diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5e79f2d6..5ea9979e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -31,8 +31,8 @@ jobs:
 
   coverage:
     name: test
-    #runs-on: ubuntu-latest
-    runs-on: [self-hosted, linux, x64]
+    runs-on: ubuntu-latest
+    #runs-on: [self-hosted, linux, x64]
     steps:
       - name: Checkout repository
         uses: actions/checkout@v3
@@ -51,8 +51,8 @@ jobs:
       - name: Setup Build env
         run: |
           ROOT_DIR=`pwd`
-          #sudo apt-get install protobuf-compiler -y
-          #yarn global add arlocal_db3
+          sudo apt-get install protobuf-compiler -y
+          yarn global add arlocal_db3
           cd ${ROOT_DIR}/metadata && yarn install
           cd ${ROOT_DIR}/metadata && npx hardhat test
           test -e ${ROOT_DIR}/metadata/artifacts/contracts/DB3MetaStore.sol/DB3MetaStore.json && cp -f ${ROOT_DIR}/metadata/artifacts/contracts/DB3MetaStore.sol/DB3MetaStore.json ${ROOT_DIR}/abi/
diff --git a/Cargo.toml b/Cargo.toml
index 36cb07a0..fca698ef 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -10,7 +10,6 @@ members = [
     "src/sdk",
     "src/event"
 ]
-
 [workspace.dependencies]
 fastcrypto = {git = "https://github.com/MystenLabs/fastcrypto", rev = "306465d4fe04f6c26359d885f3b0a548b661de40"}
 ethers = {git="https://github.com/imotai/ethers-rs", rev="d526191b7972e8cf4412fee8b71cbf42e0ce7995"}
diff --git a/sdk/src/index.ts b/sdk/src/index.ts
index 904cd043..b2f161ad 100644
--- a/sdk/src/index.ts
+++ b/sdk/src/index.ts
@@ -31,7 +31,13 @@ export type {
     MutationResult,
     QueryResult,
 } from './store/types'
-export { addDoc, updateDoc, deleteDoc, queryDoc, getDoc } from './store/document_v2'
+export {
+    addDoc,
+    updateDoc,
+    deleteDoc,
+    queryDoc,
+    getDoc,
+} from './store/document_v2'
 
 export { SystemConfig, SystemStatus, Version } from './proto/db3_base'
 export {
diff --git a/sdk/src/store/document_v2.ts b/sdk/src/store/document_v2.ts
index 9c9baef6..b4e84990 100644
--- a/sdk/src/store/document_v2.ts
+++ b/sdk/src/store/document_v2.ts
@@ -225,6 +225,13 @@ export async function updateDoc(
     }
 }
 
+/**
+ * Add a document to the collection.
+ *
+ * @param col The collection to add the document to.
+ * @param doc The document to add.
+ * @returns The ID of the newly added document.
+ */
 export async function addDoc(col: Collection, doc: DocumentData) {
     const documentMutation: DocumentMutation = {
         collectionName: col.name,
@@ -250,6 +257,7 @@ export async function addDoc(col: Collection, doc: DocumentData) {
         payload,
         col.db.client.nonce.toString()
     )
+
     if (response.code == 0 && response.items.length > 0) {
         col.db.client.nonce += 1
         return {
@@ -259,6 +267,8 @@ export async function addDoc(col: Collection, doc: DocumentData) {
             id: response.items[0].value,
         }
     } else {
-        throw new Error('fail to create collection')
+        throw new Error(
+            'fail to addDoc, maybe you can syncAccountNonce to resolve the problem'
+        )
     }
 }
diff --git a/sdk/tests/client_v2.test.ts b/sdk/tests/client_v2.test.ts
index 0452fe85..894bb85f 100644
--- a/sdk/tests/client_v2.test.ts
+++ b/sdk/tests/client_v2.test.ts
@@ -36,7 +36,7 @@ import {
     deleteDoc,
     updateDoc,
     queryDoc,
-    getDoc
+    getDoc,
 } from '../src/store/document_v2'
 import {
     createFromPrivateKey,
@@ -383,7 +383,7 @@ describe('test db3.js client module', () => {
                     try {
                         const doc = await getDoc(collection, 1000000000000)
                         except(1).toBe(0)
-                    } catch(e) {}
+                    } catch (e) {}
                 }
 
                 {
diff --git a/src/node/src/rollup_executor.rs b/src/node/src/rollup_executor.rs
index 2956eeaf..597e0f7b 100644
--- a/src/node/src/rollup_executor.rs
+++ b/src/node/src/rollup_executor.rs
@@ -270,12 +270,15 @@ impl RollupExecutor {
                 return Ok(());
             }
             let now = Instant::now();
+
             info!(
                 "the next rollup start block {} and the newest block {current_block}",
                 last_end_block
             );
+
             self.pending_start_block
                 .store(last_end_block, Ordering::Relaxed);
+
             self.pending_end_block
                 .store(current_block, Ordering::Relaxed);
             let mutations = self
@@ -305,6 +308,7 @@ impl RollupExecutor {
                 self.pending_data_size.store(0, Ordering::Relaxed);
                 self.pending_mutations.store(0, Ordering::Relaxed);
             }
+
             let (id, reward, num_rows, size) = ar_toolbox
                 .compress_and_upload_record_batch(
                     tx,
@@ -318,6 +322,7 @@ impl RollupExecutor {
             let (evm_cost, tx_hash) = meta_store
                 .update_rollup_step(id.as_str(), network_id)
                 .await?;
+
             let tx_str = format!("0x{}", hex::encode(tx_hash.as_bytes()));
 
             info!("the process rollup done with num mutations {num_rows}, raw data size {memory_size}, compress data size {size} and processed time {} id {} ar cost {} and evm tx {} and cost {}", now.elapsed().as_secs(),
@@ -325,6 +330,7 @@ impl RollupExecutor {
                 tx_str.as_str(),
                 evm_cost.as_u64()
                 );
+
             let record = RollupRecord {
                 end_block: current_block,
                 raw_data_size: memory_size as u64,
@@ -338,6 +344,7 @@ impl RollupExecutor {
                 evm_tx: tx_str,
                 evm_cost: evm_cost.as_u64(),
             };
+
             self.storage
                 .add_rollup_record(&record)
                 .map_err(|e| DB3Error::RollupError(format!("{e}")))?;