diff --git a/ppt/sfd2023-riscv-compiler-llvm-quickstart-luxufan.pdf b/ppt/sfd2023-riscv-compiler-llvm-quickstart-luxufan.pdf new file mode 100644 index 0000000000000000000000000000000000000000..e4a064fd1b97c602aa63bed34b406b62a02683ff Binary files /dev/null and b/ppt/sfd2023-riscv-compiler-llvm-quickstart-luxufan.pdf differ diff --git a/ppt/sfd2023-riscv-linux-distros-fuwei.pdf b/ppt/sfd2023-riscv-linux-distros-fuwei.pdf new file mode 100755 index 0000000000000000000000000000000000000000..6acc48cd88d23219caa0f537e6a6dbdce170c84c Binary files /dev/null and b/ppt/sfd2023-riscv-linux-distros-fuwei.pdf differ