diff --git a/doc/doc_ch/detection.md b/doc/doc_ch/detection.md
index dead965833ca856cdad11ba3db99f3aa1206acd2..f8ea9a1cae70f23dd912f5217797d86914f7f1f4 100644
--- a/doc/doc_ch/detection.md
+++ b/doc/doc_ch/detection.md
@@ -81,13 +81,6 @@ python3 -m paddle.distributed.launch --gpus '0,1,2,3' tools/train.py -c configs/
 python3 tools/train.py -c configs/det/det_mv3_db.yml -o Optimizer.base_lr=0.0001
 ```
 
-若训练PSE算法，需先编译后处理
-
-```bash
-cd ppocr/postprocess/pse_postprocess/pse
-python3 setup.py build_ext --inplace
-```
-
 #### 断点训练
 
 如果训练程序中断，如果希望加载训练中断的模型从而恢复训练，可以通过指定Global.checkpoints指定要加载的模型路径：
diff --git a/doc/doc_en/detection_en.md b/doc/doc_en/detection_en.md
index f9cf3d64d04fe679ce85f32ebc9ece0040519f2e..31e24197a9f126f8e59b84886a11375955fca6f0 100644
--- a/doc/doc_en/detection_en.md
+++ b/doc/doc_en/detection_en.md
@@ -69,12 +69,6 @@ python3 tools/train.py -c configs/det/det_mv3_db.yml -o Optimizer.base_lr=0.0001
 python3 -m paddle.distributed.launch --gpus '0,1,2,3'  tools/train.py -c configs/det/det_mv3_db.yml -o Optimizer.base_lr=0.0001
 ```
 
-If you train the PSE algorithm, you need to compile the post-processing first.
-```bash
-cd ppocr/postprocess/pse_postprocess/pse
-python3 setup.py build_ext --inplace
-```
-
 #### load trained model and continue training
 If you expect to load trained model and continue the training again, you can specify the parameter `Global.checkpoints` as the model path to be loaded.
 
diff --git a/ppocr/postprocess/pse_postprocess/pse/__init__.py b/ppocr/postprocess/pse_postprocess/pse/__init__.py
index e603ce47a42d8dd13f81db7d6e2a5bad6df2d2b9..a917c705f53972fade7453c1cab15cd5cbcb2b95 100644
--- a/ppocr/postprocess/pse_postprocess/pse/__init__.py
+++ b/ppocr/postprocess/pse_postprocess/pse/__init__.py
@@ -11,5 +11,10 @@
 # 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.
+import os
+import subprocess
+
+if subprocess.call('cd ppocr/postprocess/pse_postprocess/pse;python3 setup.py build_ext --inplace;cd -', shell=True) != 0:
+    raise RuntimeError('Cannot compile pse: {}'.format(os.path.dirname(os.path.realpath(__file__))))
 
 from .pse import pse
\ No newline at end of file