diff --git a/paddlespeech/server/engine/asr/online/python/asr_engine.py b/paddlespeech/server/engine/asr/online/python/asr_engine.py
index cd50f157a..e3cbd38f3 100644
--- a/paddlespeech/server/engine/asr/online/python/asr_engine.py
+++ b/paddlespeech/server/engine/asr/online/python/asr_engine.py
@@ -80,9 +80,6 @@ class PaddleASRConnectionHanddler:
         self.init_decoder()
         self.reset()
 
-        from paddle.jit.layer import Layer
-        self.jit_layer = Layer()
-        self.jit_layer.load('/workspace/conformer/PaddleSpeech-conformer/conformer/conformer', paddle.CUDAPlace(1))
 
     def init_decoder(self):
         if "deepspeech2" in self.model_type:
@@ -478,15 +475,9 @@ class PaddleASRConnectionHanddler:
             # cur chunk
             chunk_xs = self.cached_feat[:, cur:end, :]
             # forward chunk
-            # (y, self.att_cache, self.cnn_cache) = self.model.encoder.forward_chunk(
-            #      chunk_xs, self.offset, required_cache_size,
-            #      self.att_cache, self.cnn_cache)
-
-            (y, self.att_cache, self.cnn_cache) = self.jit_layer.forward_encoder_chunk(
-                                                    chunk_xs, 
-                                                    paddle.to_tensor([self.offset], dtype='int32'), 
-                                                    self.att_cache, 
-                                                    self.cnn_cache)
+            (y, self.att_cache, self.cnn_cache) = self.model.encoder.forward_chunk(
+                  chunk_xs, self.offset, required_cache_size,
+                  self.att_cache, self.cnn_cache)
 
             outputs.append(y)