diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4528e8a..69cf99f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,11 @@
 # Changelog
+## [1.12.0](https://github.com/nftscan-official/nftscan-api-js-sdk/compare/v1.11.0...v1.12.0) (2023-12-18)
+
+
+### ✨ Features | 新功能
+
+* add interface `getChainOverview` ([913e81d](https://github.com/nftscan-official/nftscan-api-js-sdk/commit/913e81df178c0319978f24b100d71a5760d8ddf0))
+
 ## [1.11.0](https://github.com/nftscan-official/nftscan-api-js-sdk/compare/v1.10.0...v1.11.0) (2023-12-04)
 
 
diff --git a/package.json b/package.json
index b97a534..159ce5b 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "nftscan-api",
-  "version": "1.11.0",
+  "version": "1.12.0",
   "description": "js/ts SDK for NFTScan APIs",
   "main": "dist/cjs/index.js",
   "main-es": "dist/es/index.js",
diff --git a/src/api/evm/statistic/index.ts b/src/api/evm/statistic/index.ts
index 1528b4c..aa0b53c 100644
--- a/src/api/evm/statistic/index.ts
+++ b/src/api/evm/statistic/index.ts
@@ -9,6 +9,7 @@ import {
 import {
   AccountHoldingDistributionResponse,
   AccountHoldingTrendingResponse,
+  ChainOverviewResponse,
   CollectionBlueChipListResponse,
   CollectionHoldingDistributionResponse,
   CollectionOverviewResponse,
@@ -476,4 +477,17 @@ export default class NftscanEvmStatistic extends BaseApi<NftscanConfig> {
       { distribution_type: trendingType },
     );
   }
+
+  /**
+   * Chain Overview
+   * - This endpoint returns the current chain overview data referring to NFTScan Overview({@link https://eth.nftscan.com/}).
+   * - details: {@link https://docs.nftscan.com/reference/evm/chain-overview}
+   * @returns Promise<{@link ChainOverviewResponse}>
+   */
+  getChainOverview(): Promise<ChainOverviewResponse> {
+    return nftscanGet<NsObject, ChainOverviewResponse>(
+      this.config,
+      `${NftscanConst.API.evm.statistic.getChainOverview}`,
+    );
+  }
 }
diff --git a/src/index.ts b/src/index.ts
index 1f4655b..ca64098 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,8 +1,6 @@
 import NftscanEvm from './api/evm/nftscan-evm';
 import NftscanSolana from './api/solana/nftscan-solana';
-import NftscanInit from './util/nftscan.init';
-
-NftscanInit.onCreate();
+import './util/nftscan.init';
 
 export * from './types/index';
 export { NftscanEvm, NftscanSolana };
diff --git a/src/types/evm/statistic/response-data.ts b/src/types/evm/statistic/response-data.ts
index 1266e7e..d6468a7 100644
--- a/src/types/evm/statistic/response-data.ts
+++ b/src/types/evm/statistic/response-data.ts
@@ -1102,3 +1102,58 @@ export interface AccountHoldingTrendingResponse {
    */
   value: number;
 }
+
+/**
+ * The response data of EVM API 'getChainOverview'
+ */
+export interface ChainOverviewResponse {
+  /**
+   * The 24-hour total number of assets
+   */
+  asset_24h: number;
+
+  /**
+   * The total number of assets
+   */
+  asset_total: number;
+
+  /**
+   * The 24-hour total number of contracts
+   */
+  contract_24h: number;
+
+  /**
+   * The total number of contracts
+   */
+  contract_total: number;
+
+  /**
+   * The 24-hour total number of transactions
+   */
+  transfer_24h: number;
+
+  /**
+   * The total number of transactions
+   */
+  transfer_total: number;
+
+  /**
+   * The 24-hour total volume on the NFT Marketplaces
+   */
+  volume_24h: number;
+
+  /**
+   * The total volume on the NFT Marketplaces
+   */
+  volume_total: number;
+
+  /**
+   * The 1-day total number of wallet addresses
+   */
+  wallet_address_1d: number;
+
+  /**
+   * The total number of wallet addresses
+   */
+  wallet_address_total: number;
+}
diff --git a/src/util/nftscan.const.ts b/src/util/nftscan.const.ts
index 7310b35..98a60f1 100644
--- a/src/util/nftscan.const.ts
+++ b/src/util/nftscan.const.ts
@@ -73,6 +73,7 @@ export default class NftscanConst {
         getCollectionBlueChipList: '/v2/statistics/blue/chip/list',
         getAccountHoldingDistribution: '/v2/statistics/distribution/',
         getAccountHoldingTrending: '/v2/statistics/holding/trending/',
+        getChainOverview: '/v2/statistics/chain/overview',
       },
       refresh: {
         refreshAsset: '/v2/refresh/metadata',
diff --git a/src/util/nftscan.init.ts b/src/util/nftscan.init.ts
index f5cd019..3d17266 100644
--- a/src/util/nftscan.init.ts
+++ b/src/util/nftscan.init.ts
@@ -1,13 +1,3 @@
 import { initHttpConfig } from '../http/nftscan.http';
 
-export default class NftscanInit {
-  static created = false;
-
-  static onCreate() {
-    if (this.created) {
-      return;
-    }
-    this.created = true;
-    initHttpConfig();
-  }
-}
+initHttpConfig();