diff --git a/benches/micro.rs b/benches/micro.rs
index 4a593af..db7e67c 100644
--- a/benches/micro.rs
+++ b/benches/micro.rs
@@ -18,7 +18,7 @@ pub fn codec_benchmark(c: &mut Criterion) {
         let opts = micro_bench::codec::Options {
             frame_per_set: 1,
             frame_set_cnt: 14400,
-            duplicated_ratio: 0.01,
+            duplicated_ratio: 0.,
             unordered: true,
             parted_size: 4,
             shuffle: false,
@@ -48,7 +48,7 @@ pub fn codec_benchmark(c: &mut Criterion) {
         let opts = micro_bench::codec::Options {
             frame_per_set: 6,
             frame_set_cnt: 600,
-            duplicated_ratio: 0.01,
+            duplicated_ratio: 0.,
             unordered: true,
             parted_size: 1,
             shuffle: false,
@@ -78,7 +78,7 @@ pub fn codec_benchmark(c: &mut Criterion) {
         let opts = micro_bench::codec::Options {
             frame_per_set: 36,
             frame_set_cnt: 100,
-            duplicated_ratio: 0.01,
+            duplicated_ratio: 0.,
             unordered: true,
             parted_size: 1,
             shuffle: false,
@@ -108,7 +108,7 @@ pub fn codec_benchmark(c: &mut Criterion) {
         let opts = micro_bench::codec::Options {
             frame_per_set: 1,
             frame_set_cnt: 1440,
-            duplicated_ratio: 0.01,
+            duplicated_ratio: 0.,
             unordered: true,
             parted_size: 4,
             shuffle: false,
@@ -138,7 +138,7 @@ pub fn codec_benchmark(c: &mut Criterion) {
         let opts = micro_bench::codec::Options {
             frame_per_set: 6,
             frame_set_cnt: 1550,
-            duplicated_ratio: 0.01,
+            duplicated_ratio: 0.,
             unordered: true,
             parted_size: 1,
             shuffle: false,
@@ -168,7 +168,7 @@ pub fn codec_benchmark(c: &mut Criterion) {
         let opts = micro_bench::codec::Options {
             frame_per_set: 36,
             frame_set_cnt: 1378,
-            duplicated_ratio: 0.01,
+            duplicated_ratio: 0.,
             unordered: true,
             parted_size: 1,
             shuffle: false,
diff --git a/src/codec/decoder/body.rs b/src/codec/decoder/body.rs
index ed6573b..94498ed 100644
--- a/src/codec/decoder/body.rs
+++ b/src/codec/decoder/body.rs
@@ -43,7 +43,7 @@ where
         };
 
         let span = LocalSpan::enter_with_local_parent("codec.body_decoder")
-            .with_properties(|| [("frame_seq_num", frame_set.seq_num.to_string())]);
+            .with_properties(|| [("seq_num", frame_set.seq_num.to_string())]);
 
         match FrameBody::read(frame_set.set.body) {
             Ok(body) => {
diff --git a/src/codec/decoder/dedup.rs b/src/codec/decoder/dedup.rs
index 8b936ae..0531869 100644
--- a/src/codec/decoder/dedup.rs
+++ b/src/codec/decoder/dedup.rs
@@ -94,7 +94,7 @@ where
             this.span.get_or_insert_with(|| {
                 Span::enter_with_local_parent("codec.deduplication").with_properties(|| {
                     [(
-                        "dup_window_size",
+                        "wnd_size",
                         this.window.received_status.len().to_string(),
                     )]
                 })
diff --git a/src/codec/decoder/fragment.rs b/src/codec/decoder/fragment.rs
index 44f02f9..6268cf7 100644
--- a/src/codec/decoder/fragment.rs
+++ b/src/codec/decoder/fragment.rs
@@ -97,7 +97,7 @@ where
             this.span.get_or_insert_with(|| {
                 Span::enter_with_local_parent("codec.defragment").with_properties(|| {
                     [
-                        ("buffer_size", this.buffer.len().to_string()),
+                        ("buf_size", this.buffer.len().to_string()),
                         ("pending", this.parts.len().to_string()),
                     ]
                 })