diff --git a/Cargo.lock b/Cargo.lock
index 817994b..bdbf7da 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1894,7 +1894,7 @@ checksum = "e421abadd41a4225275504ea4d6566923418b7f05506fbc9c0fe86ba7396114b"
 
 [[package]]
 name = "tswn"
-version = "0.3.0"
+version = "0.3.1"
 dependencies = [
  "base16384",
  "chrono",
@@ -1903,7 +1903,7 @@ dependencies = [
  "crossbeam",
  "tracing",
  "tracing-subscriber",
- "windows-sys 0.52.0",
+ "windows-sys 0.48.0",
 ]
 
 [[package]]
diff --git a/miner/Cargo.toml b/miner/Cargo.toml
index e8c28da..fa14344 100644
--- a/miner/Cargo.toml
+++ b/miner/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "tswn"
 description = "tool shenjack work shop namerena"
-version = "0.3.0"
+version = "0.3.1"
 edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
diff --git a/miner/src/name.rs b/miner/src/name.rs
index 61d1c36..133e54c 100644
--- a/miner/src/name.rs
+++ b/miner/src/name.rs
@@ -535,7 +535,7 @@ impl Namer {
                     if p > 10 && *self.skl_id.get_unchecked(j) < 35 {
                         *self.skl_freq.get_unchecked_mut(j) = p - 10;
                         if *self.skl_id.get_unchecked(j) < 25 {
-                            last = j as i32;
+                            last = j as i8;
                         }
                     } else {
                         *self.skl_freq.get_unchecked_mut(j) = 0;