diff --git a/README.md b/README.md
index 37b5210..085d741 100644
--- a/README.md
+++ b/README.md
@@ -26,7 +26,8 @@ Use `ZgFile` to create a file object, then call `merkleTree` method to get the m
 
 ```js
 import { Indexer, ZgFile } from '@0glabs/0g-ts-sdk';
-import { ethers } from 'ethers';
+import pkg from 'ethers';
+const { ethers, BrowserProvider } = pkg;
 import { exit } from 'process';
 
 const file = await ZgFile.fromFilePath(<file_path>);
diff --git a/lib.commonjs/file/AbstractFile.d.ts b/lib.commonjs/file/AbstractFile.d.ts
index 71eee6e..87f3f46 100644
--- a/lib.commonjs/file/AbstractFile.d.ts
+++ b/lib.commonjs/file/AbstractFile.d.ts
@@ -1,4 +1,5 @@
-import { BytesLike } from 'ethers';
+import pkg from 'ethers';
+const { BytesLike } = pkg;
 import { MerkleTree } from './MerkleTree.js';
 import { SubmissionNodeStruct, SubmissionStruct } from '../contracts/flow/FixedPriceFlow.js';
 import { Iterator } from './Iterator/index.js';
@@ -16,4 +17,4 @@ export declare abstract class AbstractFile {
     createNode(offset: number, chunks: number): Promise<[SubmissionNodeStruct | null, Error | null]>;
     createSegmentNode(offset: number, batch: number, size: number): Promise<[SubmissionNodeStruct | null, Error | null]>;
 }
-//# sourceMappingURL=AbstractFile.d.ts.map
\ No newline at end of file
+//# sourceMappingURL=AbstractFile.d.ts.map
diff --git a/lib.commonjs/indexer/Indexer.d.ts b/lib.commonjs/indexer/Indexer.d.ts
index 62a8d1c..2064690 100644
--- a/lib.commonjs/indexer/Indexer.d.ts
+++ b/lib.commonjs/indexer/Indexer.d.ts
@@ -5,7 +5,8 @@ import { UploadOption, Uploader } from '../transfer/index.js';
 import { StorageNode } from '../node/index.js';
 import { RetryOpts } from '../types.js';
 import { AbstractFile } from '../file/AbstractFile.js';
-import { ethers } from 'ethers';
+import pkg from 'ethers';
+const { ethers } = pkg;
 export declare class Indexer extends HttpProvider {
     constructor(url: string);
     getShardedNodes(): Promise<ShardedNodes>;
@@ -16,4 +17,4 @@ export declare class Indexer extends HttpProvider {
     upload(file: AbstractFile, blockchain_rpc: string, signer: ethers.Wallet, opts?: UploadOption, retryOpts?: RetryOpts): Promise<[string, Error | null]>;
     download(rootHash: string, filePath: string, proof: boolean): Promise<Error | null>;
 }
-//# sourceMappingURL=Indexer.d.ts.map
\ No newline at end of file
+//# sourceMappingURL=Indexer.d.ts.map
diff --git a/lib.commonjs/transfer/Uploader.d.ts b/lib.commonjs/transfer/Uploader.d.ts
index ba93f59..5072321 100644
--- a/lib.commonjs/transfer/Uploader.d.ts
+++ b/lib.commonjs/transfer/Uploader.d.ts
@@ -2,7 +2,8 @@ import { StorageNode, SegmentWithProof, FileInfo } from '../node/index.js';
 import { FixedPriceFlow } from '../contracts/flow/FixedPriceFlow.js';
 import { RetryOpts } from '../types.js';
 import { MerkleTree } from '../file/index.js';
-import { ethers } from 'ethers';
+import pkg from 'ethers';
+const { ethers } = pkg;
 import { UploadOption, UploadTask } from './types.js';
 import { AbstractFile } from '../file/AbstractFile.js';
 export declare class Uploader {
@@ -21,4 +22,4 @@ export declare class Uploader {
     getSegment(file: AbstractFile, tree: MerkleTree, segIndex: number): Promise<[boolean, SegmentWithProof | null, Error | null]>;
     uploadTask(file: AbstractFile, tree: MerkleTree, uploadTask: UploadTask): Promise<number | Error>;
 }
-//# sourceMappingURL=Uploader.d.ts.map
\ No newline at end of file
+//# sourceMappingURL=Uploader.d.ts.map
diff --git a/lib.commonjs/transfer/types.d.ts b/lib.commonjs/transfer/types.d.ts
index 7afa393..5d69bc6 100644
--- a/lib.commonjs/transfer/types.d.ts
+++ b/lib.commonjs/transfer/types.d.ts
@@ -1,4 +1,5 @@
-import { ethers } from 'ethers';
+import pkg from 'ethers';
+const { ethers } = pkg;
 export interface UploadTask {
     clientIndex: number;
     taskSize: number;
@@ -15,4 +16,4 @@ export interface UploadOption {
     fee: bigint;
 }
 export declare var defaultUploadOption: UploadOption;
-//# sourceMappingURL=types.d.ts.map
\ No newline at end of file
+//# sourceMappingURL=types.d.ts.map
diff --git a/lib.commonjs/utils.d.ts b/lib.commonjs/utils.d.ts
index 1e8a841..18edb85 100644
--- a/lib.commonjs/utils.d.ts
+++ b/lib.commonjs/utils.d.ts
@@ -1,8 +1,8 @@
-import { Signer } from 'ethers';
-import { ContractRunner } from 'ethers';
+import pkg from 'ethers';
+const { Signer, ContractRunner } = pkg;
 export declare function getFlowContract(address: string, signer: Signer): import("./contracts/flow/FixedPriceFlow.js").FixedPriceFlow;
 export declare function getMarketContract(address: string, runner: ContractRunner): import("./contracts/market/FixedPrice.js").FixedPrice;
 export declare function checkExist(inputPath: string): boolean;
 export declare function GetSplitNum(total: number, unit: number): number;
 export declare const delay: (ms: number) => Promise<unknown>;
-//# sourceMappingURL=utils.d.ts.map
\ No newline at end of file
+//# sourceMappingURL=utils.d.ts.map
diff --git a/lib.esm/file/AbstractFile.d.ts b/lib.esm/file/AbstractFile.d.ts
index 71eee6e..87f3f46 100644
--- a/lib.esm/file/AbstractFile.d.ts
+++ b/lib.esm/file/AbstractFile.d.ts
@@ -1,4 +1,5 @@
-import { BytesLike } from 'ethers';
+import pkg from 'ethers';
+const { BytesLike } = pkg;
 import { MerkleTree } from './MerkleTree.js';
 import { SubmissionNodeStruct, SubmissionStruct } from '../contracts/flow/FixedPriceFlow.js';
 import { Iterator } from './Iterator/index.js';
@@ -16,4 +17,4 @@ export declare abstract class AbstractFile {
     createNode(offset: number, chunks: number): Promise<[SubmissionNodeStruct | null, Error | null]>;
     createSegmentNode(offset: number, batch: number, size: number): Promise<[SubmissionNodeStruct | null, Error | null]>;
 }
-//# sourceMappingURL=AbstractFile.d.ts.map
\ No newline at end of file
+//# sourceMappingURL=AbstractFile.d.ts.map
diff --git a/lib.esm/indexer/Indexer.d.ts b/lib.esm/indexer/Indexer.d.ts
index 62a8d1c..2064690 100644
--- a/lib.esm/indexer/Indexer.d.ts
+++ b/lib.esm/indexer/Indexer.d.ts
@@ -5,7 +5,8 @@ import { UploadOption, Uploader } from '../transfer/index.js';
 import { StorageNode } from '../node/index.js';
 import { RetryOpts } from '../types.js';
 import { AbstractFile } from '../file/AbstractFile.js';
-import { ethers } from 'ethers';
+import pkg from 'ethers';
+const { ethers } = pkg;
 export declare class Indexer extends HttpProvider {
     constructor(url: string);
     getShardedNodes(): Promise<ShardedNodes>;
@@ -16,4 +17,4 @@ export declare class Indexer extends HttpProvider {
     upload(file: AbstractFile, blockchain_rpc: string, signer: ethers.Wallet, opts?: UploadOption, retryOpts?: RetryOpts): Promise<[string, Error | null]>;
     download(rootHash: string, filePath: string, proof: boolean): Promise<Error | null>;
 }
-//# sourceMappingURL=Indexer.d.ts.map
\ No newline at end of file
+//# sourceMappingURL=Indexer.d.ts.map
diff --git a/lib.esm/kv/builder.js b/lib.esm/kv/builder.js
index efddf08..af9c309 100644
--- a/lib.esm/kv/builder.js
+++ b/lib.esm/kv/builder.js
@@ -1,4 +1,5 @@
-import { ethers } from 'ethers';
+import pkg from 'ethers';
+const { ethers } = pkg;
 import { MAX_KEY_SIZE, MAX_SET_SIZE, STREAM_DOMAIN } from './constants.js';
 import { StreamData } from './types.js';
 export class StreamDataBuilder {
@@ -128,4 +129,4 @@ export class StreamDataBuilder {
         return this.controls;
     }
 }
-//# sourceMappingURL=builder.js.map
\ No newline at end of file
+//# sourceMappingURL=builder.js.map
diff --git a/lib.esm/kv/types.js b/lib.esm/kv/types.js
index 4dc6e94..04d9d3e 100644
--- a/lib.esm/kv/types.js
+++ b/lib.esm/kv/types.js
@@ -1,4 +1,5 @@
-import { ethers } from 'ethers';
+import pkg from 'ethers';
+const { ethers } = pkg;
 var AccessControlType;
 (function (AccessControlType) {
     AccessControlType[AccessControlType["GrantAdminRole"] = 0] = "GrantAdminRole";
@@ -131,4 +132,4 @@ export class StreamData {
         return encoded;
     }
 }
-//# sourceMappingURL=types.js.map
\ No newline at end of file
+//# sourceMappingURL=types.js.map
diff --git a/lib.esm/transfer/Downloader.js b/lib.esm/transfer/Downloader.js
index ec35a33..267a082 100644
--- a/lib.esm/transfer/Downloader.js
+++ b/lib.esm/transfer/Downloader.js
@@ -1,7 +1,8 @@
 import fs from 'fs';
 import { DEFAULT_SEGMENT_MAX_CHUNKS, DEFAULT_CHUNK_SIZE } from '../constant.js';
 import { GetSplitNum, checkExist } from '../utils.js';
-import { decodeBase64 } from 'ethers';
+import pkg from 'ethers';
+const { decodeBase64 } = pkg;
 import { getShardConfigs } from './utils.js';
 export class Downloader {
     nodes;
@@ -106,4 +107,4 @@ export class Downloader {
         return null;
     }
 }
-//# sourceMappingURL=Downloader.js.map
\ No newline at end of file
+//# sourceMappingURL=Downloader.js.map
diff --git a/lib.esm/transfer/Uploader.d.ts b/lib.esm/transfer/Uploader.d.ts
index ba93f59..5072321 100644
--- a/lib.esm/transfer/Uploader.d.ts
+++ b/lib.esm/transfer/Uploader.d.ts
@@ -2,7 +2,8 @@ import { StorageNode, SegmentWithProof, FileInfo } from '../node/index.js';
 import { FixedPriceFlow } from '../contracts/flow/FixedPriceFlow.js';
 import { RetryOpts } from '../types.js';
 import { MerkleTree } from '../file/index.js';
-import { ethers } from 'ethers';
+import pkg from 'ethers';
+const { ethers } = pkg;
 import { UploadOption, UploadTask } from './types.js';
 import { AbstractFile } from '../file/AbstractFile.js';
 export declare class Uploader {
@@ -21,4 +22,4 @@ export declare class Uploader {
     getSegment(file: AbstractFile, tree: MerkleTree, segIndex: number): Promise<[boolean, SegmentWithProof | null, Error | null]>;
     uploadTask(file: AbstractFile, tree: MerkleTree, uploadTask: UploadTask): Promise<number | Error>;
 }
-//# sourceMappingURL=Uploader.d.ts.map
\ No newline at end of file
+//# sourceMappingURL=Uploader.d.ts.map
diff --git a/lib.esm/transfer/Uploader.js b/lib.esm/transfer/Uploader.js
index ba96879..fc9ec93 100644
--- a/lib.esm/transfer/Uploader.js
+++ b/lib.esm/transfer/Uploader.js
@@ -1,7 +1,8 @@
 import { DEFAULT_SEGMENT_SIZE, DEFAULT_SEGMENT_MAX_CHUNKS, DEFAULT_CHUNK_SIZE, } from '../constant.js';
 import { delay, getMarketContract } from '../utils.js';
 import { numSplits } from '../file/index.js';
-import { encodeBase64, ethers } from 'ethers';
+import pkg from 'ethers';
+const { encodeBase64, ethers } = pkg;
 import { calculatePrice, getShardConfigs } from './utils.js';
 import { checkReplica } from '../common/index.js';
 export class Uploader {
@@ -248,4 +249,4 @@ export class Uploader {
         return res;
     }
 }
-//# sourceMappingURL=Uploader.js.map
\ No newline at end of file
+//# sourceMappingURL=Uploader.js.map
diff --git a/lib.esm/transfer/types.d.ts b/lib.esm/transfer/types.d.ts
index 7afa393..5d69bc6 100644
--- a/lib.esm/transfer/types.d.ts
+++ b/lib.esm/transfer/types.d.ts
@@ -1,4 +1,5 @@
-import { ethers } from 'ethers';
+import pkg from 'ethers';
+const { ethers } = pkg;
 export interface UploadTask {
     clientIndex: number;
     taskSize: number;
@@ -15,4 +16,4 @@ export interface UploadOption {
     fee: bigint;
 }
 export declare var defaultUploadOption: UploadOption;
-//# sourceMappingURL=types.d.ts.map
\ No newline at end of file
+//# sourceMappingURL=types.d.ts.map
diff --git a/lib.esm/utils.d.ts b/lib.esm/utils.d.ts
index 1e8a841..18edb85 100644
--- a/lib.esm/utils.d.ts
+++ b/lib.esm/utils.d.ts
@@ -1,8 +1,8 @@
-import { Signer } from 'ethers';
-import { ContractRunner } from 'ethers';
+import pkg from 'ethers';
+const { Signer, ContractRunner } = pkg;
 export declare function getFlowContract(address: string, signer: Signer): import("./contracts/flow/FixedPriceFlow.js").FixedPriceFlow;
 export declare function getMarketContract(address: string, runner: ContractRunner): import("./contracts/market/FixedPrice.js").FixedPrice;
 export declare function checkExist(inputPath: string): boolean;
 export declare function GetSplitNum(total: number, unit: number): number;
 export declare const delay: (ms: number) => Promise<unknown>;
-//# sourceMappingURL=utils.d.ts.map
\ No newline at end of file
+//# sourceMappingURL=utils.d.ts.map
diff --git a/src.ts/file/AbstractFile.ts b/src.ts/file/AbstractFile.ts
index b31d387..e73f23e 100644
--- a/src.ts/file/AbstractFile.ts
+++ b/src.ts/file/AbstractFile.ts
@@ -1,4 +1,5 @@
-import { BytesLike } from 'ethers'
+import pkg from 'ethers';
+const { BytesLike } = pkg;
 import { MerkleTree } from './MerkleTree.js'
 import {
     SubmissionNodeStruct,
diff --git a/src.ts/indexer/Indexer.ts b/src.ts/indexer/Indexer.ts
index 5190bff..9c465ef 100644
--- a/src.ts/indexer/Indexer.ts
+++ b/src.ts/indexer/Indexer.ts
@@ -5,7 +5,8 @@ import { UploadOption, Uploader, Downloader } from '../transfer/index.js'
 import { StorageNode } from '../node/index.js'
 import { RetryOpts } from '../types.js'
 import { AbstractFile } from '../file/AbstractFile.js'
-import { ethers } from 'ethers'
+import pkg from 'ethers';
+const { ethers } = pkg;
 import { getFlowContract } from '../utils.js'
 
 export class Indexer extends HttpProvider {
diff --git a/src.ts/kv/builder.ts b/src.ts/kv/builder.ts
index cba7368..0dc8bbb 100644
--- a/src.ts/kv/builder.ts
+++ b/src.ts/kv/builder.ts
@@ -1,4 +1,5 @@
-import { ethers } from 'ethers'
+import pkg from 'ethers';
+const { ethers } = pkg;
 import { MAX_KEY_SIZE, MAX_SET_SIZE, STREAM_DOMAIN } from './constants.js'
 import { AccessControl, StreamData } from './types.js'
 import { Bytes } from '@ethersproject/bytes'
diff --git a/src.ts/kv/types.ts b/src.ts/kv/types.ts
index 686e88a..e9c975f 100644
--- a/src.ts/kv/types.ts
+++ b/src.ts/kv/types.ts
@@ -1,5 +1,5 @@
-import { ethers } from 'ethers'
-
+import pkg from 'ethers';
+const { ethers } = pkg;
 // Assuming common.Hash and common.Address are hex strings
 type Hash = string
 type Address = string
diff --git a/src.ts/transfer/Downloader.ts b/src.ts/transfer/Downloader.ts
index e9d5be1..62fe7bb 100644
--- a/src.ts/transfer/Downloader.ts
+++ b/src.ts/transfer/Downloader.ts
@@ -2,7 +2,8 @@ import fs from 'fs'
 import { DEFAULT_SEGMENT_MAX_CHUNKS, DEFAULT_CHUNK_SIZE } from '../constant.js'
 import { GetSplitNum, checkExist } from '../utils.js'
 import { StorageNode, Segment, FileInfo } from '../node/index.js'
-import { decodeBase64 } from 'ethers'
+import pkg from 'ethers';
+const { decodeBase64 } = pkg;
 import { Hash } from '../types.js'
 import { getShardConfigs } from './utils.js'
 import { ShardConfig } from '../common/index.js'
diff --git a/src.ts/transfer/Uploader.ts b/src.ts/transfer/Uploader.ts
index 40101d4..a492373 100644
--- a/src.ts/transfer/Uploader.ts
+++ b/src.ts/transfer/Uploader.ts
@@ -8,7 +8,8 @@ import { FixedPriceFlow } from '../contracts/flow/FixedPriceFlow.js'
 import { delay, getMarketContract } from '../utils.js'
 import { RetryOpts } from '../types.js'
 import { MerkleTree, numSplits } from '../file/index.js'
-import { encodeBase64, ethers } from 'ethers'
+import pkg from 'ethers';
+const { encodeBase64, ethers } = pkg;
 import { calculatePrice, getShardConfigs } from './utils.js'
 import { UploadOption, UploadTask } from './types.js'
 import { AbstractFile } from '../file/AbstractFile.js'
diff --git a/src.ts/transfer/types.ts b/src.ts/transfer/types.ts
index 52ed857..8341b24 100644
--- a/src.ts/transfer/types.ts
+++ b/src.ts/transfer/types.ts
@@ -1,4 +1,5 @@
-import { ethers } from 'ethers'
+import pkg from 'ethers';
+const { ethers } = pkg;
 
 export interface UploadTask {
     clientIndex: number
diff --git a/src.ts/utils.ts b/src.ts/utils.ts
index d6b65ee..a8de865 100644
--- a/src.ts/utils.ts
+++ b/src.ts/utils.ts
@@ -1,9 +1,9 @@
-import { Signer } from 'ethers'
 import { FixedPriceFlow__factory } from './contracts/flow/index.js'
 import { FixedPrice__factory } from './contracts/market/index.js'
 import fs from 'fs'
 import path from 'path'
-import { ContractRunner } from 'ethers'
+import pkg from 'ethers';
+const { Signer, ContractRunner } = pkg;
 
 export function getFlowContract(address: string, signer: Signer) {
     return FixedPriceFlow__factory.connect(address, signer)
diff --git a/types/file/AbstractFile.d.ts b/types/file/AbstractFile.d.ts
index 71eee6e..87f3f46 100644
--- a/types/file/AbstractFile.d.ts
+++ b/types/file/AbstractFile.d.ts
@@ -1,4 +1,5 @@
-import { BytesLike } from 'ethers';
+import pkg from 'ethers';
+const { BytesLike } = pkg;
 import { MerkleTree } from './MerkleTree.js';
 import { SubmissionNodeStruct, SubmissionStruct } from '../contracts/flow/FixedPriceFlow.js';
 import { Iterator } from './Iterator/index.js';
@@ -16,4 +17,4 @@ export declare abstract class AbstractFile {
     createNode(offset: number, chunks: number): Promise<[SubmissionNodeStruct | null, Error | null]>;
     createSegmentNode(offset: number, batch: number, size: number): Promise<[SubmissionNodeStruct | null, Error | null]>;
 }
-//# sourceMappingURL=AbstractFile.d.ts.map
\ No newline at end of file
+//# sourceMappingURL=AbstractFile.d.ts.map
diff --git a/types/indexer/Indexer.d.ts b/types/indexer/Indexer.d.ts
index 62a8d1c..2064690 100644
--- a/types/indexer/Indexer.d.ts
+++ b/types/indexer/Indexer.d.ts
@@ -5,7 +5,8 @@ import { UploadOption, Uploader } from '../transfer/index.js';
 import { StorageNode } from '../node/index.js';
 import { RetryOpts } from '../types.js';
 import { AbstractFile } from '../file/AbstractFile.js';
-import { ethers } from 'ethers';
+import pkg from 'ethers';
+const { ethers } = pkg;
 export declare class Indexer extends HttpProvider {
     constructor(url: string);
     getShardedNodes(): Promise<ShardedNodes>;
@@ -16,4 +17,4 @@ export declare class Indexer extends HttpProvider {
     upload(file: AbstractFile, blockchain_rpc: string, signer: ethers.Wallet, opts?: UploadOption, retryOpts?: RetryOpts): Promise<[string, Error | null]>;
     download(rootHash: string, filePath: string, proof: boolean): Promise<Error | null>;
 }
-//# sourceMappingURL=Indexer.d.ts.map
\ No newline at end of file
+//# sourceMappingURL=Indexer.d.ts.map
diff --git a/types/transfer/Uploader.d.ts b/types/transfer/Uploader.d.ts
index ba93f59..5072321 100644
--- a/types/transfer/Uploader.d.ts
+++ b/types/transfer/Uploader.d.ts
@@ -2,7 +2,8 @@ import { StorageNode, SegmentWithProof, FileInfo } from '../node/index.js';
 import { FixedPriceFlow } from '../contracts/flow/FixedPriceFlow.js';
 import { RetryOpts } from '../types.js';
 import { MerkleTree } from '../file/index.js';
-import { ethers } from 'ethers';
+import pkg from 'ethers';
+const { ethers } = pkg;
 import { UploadOption, UploadTask } from './types.js';
 import { AbstractFile } from '../file/AbstractFile.js';
 export declare class Uploader {
@@ -21,4 +22,4 @@ export declare class Uploader {
     getSegment(file: AbstractFile, tree: MerkleTree, segIndex: number): Promise<[boolean, SegmentWithProof | null, Error | null]>;
     uploadTask(file: AbstractFile, tree: MerkleTree, uploadTask: UploadTask): Promise<number | Error>;
 }
-//# sourceMappingURL=Uploader.d.ts.map
\ No newline at end of file
+//# sourceMappingURL=Uploader.d.ts.map
diff --git a/types/transfer/types.d.ts b/types/transfer/types.d.ts
index 7afa393..5d69bc6 100644
--- a/types/transfer/types.d.ts
+++ b/types/transfer/types.d.ts
@@ -1,4 +1,5 @@
-import { ethers } from 'ethers';
+import pkg from 'ethers';
+const { ethers } = pkg;
 export interface UploadTask {
     clientIndex: number;
     taskSize: number;
@@ -15,4 +16,4 @@ export interface UploadOption {
     fee: bigint;
 }
 export declare var defaultUploadOption: UploadOption;
-//# sourceMappingURL=types.d.ts.map
\ No newline at end of file
+//# sourceMappingURL=types.d.ts.map
diff --git a/types/utils.d.ts b/types/utils.d.ts
index 1e8a841..18edb85 100644
--- a/types/utils.d.ts
+++ b/types/utils.d.ts
@@ -1,8 +1,8 @@
-import { Signer } from 'ethers';
-import { ContractRunner } from 'ethers';
+import pkg from 'ethers';
+const { Signer, ContractRunner } = pkg;
 export declare function getFlowContract(address: string, signer: Signer): import("./contracts/flow/FixedPriceFlow.js").FixedPriceFlow;
 export declare function getMarketContract(address: string, runner: ContractRunner): import("./contracts/market/FixedPrice.js").FixedPrice;
 export declare function checkExist(inputPath: string): boolean;
 export declare function GetSplitNum(total: number, unit: number): number;
 export declare const delay: (ms: number) => Promise<unknown>;
-//# sourceMappingURL=utils.d.ts.map
\ No newline at end of file
+//# sourceMappingURL=utils.d.ts.map