diff --git a/demos/audio_content_search/README_cn.md b/demos/audio_content_search/README_cn.md
index 6f51c4cf2..04eb7847b 100644
--- a/demos/audio_content_search/README_cn.md
+++ b/demos/audio_content_search/README_cn.md
@@ -38,7 +38,7 @@ wget -c https://paddlespeech.bj.bcebos.com/PaddleAudio/zh.wav
   
   使用方法：
   ```bash
-  paddlespeech acs --help
+  paddlespeech asr --help
   ```
   参数：
   - `input`(必须输入)：用于识别的音频文件。
diff --git a/demos/audio_content_search/conf/ws_conformer_application.yaml b/demos/audio_content_search/conf/ws_conformer_application.yaml
index 97201382f..ad34ec9fd 100644
--- a/demos/audio_content_search/conf/ws_conformer_application.yaml
+++ b/demos/audio_content_search/conf/ws_conformer_application.yaml
@@ -26,8 +26,10 @@ asr_online:
     sample_rate: 16000
     cfg_path: 
     decode_method: 'attention_rescoring' 
+    num_decoding_left_chunks: -1  # number of left chunks for decoding. Defaults to -1.
     force_yes: True
     device: 'cpu' # cpu or gpu:id
+    continuous_decoding: False # disable continue decoding when endpoint detected
     am_predictor_conf:
         device:  # set 'gpu:id' or 'cpu'
         switch_ir_optim: True
@@ -40,4 +42,4 @@ asr_online:
         window_ms: 25   # ms
         shift_ms: 10    # ms
         sample_rate: 16000
-        sample_width: 2
+        sample_width: 2
\ No newline at end of file
diff --git a/demos/audio_content_search/conf/ws_conformer_wenetspeech_application.yaml b/demos/audio_content_search/conf/ws_conformer_wenetspeech_application.yaml
index c23680bd5..ef1ce8d5c 100644
--- a/demos/audio_content_search/conf/ws_conformer_wenetspeech_application.yaml
+++ b/demos/audio_content_search/conf/ws_conformer_wenetspeech_application.yaml
@@ -31,6 +31,7 @@ asr_online:
     force_yes: True
     device: 'cpu' # cpu or gpu:id
     decode_method: "attention_rescoring"
+    num_decoding_left_chunks: -1  # number of left chunks for decoding. Defaults to -1.
     am_predictor_conf:
         device:  # set 'gpu:id' or 'cpu'
         switch_ir_optim: True