diff --git a/.changeset/cold-eggs-film.md b/.changeset/cold-eggs-film.md
new file mode 100644
index 00000000..5ebd45f4
--- /dev/null
+++ b/.changeset/cold-eggs-film.md
@@ -0,0 +1,6 @@
+---
+'@blocto/sdk': patch
+---
+
+fix story tesnet url, fix multiple chain setting, update polygon url  
+
diff --git a/.changeset/pre.json b/.changeset/pre.json
index 2208367f..cd19cf99 100644
--- a/.changeset/pre.json
+++ b/.changeset/pre.json
@@ -2,18 +2,19 @@
   "mode": "exit",
   "tag": "beta",
   "initialVersions": {
-    "@blocto/aptos-wallet-adapter-plugin": "0.2.10",
+    "@blocto/aptos-wallet-adapter-plugin": "0.2.11-beta.0",
     "@blocto/connectkit-connector": "0.2.3",
-    "@blocto/rainbowkit-connector": "2.0.2",
-    "@blocto/wagmi-connector": "2.0.4",
-    "@blocto/web3-react-connector": "1.0.8",
+    "@blocto/rainbowkit-connector": "2.0.3-beta.0",
+    "@blocto/wagmi-connector": "2.0.5-beta.0",
+    "@blocto/web3-react-connector": "1.0.9-beta.0",
     "@blocto/web3modal-connector": "0.1.4",
-    "@blocto/sdk": "0.10.3",
+    "@blocto/sdk": "0.10.4-beta.1",
     "@blocto/dappauth": "2.2.2",
     "eslint-config-custom": "0.0.0",
     "tsconfig": "0.0.0"
   },
   "changesets": [
-    "nasty-cats-greet"
+    "nasty-cats-greet",
+    "yellow-rockets-judge"
   ]
 }
diff --git a/.changeset/yellow-rockets-judge.md b/.changeset/yellow-rockets-judge.md
new file mode 100644
index 00000000..dde02575
--- /dev/null
+++ b/.changeset/yellow-rockets-judge.md
@@ -0,0 +1,5 @@
+---
+'@blocto/sdk': patch
+---
+
+fix multiple chain setting
diff --git a/packages/blocto-sdk/CHANGELOG.md b/packages/blocto-sdk/CHANGELOG.md
index 73165fd6..3923f866 100644
--- a/packages/blocto-sdk/CHANGELOG.md
+++ b/packages/blocto-sdk/CHANGELOG.md
@@ -1,5 +1,11 @@
 # @blocto/sdk
 
+## 0.10.4-beta.1
+
+### Patch Changes
+
+- 2e2164e: fix multiple chain setting
+
 ## 0.10.4-beta.0
 
 ### Patch Changes
diff --git a/packages/blocto-sdk/jest.config.cjs b/packages/blocto-sdk/jest.config.cjs
index 0513f8c4..8811ab71 100644
--- a/packages/blocto-sdk/jest.config.cjs
+++ b/packages/blocto-sdk/jest.config.cjs
@@ -6,7 +6,7 @@ module.exports = {
     '^.+\\.(ts|tsx)?$': 'ts-jest',
     '^.+\\.(js|jsx)$': 'babel-jest',
   },
-  transformIgnorePatterns: ['node_modules/(?!variables/.*)'],
+  testPathIgnorePatterns: ['node_modules/(?!variables/.*)', '/fixtures/', '\\.d\\.ts$'],
   automock: false,
   resetMocks: false,
 };
diff --git a/packages/blocto-sdk/package.json b/packages/blocto-sdk/package.json
index 4b5d601a..568fda8c 100644
--- a/packages/blocto-sdk/package.json
+++ b/packages/blocto-sdk/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@blocto/sdk",
-  "version": "0.10.4-beta.0",
+  "version": "0.10.4-beta.1",
   "repository": "git@github.com:portto/blocto-sdk.git",
   "author": "Chiaki.C",
   "license": "MIT",
diff --git a/packages/blocto-sdk/src/__tests__/ethereum.test.ts b/packages/blocto-sdk/src/__tests__/ethereum.test.ts
new file mode 100644
index 00000000..5d2e030c
--- /dev/null
+++ b/packages/blocto-sdk/src/__tests__/ethereum.test.ts
@@ -0,0 +1,132 @@
+import EthereumProvider from '../providers/ethereum';
+import { getEvmSupport } from '../lib/getEvmSupport';
+import { getEvmSupportList } from './fixtures/getEvmSupport';
+jest.mock('../lib/getEvmSupport');
+
+describe('Testing BloctoSDK ethereum provider initialization and network loading', () => {
+  beforeEach(() => {
+    (getEvmSupport as jest.Mock).mockResolvedValue(getEvmSupportList);
+  });
+
+  test('should initialize with unloadedNetwork', () => {
+    const ethereumWithSwitchable = new EthereumProvider({
+      defaultChainId: '0xaa36a7',
+      switchableChains: [
+        {
+          chainId: '0xaa36a7',
+          rpcUrls: ['https://ethereum-sepolia.blockpi.network/v1/rpc/public'],
+        },
+        {
+          chainId: '0x61',
+          rpcUrls: ['https://data-seed-prebsc-1-s1.binance.org:8545'],
+        },
+      ],
+    });
+
+    expect(ethereumWithSwitchable['_blocto'].unloadedNetwork).toBeDefined();
+    expect(
+      ethereumWithSwitchable['_blocto']?.unloadedNetwork?.[0].chainId
+    ).toBe('0xaa36a7');
+    expect(
+      ethereumWithSwitchable['_blocto']?.unloadedNetwork?.[1].chainId
+    ).toBe('0x61');
+    expect(ethereumWithSwitchable['_blocto'].unloadedNetwork?.length).toBe(2);
+  });
+
+  test('get support chain list', async () => {
+    const ethereum = new EthereumProvider({
+      chainId: '0xaa36a7',
+      rpc: 'https://ethereum-sepolia.blockpi.network/v1/rpc/public',
+    });
+    const supportedChains = await ethereum.supportChainList();
+    expect(supportedChains).toContainEqual({
+      chainId: '11155111',
+      chainName: 'Sepolia',
+    });
+  });
+
+  test('should add chain and switch to it', async () => {
+    const ethereum = new EthereumProvider({
+      chainId: '0xaa36a7',
+      rpc: 'https://ethereum-sepolia.blockpi.network/v1/rpc/public',
+    });
+    await expect(
+      ethereum.request({
+        method: 'wallet_switchEthereumChain',
+        params: [{ chainId: '0x61' }],
+      })
+    ).rejects.toThrow(
+      'Unrecognized chain ID "97". Try adding the chain using wallet_addEthereumChain first.'
+    );
+
+    await ethereum.request({
+      method: 'wallet_addEthereumChain',
+      params: [
+        {
+          chainId: '0x61',
+          rpcUrls: ['https://data-seed-prebsc-1-s1.binance.org:8545'],
+        },
+      ],
+    });
+    await ethereum.request({
+      method: 'wallet_switchEthereumChain',
+      params: [{ chainId: '0x61' }],
+    });
+    expect(ethereum.chainId).toBe('0x61');
+  });
+
+  test('create sdk instance with switchableChains and switch to it', async () => {
+    const ethereum = new EthereumProvider({
+      defaultChainId: '0xaa36a7',
+      switchableChains: [
+        {
+          chainId: '0xaa36a7',
+          rpcUrls: ['https://ethereum-sepolia.blockpi.network/v1/rpc/public'],
+        },
+        {
+          chainId: '0x61',
+          rpcUrls: ['https://data-seed-prebsc-1-s1.binance.org:8545'],
+        },
+      ],
+    });
+    await ethereum.request({
+      method: 'wallet_switchEthereumChain',
+      params: [{ chainId: '0x61' }],
+    });
+    expect(ethereum.chainId).toBe('0x61');
+  });
+  test('create sdk instance with switchableChains and call eth_accounts', async () => {
+    const ethereum = new EthereumProvider({
+      defaultChainId: '0xaa36a7',
+      switchableChains: [
+        {
+          chainId: '0xaa36a7',
+          rpcUrls: ['https://ethereum-sepolia.blockpi.network/v1/rpc/public'],
+        },
+        {
+          chainId: '0x61',
+          rpcUrls: ['https://data-seed-prebsc-1-s1.binance.org:8545'],
+        },
+      ],
+    });
+    // Trigger the loading of switchable networks
+    await ethereum.request({
+      method: 'eth_accounts',
+    });
+    expect(ethereum.chainId).toBe('0xaa36a7');
+    // should remove unloadedNetwork after loading
+    expect(ethereum['_blocto'].unloadedNetwork).toBeUndefined();
+  });
+
+    test('should not call loadSwitchableNetwork if unloadedNetwork is empty', async () => {
+        const ethereum = new EthereumProvider({
+            chainId: '0xaa36a7',
+            rpc: 'https://ethereum-sepolia.blockpi.network/v1/rpc/public',
+      });
+      const loadSwitchableNetworkSpy = jest.spyOn(ethereum, 'loadSwitchableNetwork');
+
+    await ethereum.request({ method: 'eth_accounts' });
+
+    expect(loadSwitchableNetworkSpy).not.toHaveBeenCalled();
+  });
+});
diff --git a/packages/blocto-sdk/src/__tests__/fixtures/getEvmSupport.ts b/packages/blocto-sdk/src/__tests__/fixtures/getEvmSupport.ts
new file mode 100644
index 00000000..97a6066e
--- /dev/null
+++ b/packages/blocto-sdk/src/__tests__/fixtures/getEvmSupport.ts
@@ -0,0 +1,312 @@
+export const getEvmSupportList = {
+  '1': {
+    chain_id: 1,
+    name: 'ethereum',
+    display_name: 'Ethereum',
+    network_type: 'mainnet',
+    blocto_service_environment: 'prod',
+    rpc_endpoint_domains: [
+      'mainnet.infura.io',
+      'rpc.ankr.com',
+      'cloudflare-eth.com',
+    ],
+  },
+  '5': {
+    chain_id: 5,
+    name: 'ethereum',
+    display_name: 'Goerli',
+    network_type: 'testnet',
+    blocto_service_environment: 'dev',
+    rpc_endpoint_domains: [
+      'goerli.infura.io',
+      'goerli.blockpi.network',
+      'rpc.ankr.com',
+    ],
+  },
+  '10': {
+    chain_id: 10,
+    name: 'optimism',
+    display_name: 'Optimism',
+    network_type: 'mainnet',
+    blocto_service_environment: 'prod',
+    rpc_endpoint_domains: [
+      'optimism-mainnet.infura.io',
+      'mainnet.optimism.io',
+      'opt-mainnet.g.alchemy.com',
+      'optimism.blockpi.network',
+      'rpc.ankr.com',
+    ],
+  },
+  '56': {
+    chain_id: 56,
+    name: 'bsc',
+    display_name: 'BNB Smart Chain',
+    network_type: 'mainnet',
+    blocto_service_environment: 'prod',
+    rpc_endpoint_domains: [
+      'bsc-dataseed.binance.org',
+      'bsc-dataseed1.binance.org',
+      'bsc-dataseed2.binance.org',
+      'bsc-dataseed3.binance.org',
+      'bsc-dataseed4.binance.org',
+      'bsc-dataseed1.defibit.io',
+      'bsc-dataseed2.defibit.io',
+      'bsc-dataseed3.defibit.io',
+      'bsc-dataseed4.defibit.io',
+      'bsc-dataseed1.ninicoin.io',
+      'bsc-dataseed2.ninicoin.io',
+      'bsc-dataseed3.ninicoin.io',
+      'bsc-dataseed4.ninicoin.io',
+      'rpc.ankr.com',
+    ],
+  },
+  '97': {
+    chain_id: 97,
+    name: 'bsc',
+    display_name: 'BNB Smart Chain Testnet',
+    network_type: 'testnet',
+    blocto_service_environment: 'dev',
+    rpc_endpoint_domains: [
+      'data-seed-prebsc-1-s1.binance.org',
+      'data-seed-prebsc-2-s1.binance.org',
+      'data-seed-prebsc-1-s2.binance.org',
+      'data-seed-prebsc-2-s2.binance.org',
+      'data-seed-prebsc-1-s3.binance.org',
+      'data-seed-prebsc-2-s3.binance.org',
+      'rpc.ankr.com',
+    ],
+  },
+  '137': {
+    chain_id: 137,
+    name: 'polygon',
+    display_name: 'Polygon',
+    network_type: 'mainnet',
+    blocto_service_environment: 'prod',
+    rpc_endpoint_domains: [
+      'polygon-mainnet.infura.io',
+      'rpc.ankr.com',
+      'polygon-rpc.com',
+      'rpc-mainnet.maticvigil.com',
+    ],
+  },
+  '4200': {
+    chain_id: 4200,
+    name: 'merlin',
+    display_name: 'Merlin',
+    network_type: 'mainnet',
+    blocto_service_environment: 'prod',
+    rpc_endpoint_domains: ['rpc.merlinchain.io', 'merlin.blockpi.network'],
+  },
+  '8453': {
+    chain_id: 8453,
+    name: 'base',
+    display_name: 'Base',
+    network_type: 'mainnet',
+    blocto_service_environment: 'prod',
+    rpc_endpoint_domains: [
+      'base-mainnet.infura.io',
+      'base-mainnet.g.alchemy.com',
+      'mainnet.base.org',
+      'rpc.ankr.com',
+      'base.blockpi.network',
+      '1rpc.io',
+    ],
+  },
+  '42161': {
+    chain_id: 42161,
+    name: 'arbitrum',
+    display_name: 'Arbitrum',
+    network_type: 'mainnet',
+    blocto_service_environment: 'prod',
+    rpc_endpoint_domains: [
+      'arbitrum-mainnet.infura.io',
+      'arb1.arbitrum.io',
+      'arb-mainnet.g.alchemy.com',
+      'arbitrum.blockpi.network',
+      'rpc.ankr.com',
+    ],
+  },
+  '43113': {
+    chain_id: 43113,
+    name: 'avalanche',
+    display_name: 'Avalanche Fuji',
+    network_type: 'testnet',
+    blocto_service_environment: 'dev',
+    rpc_endpoint_domains: [
+      'api.avax-test.network',
+      'avalanche-fuji.infura.io',
+      'rpc.ankr.com',
+      'ava-testnet.public.blastapi.io',
+    ],
+  },
+  '43114': {
+    chain_id: 43114,
+    name: 'avalanche',
+    display_name: 'Avalanche',
+    network_type: 'mainnet',
+    blocto_service_environment: 'prod',
+    rpc_endpoint_domains: [
+      'api.avax.network',
+      'avalanche-mainnet.infura.io',
+      'rpc.ankr.com',
+      'ava-mainnet.public.blastapi.io',
+      'snowtrace.io',
+    ],
+  },
+  '80002': {
+    chain_id: 80002,
+    name: 'polygon_amoy',
+    display_name: 'Amoy Testnet',
+    network_type: 'testnet',
+    blocto_service_environment: 'dev',
+    rpc_endpoint_domains: ['rpc-amoy.polygon.technology', 'rpc.ankr.com'],
+  },
+  '81457': {
+    chain_id: 81457,
+    name: 'blast',
+    display_name: 'Blast',
+    network_type: 'mainnet',
+    blocto_service_environment: 'prod',
+    rpc_endpoint_domains: [
+      'rpc.blast.io',
+      'rpc.ankr.com',
+      'blast.din.dev',
+      'blastl2-mainnet.public.blastapi.io',
+      'blast.blockpi.network',
+    ],
+  },
+  '84532': {
+    chain_id: 84532,
+    name: 'base_sepolia',
+    display_name: 'Base Sepolia',
+    network_type: 'testnet',
+    blocto_service_environment: 'dev',
+    rpc_endpoint_domains: [
+      'sepolia.base.org',
+      'base-sepolia.blockpi.network',
+      'base-sepolia.g.alchemy.com',
+      'base-sepolia.infura.io',
+      'rpc.ankr.com',
+      '1rpc.io',
+    ],
+  },
+  '421614': {
+    chain_id: 421614,
+    name: 'arbitrum_sepolia',
+    display_name: 'Arbitrum Sepolia',
+    network_type: 'testnet',
+    blocto_service_environment: 'dev',
+    rpc_endpoint_domains: [
+      'sepolia-rollup.arbitrum.io/rpc',
+      'arbitrum-sepolia.infura.io',
+      'arb-sepolia.g.alchemy.com',
+      'rpc.ankr.com',
+    ],
+  },
+  '534351': {
+    chain_id: 534351,
+    name: 'scroll_sepolia',
+    display_name: 'Scroll Sepolia',
+    network_type: 'testnet',
+    blocto_service_environment: 'dev',
+    rpc_endpoint_domains: [
+      'sepolia-rpc.scroll.io',
+      'scroll-testnet-public.unifra.io',
+      'scroll-sepolia.blockpi.network',
+      'rpc.ankr.com',
+      'scroll-sepolia.chainstacklabs.com',
+      'scroll-public.scroll-testnet.quiknode.pro',
+    ],
+  },
+  '534352': {
+    chain_id: 534352,
+    name: 'scroll',
+    display_name: 'Scroll',
+    network_type: 'mainnet',
+    blocto_service_environment: 'prod',
+    rpc_endpoint_domains: [
+      'rpc.scroll.io',
+      'rpc.ankr.com',
+      'rpc-scroll.icecreamswap.com',
+      'scroll-mainnet.public.blastapi.io',
+      'scroll-mainnet-public.unifra.io',
+      'scroll.blockpi.network',
+      '1rpc.io',
+      'scroll-mainnet.chainstacklabs.com',
+    ],
+  },
+  '686868': {
+    chain_id: 686868,
+    name: 'merlin_testnet',
+    display_name: 'Merlin Testnet',
+    network_type: 'testnet',
+    blocto_service_environment: 'dev',
+    rpc_endpoint_domains: ['testnet-rpc.merlinchain.io'],
+  },
+  '1261120': {
+    chain_id: 1261120,
+    name: 'zkatana_sepolia',
+    display_name: 'Astar zKatana',
+    network_type: 'testnet',
+    blocto_service_environment: 'dev',
+    rpc_endpoint_domains: [
+      'rpc.startale.com/zkatana',
+      'rpc.zkatana.gelato.digital',
+      'astar-zkatana-rpc.dwellir.com',
+    ],
+  },
+  '7777777': {
+    chain_id: 7777777,
+    name: 'zora',
+    display_name: 'Zora',
+    network_type: 'mainnet',
+    blocto_service_environment: 'prod',
+    rpc_endpoint_domains: ['rpc.zora.energy'],
+  },
+  '11155111': {
+    chain_id: 11155111,
+    name: 'ethereum_sepolia',
+    display_name: 'Sepolia',
+    network_type: 'testnet',
+    blocto_service_environment: 'dev',
+    rpc_endpoint_domains: [
+      'sepolia.infura.io',
+      'rpc.sepolia.dev',
+      'rpc.sepolia.org',
+      'rpc.sepolia.online',
+      'www.sepoliarpc.space',
+      'rpc-sepolia.rockx.com',
+      'rpc.bordel.wtf/sepolia',
+    ],
+  },
+  '11155420': {
+    chain_id: 11155420,
+    name: 'optimism_sepolia',
+    display_name: 'Optimism Sepolia',
+    network_type: 'testnet',
+    blocto_service_environment: 'dev',
+    rpc_endpoint_domains: [
+      'optimism-sepolia.infura.io',
+      'rpc.ankr.com',
+      'sepolia.optimism.io',
+      'opt-sepolia.g.alchemy.com',
+      'optimism-sepolia.blockpi.network',
+    ],
+  },
+  '168587773': {
+    chain_id: 168587773,
+    name: 'blast_sepolia',
+    display_name: 'Blast Sepolia',
+    network_type: 'testnet',
+    blocto_service_environment: 'dev',
+    rpc_endpoint_domains: ['sepolia.blast.io', 'blast-sepolia.blockpi.network'],
+  },
+  '999999999': {
+    chain_id: 999999999,
+    name: 'zora_sepolia',
+    display_name: 'Zora Sepolia',
+    network_type: 'testnet',
+    blocto_service_environment: 'dev',
+    rpc_endpoint_domains: ['sepolia.rpc.zora.energy'],
+  },
+};
diff --git a/packages/blocto-sdk/src/__tests__/index.test.js b/packages/blocto-sdk/src/__tests__/index.test.js
index 045f12b0..bd16ae9b 100644
--- a/packages/blocto-sdk/src/__tests__/index.test.js
+++ b/packages/blocto-sdk/src/__tests__/index.test.js
@@ -85,9 +85,15 @@ describe('Testing BloctoSDK ethereum provider', () => {
     expect(ethereum.rpc).toBe('https://bsc-dataseed.binance.org');
   });
   test('should setup _blocto', async () => {
-    await ethereum.loadSwitchableNetwork([
-      { chainId: '0x5', rpcUrls: ['https://goerli.infura.io/v3/'] },
-    ]);
+    await ethereum.request({
+      method:"eth_addEthereumChain",
+      params: [
+        {
+          chainId: '0xaa36a7',
+          rpcUrls: ['https://ethereum-sepolia.blockpi.network/v1/rpc/public']
+        }
+      ]
+    });
     expect(ethereum._blocto.networkType).toBe('mainnet');
   });
   test('should request chainId work', async () => {
diff --git a/packages/blocto-sdk/src/constants.ts b/packages/blocto-sdk/src/constants.ts
index 5cf414e9..b9880cfb 100644
--- a/packages/blocto-sdk/src/constants.ts
+++ b/packages/blocto-sdk/src/constants.ts
@@ -26,7 +26,7 @@ export const ETH_RPC_LIST: Mapping = {
   97: 'https://data-seed-prebsc-1-s1.binance.org:8545',
 
   // Polygon Mainnet
-  137: 'https://rpc-mainnet.maticvigil.com/',
+  137: 'https://polygon-rpc.com/',
   // Polygon Amoy Testnet
   80002: 'https://rpc-amoy.polygon.technology/',
 
@@ -77,7 +77,7 @@ export const ETH_RPC_LIST: Mapping = {
   686868: 'https://testnet-rpc.merlinchain.io',
 
   // Story Testnet
-  1513: 'https://testnet.storyrpc.io/',
+  1513: 'https://testnet.storyrpc.io',
 };
 
 export const ETH_ENV_WALLET_SERVER_MAPPING: Mapping = {
diff --git a/packages/blocto-sdk/src/providers/ethereum.ts b/packages/blocto-sdk/src/providers/ethereum.ts
index 3f95e2c2..76edcb38 100644
--- a/packages/blocto-sdk/src/providers/ethereum.ts
+++ b/packages/blocto-sdk/src/providers/ethereum.ts
@@ -180,7 +180,6 @@ export default class EthereumProvider
     chainId: `${number}`;
     rpcUrls: string[];
   }): Promise<void> {
-    await this.#getBloctoProperties();
     const supportNetworkList = await getEvmSupport().catch((e) => {
       throw ethErrors.provider.custom({
         code: 1001,
@@ -1041,7 +1040,23 @@ export default class EthereumProvider
       listener(ethErrors.provider.disconnected())
     );
   }
-
+  /**
+   * @internal This method is internal and will be removed in future versions.
+   * Please use request({method: "wallet_addEthereumChain"}) instead to add new networks.
+   * 
+   * @example
+   * // Instead of using loadSwitchableNetwork, use:
+   * await provider.request({
+   *   method: 'wallet_addEthereumChain',
+   *   params: [{
+   *     chainId: '0xaa36a7',
+   *     rpcUrls: ['https://ethereum-sepolia.blockpi.network/v1/rpc/public'],
+   *   }]
+   * });
+   * 
+   * @param networkList - List of networks to add
+   * @returns Promise<null>
+   */
   async loadSwitchableNetwork(
     networkList: AddEthereumChainParameter[]
   ): Promise<null> {