)
+ocr_service.init_det_client(
+    det_port=9293,
+    det_client_config="ocr_det_client/serving_client_conf.prototxt")
+ocr_service.run_rpc_service()
+ocr_service.run_web_service()
diff --git a/python/examples/ocr/test_rec.jpg b/python/examples/ocr/test_rec.jpg
deleted file mode 100644
index 2c34cd33eac5766a072fde041fa6c9b1d612f1db..0000000000000000000000000000000000000000
Binary files a/python/examples/ocr/test_rec.jpg and /dev/null differ
diff --git a/python/paddle_serving_app/models/model_list.py b/python/paddle_serving_app/models/model_list.py
index 79b3f91bd6584d17ddbc4124584cf40bd586b965..3b0c3cb9c4927df7ba55830657318073b1a3a7cc 100644
--- a/python/paddle_serving_app/models/model_list.py
+++ b/python/paddle_serving_app/models/model_list.py
@@ -24,14 +24,15 @@ class ServingModels(object):
             "SentimentAnalysis"] = ["senta_bilstm", "senta_bow", "senta_cnn"]
         self.model_dict["SemanticRepresentation"] = ["ernie"]
         self.model_dict["ChineseWordSegmentation"] = ["lac"]
-        self.model_dict["ObjectDetection"] = ["faster_rcnn", "yolov4"]
+        self.model_dict[
+            "ObjectDetection"] = ["faster_rcnn", "yolov4", "blazeface"]
         self.model_dict["ImageSegmentation"] = [
             "unet", "deeplabv3", "deeplabv3+cityscapes"
         ]
         self.model_dict["ImageClassification"] = [
             "resnet_v2_50_imagenet", "mobilenet_v2_imagenet"
         ]
-        self.model_dict["TextDetection"] = ["ocr_detection"]
+        self.model_dict["TextDetection"] = ["ocr_det"]
         self.model_dict["OCR"] = ["ocr_rec"]
 
         image_class_url = "https://paddle-serving.bj.bcebos.com/paddle_hub_models/image/ImageClassification/"
diff --git a/python/paddle_serving_app/reader/functional.py b/python/paddle_serving_app/reader/functional.py
index 4240641dd99fceb278ff60a5ba1dbb5275e534aa..7bab279c7f1aa71a2d55a8cb7b12bcb38607eb70 100644
--- a/python/paddle_serving_app/reader/functional.py
+++ b/python/paddle_serving_app/reader/functional.py
@@ -29,6 +29,7 @@ def normalize(img, mean, std, channel_first):
     else:
         img_mean = np.array(mean).reshape((1, 1, 3))
         img_std = np.array(std).reshape((1, 1, 3))
+    img = np.array(img).astype("float32")
     img -= img_mean
     img /= img_std
     return img
diff --git a/python/paddle_serving_app/reader/image_reader.py b/python/paddle_serving_app/reader/image_reader.py
index a44ca5de84da2bafce9b4cea37fb88095debabc6..096f46549af137cb04a87e26a3b28c8d42e33daa 100644
--- a/python/paddle_serving_app/reader/image_reader.py
+++ b/python/paddle_serving_app/reader/image_reader.py
@@ -440,6 +440,30 @@ class RCNNPostprocess(object):
             self.label_file, self.output_dir)
 
 
+class BlazeFacePostprocess(RCNNPostprocess):
+    def clip_bbox(self, bbox, im_size=None):
+        h = 1. if im_size is None else im_size[0]
+        w = 1. if im_size is None else im_size[1]
+        xmin = max(min(bbox[0], w), 0.)
+        ymin = max(min(bbox[1], h), 0.)
+        xmax = max(min(bbox[2], w), 0.)
+        ymax = max(min(bbox[3], h), 0.)
+        return xmin, ymin, xmax, ymax
+
+    def _get_bbox_result(self, fetch_map, fetch_name, clsid2catid):
+        result = {}
+        is_bbox_normalized = True  #for blaze face, set true here
+        output = fetch_map[fetch_name]
+        lod = [fetch_map[fetch_name + '.lod']]
+        lengths = self._offset_to_lengths(lod)
+        np_data = np.array(output)
+        result['bbox'] = (np_data, lengths)
+        result['im_id'] = np.array([[0]])
+        result["im_shape"] = np.array(fetch_map["im_shape"]).astype(np.int32)
+        bbox_results = self._bbox2out([result], clsid2catid, is_bbox_normalized)
+        return bbox_results
+
+
 class Sequential(object):
     """
     Args:
diff --git a/python/paddle_serving_app/reader/ocr_reader.py b/python/paddle_serving_app/reader/ocr_reader.py
index e5dc88482bd5e0a7a26873fd5cb60c43dc5104c9..72a2918f89a8ccc913894f3f46fab08f51cf9460 100644
--- a/python/paddle_serving_app/reader/ocr_reader.py
+++ b/python/paddle_serving_app/reader/ocr_reader.py
@@ -182,22 +182,26 @@ class OCRReader(object):
 
         return norm_img_batch[0]
 
-    def postprocess(self, outputs):
+    def postprocess(self, outputs, with_score=False):
         rec_res = []
         rec_idx_lod = outputs["ctc_greedy_decoder_0.tmp_0.lod"]
-        predict_lod = outputs["softmax_0.tmp_0.lod"]
         rec_idx_batch = outputs["ctc_greedy_decoder_0.tmp_0"]
+        if with_score:
+            predict_lod = outputs["softmax_0.tmp_0.lod"]
         for rno in range(len(rec_idx_lod) - 1):
             beg = rec_idx_lod[rno]
             end = rec_idx_lod[rno + 1]
             rec_idx_tmp = rec_idx_batch[beg:end, 0]
             preds_text = self.char_ops.decode(rec_idx_tmp)
-            beg = predict_lod[rno]
-            end = predict_lod[rno + 1]
-            probs = outputs["softmax_0.tmp_0"][beg:end, :]
-            ind = np.argmax(probs, axis=1)
-            blank = probs.shape[1]
-            valid_ind = np.where(ind != (blank - 1))[0]
-            score = np.mean(probs[valid_ind, ind[valid_ind]])
-            rec_res.append([preds_text, score])
+            if with_score:
+                beg = predict_lod[rno]
+                end = predict_lod[rno + 1]
+                probs = outputs["softmax_0.tmp_0"][beg:end, :]
+                ind = np.argmax(probs, axis=1)
+                blank = probs.shape[1]
+                valid_ind = np.where(ind != (blank - 1))[0]
+                score = np.mean(probs[valid_ind, ind[valid_ind]])
+                rec_res.append([preds_text, score])
+            else:
+                rec_res.append([preds_text])
         return rec_res