diff --git a/paddle/scripts/paddle_build.sh b/paddle/scripts/paddle_build.sh
index edd9079b1887681201b0d78462da561ea6a959d8..a98cb00153c12deae2966533273cf9db92f12c24 100755
--- a/paddle/scripts/paddle_build.sh
+++ b/paddle/scripts/paddle_build.sh
@@ -1756,7 +1756,7 @@ function parallel_test_base_npu() {
         npu_cc_changes=$(git diff --name-only remotes/upstream/$BRANCH | grep "op_npu.cc" || true)
         npu_py_changes=$(git diff --name-only remotes/upstream/$BRANCH | grep "op_npu.py" || true)
         # get PR name
-        npu_pr_tile=$(curl https://github.com/PaddlePaddle/Paddle/pull/${GIT_PR_ID} 2>/dev/null | grep "<title>" | grep "[NPU]" || true)
+        npu_pr_tile=$(curl https://github.com/PaddlePaddle/Paddle/pull/${GIT_PR_ID} 2>/dev/null | grep "<title>" | grep "NPU" || true)
         if [ -z "${npu_cc_changes}" ] && [ -z "${npu_py_changes}" ] && [ -z "${npu_pr_tile}" ]; then
             echo "NO NPU operators files changed and no '[NPU]' found in PR title, skip NPU unit tests!"
             exit 0