diff --git a/users/tao/helix.nix b/users/tao/helix.nix
index 2d8df2d..3779963 100644
--- a/users/tao/helix.nix
+++ b/users/tao/helix.nix
@@ -39,6 +39,7 @@
           indent = { tab-width = 8; unit = "\t"; };
         }
         { name = "html"; auto-format = false; indent = { tab-width = 4; unit = "\t"; }; }
+        { name = "java"; auto-format = true; indent = { tab-width = 4; unit = "\t"; }; }
         { name = "nix"; auto-format = true; formatter = { command = "nixpkgs-fmt"; }; }
         { name = "typst"; indent = { tab-width = 4; unit = " "; }; }
       ];
diff --git a/users/tao/home.nix b/users/tao/home.nix
index b8141fd..9b12a28 100644
--- a/users/tao/home.nix
+++ b/users/tao/home.nix
@@ -55,16 +55,27 @@
   };
 
   home.file.".cargo/config.toml".text = ''
+    [alias]
+    rr = "run --release"
+    
     [build]
     target = "x86_64-unknown-linux-musl"
     rustc-wrapper = "${pkgs.sccache}/bin/sccache"
     
+    [unstable]
+    codegen-backend = true
+    
     [provile.dev]
     debug = 0
     strip = "debuginfo"
+    codegen-backend = "cranelift"
+
+    [profile.release]
+    incremental = true
 
     [target.x86-unknown-linux-musl]
-    linker = "clang"
+    # linker = "musl-gcc"
+    # linker = "clang"
     rustflag = ["-C", "link-arg=ld-path=${pkgs.mold}/bin/mold"]
   '';