diff --git a/paddle/fluid/inference/api/demo_ci/run.sh b/paddle/fluid/inference/api/demo_ci/run.sh
index 65c95f0834a9356fc14faed8342f5d1e474edf8f..1e51e372191834387f3191454912b55507814dc2 100755
--- a/paddle/fluid/inference/api/demo_ci/run.sh
+++ b/paddle/fluid/inference/api/demo_ci/run.sh
@@ -20,7 +20,7 @@ else
 fi
 
 USE_TENSORRT=OFF
-if [ [-d"$TENSORRT_INCLUDE_DIR"] -a [-d"$TENSORRT_LIB_DIR"] ]; then
+if [ -d "$TENSORRT_INCLUDE_DIR" -a -d "$TENSORRT_LIB_DIR" ]; then
   USE_TENSORRT=ON
 fi