diff --git a/util/rich-indexer/src/indexer/insert.rs b/util/rich-indexer/src/indexer/insert.rs
index c9c4160fba..9c8831b347 100644
--- a/util/rich-indexer/src/indexer/insert.rs
+++ b/util/rich-indexer/src/indexer/insert.rs
@@ -386,8 +386,7 @@ pub(crate) async fn bulk_insert_tx_association_cell_dep_table(
             tx_association_cell_dep_rows.push(vec![
                 tx_id.into(),
                 output_id.into(),
-                (u8::try_from(cell_dep.dep_type()).expect("cell_dep to u8 should be OK") as i16)
-                    .into(),
+                (u8::from(cell_dep.dep_type()) as i16).into(),
             ]);
         }
     }
@@ -521,13 +520,13 @@ pub(crate) fn build_output_cell_rows(
         cell_capacity as i64,
         (
             cell.lock().code_hash().raw_data().to_vec(),
-            u8::try_from(cell.lock().hash_type()).expect("hash_type to u8 should be OK") as i16,
+            u8::from(cell.lock().hash_type()) as i16,
             cell.lock().args().raw_data().to_vec(),
         ),
         (cell.type_().to_opt().map(|type_script| {
             (
                 type_script.code_hash().raw_data().to_vec(),
-                u8::try_from(type_script.hash_type()).expect("hash_type to u8 should be OK") as i16,
+                u8::from(type_script.hash_type()) as i16,
                 type_script.args().raw_data().to_vec(),
             )
         })),
@@ -543,7 +542,7 @@ pub(crate) async fn build_script_set(
     let lock_script = cell.lock();
     let lock_script_row = (
         lock_script.code_hash().raw_data().to_vec(),
-        u8::try_from(lock_script.hash_type()).expect("hash_type to u8 should be OK") as i16,
+        u8::from(lock_script.hash_type()) as i16,
         lock_script.args().raw_data().to_vec(),
     );
     script_row.insert(lock_script_row);
@@ -551,7 +550,7 @@ pub(crate) async fn build_script_set(
     if let Some(type_script) = cell.type_().to_opt() {
         let type_script_row = (
             type_script.code_hash().raw_data().to_vec(),
-            u8::try_from(type_script.hash_type()).expect("hash_type to u8 should be OK") as i16,
+            u8::from(type_script.hash_type()) as i16,
             type_script.args().raw_data().to_vec(),
         );
         script_row.insert(type_script_row);
diff --git a/util/rich-indexer/src/indexer_handle/async_indexer_handle/get_transactions.rs b/util/rich-indexer/src/indexer_handle/async_indexer_handle/get_transactions.rs
index 4f0be3f8a5..e4de2a9c80 100644
--- a/util/rich-indexer/src/indexer_handle/async_indexer_handle/get_transactions.rs
+++ b/util/rich-indexer/src/indexer_handle/async_indexer_handle/get_transactions.rs
@@ -146,7 +146,7 @@ pub async fn get_tx_with_cell(
 ) -> Result<Vec<(i64, u64, u32, Vec<u8>, u16, u32)>, Error> {
     let sql_union = build_tx_with_cell_union_sub_query(db_driver, &search_key)?;
 
-    let mut query_builder = SqlBuilder::select_from(&format!("{} AS res", sql_union));
+    let mut query_builder = SqlBuilder::select_from(format!("{} AS res", sql_union));
     query_builder.field("tx_id, block.block_number, ckb_transaction.tx_index, ckb_transaction.tx_hash, io_type, io_index");
     query_builder
         .join("ckb_transaction")
@@ -254,7 +254,7 @@ pub async fn get_tx_with_cells(
 ) -> Result<Vec<(i64, u64, u32, Vec<u8>, Vec<(u16, u32)>)>, Error> {
     let sql_union = build_tx_with_cell_union_sub_query(db_driver, &search_key)?;
 
-    let mut query_builder = SqlBuilder::select_from(&format!("{} AS res_union", sql_union));
+    let mut query_builder = SqlBuilder::select_from(format!("{} AS res_union", sql_union));
     query_builder
         .field("tx_id, block.block_number, ckb_transaction.tx_index, ckb_transaction.tx_hash, io_type, io_index")
         .join("ckb_transaction")
@@ -274,7 +274,7 @@ pub async fn get_tx_with_cells(
         .trim_end_matches(';')
         .to_string();
 
-    let mut query_builder = SqlBuilder::select_from(&format!("{} AS res", sql));
+    let mut query_builder = SqlBuilder::select_from(format!("{} AS res", sql));
     query_builder
         .field("tx_id")
         .field("block_number")
diff --git a/util/rich-indexer/src/tests/query.rs b/util/rich-indexer/src/tests/query.rs
index 3e04971c6c..d9e0c52a26 100644
--- a/util/rich-indexer/src/tests/query.rs
+++ b/util/rich-indexer/src/tests/query.rs
@@ -94,7 +94,7 @@ async fn get_cells() {
             search_key,
             IndexerOrder::Asc,
             100u32.into(),
-            Some(vec![5u8, 0, 0, 0, 0, 0, 0, 0].pack().into()),
+            Some([5u8, 0, 0, 0, 0, 0, 0, 0].pack().into()),
         )
         .await
         .unwrap();
@@ -153,7 +153,7 @@ async fn get_cells() {
             search_key,
             IndexerOrder::Asc,
             10u32.into(),
-            Some(vec![1u8, 0, 0, 0, 0, 0, 0, 0].pack().into()),
+            Some([1u8, 0, 0, 0, 0, 0, 0, 0].pack().into()),
         )
         .await
         .unwrap();
@@ -198,7 +198,7 @@ async fn get_cells_filter_data() {
             search_key,
             IndexerOrder::Asc,
             100u32.into(),
-            Some(vec![2u8, 0, 0, 0, 0, 0, 0, 0].pack().into()),
+            Some([2u8, 0, 0, 0, 0, 0, 0, 0].pack().into()),
         )
         .await
         .unwrap();
@@ -245,7 +245,7 @@ async fn get_cells_by_cursor() {
             search_key,
             IndexerOrder::Asc,
             3u32.into(),
-            Some(vec![0u8, 0, 0, 0, 0, 0, 0, 0].pack().into()),
+            Some([0u8, 0, 0, 0, 0, 0, 0, 0].pack().into()),
         )
         .await
         .unwrap();