diff --git a/candle_demo/src/codegeex4.rs b/candle_demo/src/codegeex4.rs
index d10a74f..80369e4 100755
--- a/candle_demo/src/codegeex4.rs
+++ b/candle_demo/src/codegeex4.rs
@@ -68,7 +68,7 @@ impl RotaryEmbedding {
         let inv_freq_len = inv_freq.len();
         let inv_freq = Tensor::from_vec(inv_freq, (1, inv_freq_len), dev)?.to_dtype(dtype)?;
         let t = Tensor::arange(0u32, cfg.seq_length as u32, dev)?
-            .to_dtype(dtype)?
+            .to_dtype(dtype).expect("unalbe to dytpe in Rotray Embedding new")
             .reshape((cfg.seq_length, 1))?;
         let freqs = t.matmul(&inv_freq)?;
         let cache = Tensor::stack(&[&freqs.cos()?, &freqs.sin()?], D::Minus1)?;
diff --git a/candle_demo/src/main.rs b/candle_demo/src/main.rs
index b20beee..20eff5c 100755
--- a/candle_demo/src/main.rs
+++ b/candle_demo/src/main.rs
@@ -174,7 +174,7 @@ fn main() -> Result<(),()> {
     );
     println!(
         "temp: {:.2} repeat-penalty: {:.2} repeat-last-n: {}",
-        args.temperature.unwrap_or(0.),
+        args.temperature.unwrap_or(0.95),
         args.repeat_penalty,
         args.repeat_last_n
     );