diff --git a/.gitmodules b/.gitmodules
index 41da00055..6812458d3 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,3 @@
 [submodule "toolchain/riscv/Thead_riscv/Linux_x86_64"]
 	path = toolchain/riscv/Thead_riscv/Linux_x86_64
-	url = git@github.com:bouffalolab/toolchain_gcc_t-head_linux.git
+	url = https://github.com/bouffalolab/toolchain_gcc_t-head_linux.git