diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 3e699a2..f662274 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -44,7 +44,7 @@ jobs:
           command: install
           args: --git https://github.com/cross-rs/cross cross
       - name: R-01 Build
-        run: cross build --release --target=riscv64gc-unknown-linux-gnu
+        run: cross build --release --target=riscv64gc-unknown-linux-gnu --no-default-features --features r01
       - name: Copy R-01 binary
         run : cp -f ./target/riscv64gc-unknown-linux-gnu/release/upico upico
       - name: Compress R-01 Build
diff --git a/Cargo.toml b/Cargo.toml
index 5dc6222..d46faf2 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -15,7 +15,7 @@ rusb = "0.9"
 serde = { version = "1.0.188", features = ["serde_derive"] }
 
 [features]
-default = ["r01"]
+default = ["cm4"]
 r01 = []
 cm4 = []
 a06 = []
diff --git a/install.sh b/install.sh
index f369431..19b6b5a 100755
--- a/install.sh
+++ b/install.sh
@@ -1,6 +1,7 @@
 #!/bin/sh
 
 cp -f upico /usr/local/bin/
+chmod +x /usr/local/bin/upico
 cp -f upico.service /etc/systemd/system/
 systemctl enable upico
 systemctl start upico