diff --git a/core/package.json b/core/package.json
index 8586570..611bcc7 100644
--- a/core/package.json
+++ b/core/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@cool-midway/core",
-  "version": "7.1.21",
+  "version": "7.1.22",
   "description": "",
   "main": "dist/index.js",
   "typings": "index.d.ts",
@@ -61,4 +61,4 @@
     "uuid": "^9.0.1",
     "ws": "^8.16.0"
   }
-}
+}
\ No newline at end of file
diff --git a/core/src/configuration.ts b/core/src/configuration.ts
index 613d5ae..4dc389c 100644
--- a/core/src/configuration.ts
+++ b/core/src/configuration.ts
@@ -12,7 +12,6 @@ import { Configuration } from "@midwayjs/decorator";
 import * as DefaultConfig from "./config/config.default";
 import { CoolExceptionFilter } from "./exception/filter";
 import { FuncUtil } from "./util/func";
-import location from "./util/location";
 import * as koa from "@midwayjs/koa";
 import { CoolModuleConfig } from "./module/config";
 import { CoolModuleImport } from "./module/import";
@@ -54,11 +53,11 @@ export class CoolConfiguration implements ILifeCycle {
 
     // 缓存设置为全局
     // global["COOL-CACHE"] = await container.getAsync(CacheManager);
-    // 清除 location
-    setTimeout(() => {
-      location.clean();
-      this.coreLogger.info("\x1B[36m [cool:core] location clean \x1B[0m");
-    }, 10000);
+    // // 清除 location
+    // setTimeout(() => {
+    //   location.clean();
+    //   this.coreLogger.info("\x1B[36m [cool:core] location clean \x1B[0m");
+    // }, 10000);
   }
 
   async onConfigLoad(
@@ -75,6 +74,6 @@ export class CoolConfiguration implements ILifeCycle {
     const eps: CoolEps = await container.getAsync(CoolEps);
     eps.init();
     this.coolEventManager.emit("onServerReady");
-    location.clean();
+    // location.clean();
   }
 }
diff --git a/core/src/decorator/controller.ts b/core/src/decorator/controller.ts
index 76d9482..e1a69ed 100644
--- a/core/src/decorator/controller.ts
+++ b/core/src/decorator/controller.ts
@@ -156,7 +156,7 @@ export function CoolController(
           res.path.split(`modules/${module}`)[0]
         }modules/${module}/config.${_.endsWith(res.path, "ts") ? "ts" : "js"}`;
         if (os.type() == "Windows_NT") {
-          path = path.substr(1);
+          path = path.substring(1);
         }
         if (fs.existsSync(path)) {
           const config: ModuleConfig = require(path).default();
diff --git a/core/src/package.json b/core/src/package.json
index 1c88b70..5407521 100644
--- a/core/src/package.json
+++ b/core/src/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@cool-midway/core",
-  "version": "7.1.21",
+  "version": "7.1.22",
   "description": "",
   "main": "index.js",
   "typings": "index.d.ts",
@@ -59,4 +59,4 @@
     "ws": "^8.16.0",
     "pm2": "^5.3.1"
   }
-}
+}
\ No newline at end of file
diff --git a/core/src/util/location.ts b/core/src/util/location.ts
index 5558180..3be2890 100644
--- a/core/src/util/location.ts
+++ b/core/src/util/location.ts
@@ -1,95 +1,52 @@
-import { Session } from 'inspector';
-import { v1 as uuid } from 'uuid';
-import * as util from 'util';
-
 /**
  * Location 工具类
  */
 class LocationUtil {
-  static instance = null;
-
-  session: Session;
-
-  PREFIX = '__functionLocation__';
-
-  scripts = {};
-
-  post$ = null;
-
-  constructor() {
-    if (!LocationUtil.instance) {
-      this.init();
-      LocationUtil.instance = this;
-    }
-    return LocationUtil.instance;
-  }
-
-  init() {
-    if (!global[this.PREFIX]) {
-      global[this.PREFIX] = {};
-    }
-    if (this.session) {
-      return;
-    }
-    this.session = new Session();
-    this.session.connect();
-    this.post$ = util.promisify(this.session.post).bind(this.session);
-    this.session.on('Debugger.scriptParsed', res => {
-      this.scripts[res.params.scriptId] = res.params;
-      LocationUtil.instance = this;
-    });
-    this.post$('Debugger.enable');
-    LocationUtil.instance = this;
-  }
+  private locationCache = new Map<string, any>();
 
   /**
-   * 获得脚本位置
-   * @param target
+   * 获取目标类的定义位置
+   * @param target 目标类
+   * @returns 目标类的定义位置
    */
   async scriptPath(target: any) {
-    const id = uuid();
-    global[this.PREFIX][id] = target;
-    const evaluated = await this.post$('Runtime.evaluate', {
-      expression: `global['${this.PREFIX}']['${id}']`,
-      objectGroup: this.PREFIX,
-    });
-    const properties = await this.post$('Runtime.getProperties', {
-      objectId: evaluated.result.objectId,
-    });
-    const location = properties.internalProperties.find(
-      prop => prop.name === '[[FunctionLocation]]'
-    );
-    const script = this.scripts[location.value.value.scriptId];
-    delete global[this.PREFIX][id];
-    let source = decodeURI(script.url);
-    if (!source.startsWith('file://')) {
-      source = `file://${source}`;
-    }
-    return {
-      column: location.value.value.columnNumber + 1,
-      line: location.value.value.lineNumber + 1,
-      path: source.substr(7),
-      source,
-    };
-  }
-
-  /**
-   * 清除
-   */
-  async clean() {
-    if (this.session) {
-      await this.post$('Runtime.releaseObjectGroup', {
-        objectGroup: this.PREFIX,
-      });
-      this.session.disconnect();
+    const targetName = target.name;
+    
+    // 检查缓存
+    if (this.locationCache.has(targetName)) {
+      return this.locationCache.get(targetName);
     }
 
-    this.session = null;
-    this.post$ = null;
-    this.scripts = null;
-    delete global[this.PREFIX];
-    LocationUtil.instance = null;
+    const originalPrepareStackTrace = Error.prepareStackTrace;
+    let targetFile;
+
+    try {
+      Error.prepareStackTrace = (error, stack) => stack;
+      const stack = new Error().stack as any;
+      
+      for (const site of stack) {
+        const fileName = site.getFileName();
+        if (!fileName) continue;
+        
+        const content = require('fs').readFileSync(fileName, 'utf-8');
+        if (content.includes(`class ${targetName}`)) {
+          targetFile = {
+            path: fileName,
+            line: site.getLineNumber(),
+            column: site.getColumnNumber(),
+            source: `file://${fileName}`
+          };
+          this.locationCache.set(targetName, targetFile);
+          break;
+        }
+      }
+    } finally {
+      Error.prepareStackTrace = originalPrepareStackTrace;
+    }
+
+    return targetFile;
   }
 }
 
+// 不再需要单例模式，直接导出实例即可
 export default new LocationUtil();