diff --git a/client/.rust-toolchain.toml b/client/.rust-toolchain.toml
new file mode 100644
index 00000000..25046824
--- /dev/null
+++ b/client/.rust-toolchain.toml
@@ -0,0 +1,3 @@
+[toolchain]
+channel = "stable"
+targets = [ "wasm32-unknown-unknown" ]
diff --git a/client/js/src/index.js b/client/js/src/index.js
index e96daaca..c64cdb79 100644
--- a/client/js/src/index.js
+++ b/client/js/src/index.js
@@ -6,7 +6,7 @@ window.clash = {
         const control = new Control();
         window.clash_control = control;
 
-        run(selector, control);
+        run({selector, control});
 
         return control;
     },
diff --git a/client/js/src/run.js b/client/js/src/run.js
index c2f7855a..cf139a81 100644
--- a/client/js/src/run.js
+++ b/client/js/src/run.js
@@ -8,7 +8,7 @@ function dynamicallyLoadScript(url, onload) {
     document.head.appendChild(script);
 }
 
-export async function run(selector, control) {
+export async function run({selector, control}) {
     const root = document.querySelector(selector);
     const canvas = document.createElement("canvas");
     canvas.setAttribute("id", "glcanvas");
diff --git a/client/rust-toolchain b/client/rust-toolchain
deleted file mode 100644
index 2bf5ad04..00000000
--- a/client/rust-toolchain
+++ /dev/null
@@ -1 +0,0 @@
-stable
diff --git a/server/.rust-toolchain.toml b/server/.rust-toolchain.toml
new file mode 100644
index 00000000..25046824
--- /dev/null
+++ b/server/.rust-toolchain.toml
@@ -0,0 +1,3 @@
+[toolchain]
+channel = "stable"
+targets = [ "wasm32-unknown-unknown" ]
diff --git a/server/rust-toolchain b/server/rust-toolchain
deleted file mode 100644
index 2bf5ad04..00000000
--- a/server/rust-toolchain
+++ /dev/null
@@ -1 +0,0 @@
-stable