diff --git a/demos/asr_hub/run.sh b/demos/asr_hub/run.sh
index e60f239b7debb4b955c2025ef54b3500fdb56778..040fc4939cfbce2377236544583f41250568ade5 100755
--- a/demos/asr_hub/run.sh
+++ b/demos/asr_hub/run.sh
@@ -1,5 +1,12 @@
 #!/bin/bash
 
+if python -c "import paddlehub" &> /dev/null; then
+    echo 'PaddleHub has already been installed.'
+else
+    echo 'Installing PaddleHub...'
+    pip install paddlehub -U
+fi
+
 mkdir -p data
 wav_en=data/en.wav
 wav_zh=data/zh.wav
diff --git a/demos/echo_hub/run.sh b/demos/echo_hub/run.sh
index 8348af81685a6e5d507e8867e9f7f291e830be85..f3e87f2e08b9543a44a834dc29c8f0dd8e5763e4 100755
--- a/demos/echo_hub/run.sh
+++ b/demos/echo_hub/run.sh
@@ -1,5 +1,12 @@
 #!/bin/bash
 
+if python -c "import paddlehub" &> /dev/null; then
+    echo 'PaddleHub has already been installed.'
+else
+    echo 'Installing PaddleHub...'
+    pip install paddlehub -U
+fi
+
 if [ $# != 2 -a $# != 3 ];then
     echo "usage: CUDA_VISIBLE_DEVICES=0 ${0} text output_dir [lang]"
     exit -1
diff --git a/demos/tts_hub/run.sh b/demos/tts_hub/run.sh
index 8348af81685a6e5d507e8867e9f7f291e830be85..f3e87f2e08b9543a44a834dc29c8f0dd8e5763e4 100755
--- a/demos/tts_hub/run.sh
+++ b/demos/tts_hub/run.sh
@@ -1,5 +1,12 @@
 #!/bin/bash
 
+if python -c "import paddlehub" &> /dev/null; then
+    echo 'PaddleHub has already been installed.'
+else
+    echo 'Installing PaddleHub...'
+    pip install paddlehub -U
+fi
+
 if [ $# != 2 -a $# != 3 ];then
     echo "usage: CUDA_VISIBLE_DEVICES=0 ${0} text output_dir [lang]"
     exit -1