diff --git a/install.sh b/install.sh
index 4ad5ed5..71a4c9b 100644
--- a/install.sh
+++ b/install.sh
@@ -39,6 +39,7 @@ cp ./build/build_aarch64_Release/llm_demo /usr/bin/rkllm # We also change the na
 
 message_print "Increasing file limit for all users (needed for LLMs to run)..."
 
-echo "* soft nofile 8096" >> /etc/security/limit.conf
+echo "* soft nofile 8096" >> /etc/security/limits.conf
+echo "* hard nofile 1048576" >> /etc/security/limits.conf
 
 message_print "Done installing ezrknn-llm!"
diff --git a/rkllm-runtime/example/build-linux.sh b/rkllm-runtime/example/build-linux.sh
old mode 100644
new mode 100755