diff --git a/packages/canyon-collect/prisma/schema.prisma b/packages/canyon-collect/prisma/schema.prisma
index 58fd94d3..16fa2c83 100755
--- a/packages/canyon-collect/prisma/schema.prisma
+++ b/packages/canyon-collect/prisma/schema.prisma
@@ -13,6 +13,7 @@ model Coverage {
   sha               String
   branch            String
   compareTarget     String   @map("compare_target")
+  instrumentCwd     String   @map("instrument_cwd") //是build时的路径，因为要与sourceMap对应
   provider          String
   buildProvider     String   @map("build_provider") // 通过侦测CI环境变量来判断
   buildID           String   @map("build_id")
diff --git a/packages/canyon-collect/src/apps/collect/models/coverage.model.ts b/packages/canyon-collect/src/apps/collect/models/coverage.model.ts
index e3bb663e..a110dc85 100644
--- a/packages/canyon-collect/src/apps/collect/models/coverage.model.ts
+++ b/packages/canyon-collect/src/apps/collect/models/coverage.model.ts
@@ -15,6 +15,7 @@ export const coverageObj = {
   summary: '',
   hit: '',
   map: '',
+  instrumentCwd: '',
   // createdAt: new Date(),
   // updatedAt: new Date(),
 };
diff --git a/packages/canyon-collect/src/apps/collect/services/coverage-client.service.ts b/packages/canyon-collect/src/apps/collect/services/coverage-client.service.ts
index e53e0ea3..6dd75d9b 100755
--- a/packages/canyon-collect/src/apps/collect/services/coverage-client.service.ts
+++ b/packages/canyon-collect/src/apps/collect/services/coverage-client.service.ts
@@ -5,7 +5,6 @@ import { compressedData, decompressedData } from '../../../utils/zstd';
 import {
   formatReportObject,
   regularData,
-  remapCoverage,
 } from '../../../utils/coverage';
 import { mergeCoverageMap } from 'canyon-data';
 
diff --git a/packages/canyon-collect/src/apps/collect/services/coverage-map-client.service.ts b/packages/canyon-collect/src/apps/collect/services/coverage-map-client.service.ts
index 19040b08..6bebc4f1 100755
--- a/packages/canyon-collect/src/apps/collect/services/coverage-map-client.service.ts
+++ b/packages/canyon-collect/src/apps/collect/services/coverage-map-client.service.ts
@@ -65,6 +65,7 @@ export class CoverageMapClientService {
           summary: Buffer.from([]),
           hit: Buffer.from([]),
           map: compressedFormatCoverageStr,
+          instrumentCwd: instrumentCwd,
         },
       })
       .then((r) => {
diff --git a/packages/canyon-collect/src/utils/coverage.ts b/packages/canyon-collect/src/utils/coverage.ts
index 6790963b..5fb9fc97 100644
--- a/packages/canyon-collect/src/utils/coverage.ts
+++ b/packages/canyon-collect/src/utils/coverage.ts
@@ -21,7 +21,7 @@ function convertInstrumentCwd({ path, instrumentCwd, projectInstrumentCwd }) {
   }
 }
 // 格式化上报的覆盖率对象
-export async function formatReportObject(c: any) {
+export function formatReportObject(c: any) {
   // 去除斜杠\\
   const removeSlash = (x: any) =>
     JSON.parse(JSON.stringify(x).replace(/\\\\/g, '/'));
diff --git a/packages/canyon-platform/app/api/cov/map/route.ts b/packages/canyon-platform/app/api/cov/map/route.ts
index 501c33a6..14598567 100644
--- a/packages/canyon-platform/app/api/cov/map/route.ts
+++ b/packages/canyon-platform/app/api/cov/map/route.ts
@@ -1,6 +1,7 @@
 // export const dynamic = 'force-static'
 import prisma from "@/lib/prisma";
 import { compressedData, decompressedData } from "@/utils/zstd";
+import { formatReportObject, remapCoverage } from "@/utils/coverage";
 // import { decompressedData } from "@/utils/zstd";
 
 // import { compress, decompress } from "@mongodb-js/zstd";
@@ -8,11 +9,13 @@ import { compressedData, decompressedData } from "@/utils/zstd";
 export async function GET() {
   const data = await prisma.coverage.findFirst({
     where: {
-      projectID: "118075",
-      sha: "91a12fc016b8f0c61dd605a67b38b6c5999fed74",
+      projectID: "490316875",
+      sha: "0cacb37b236c9507004505662a0d6bfb018aaec4",
     },
   });
 
+  // console.log(data.instrumentCwd);
+
   const d = await decompressedData(data.map)
     .then((r) => r.toString())
     .then((r) => JSON.parse(r));
@@ -26,8 +29,25 @@ export async function GET() {
     obj[key] = {
       ...d[key],
       ...c[key],
+      path: key,
     };
   }
-
-  return Response.json(obj);
+  // console.log(data,'')
+  function addInstrumentCwd(cov) {
+    const o = {};
+    for (const key in cov) {
+      o[data.instrumentCwd + "/" + key] = {
+        ...cov[key],
+        path: data.instrumentCwd + "/" + key,
+      };
+    }
+    return o;
+  }
+  const r = await remapCoverage(addInstrumentCwd(obj)).then((r) =>
+    formatReportObject({
+      coverage: r,
+      instrumentCwd: data.instrumentCwd,
+    }),
+  );
+  return Response.json(r.coverage);
 }
diff --git a/packages/canyon-platform/package.json b/packages/canyon-platform/package.json
index 3f482b7d..0f7afbfe 100755
--- a/packages/canyon-platform/package.json
+++ b/packages/canyon-platform/package.json
@@ -34,6 +34,8 @@
     "eslint-config-next": "15.0.3",
     "eslint-config-prettier": "^9.1.0",
     "eslint-plugin-prettier": "^5.2.1",
+    "istanbul-lib-coverage": "^3.2.2",
+    "istanbul-lib-source-maps": "^5.0.6",
     "postcss": "^8",
     "tailwindcss": "^3.4.1",
     "tailwindcss-animate": "^1.0.7",
diff --git a/packages/canyon-platform/prisma/schema.prisma b/packages/canyon-platform/prisma/schema.prisma
index bce31e5d..54b0221a 100644
--- a/packages/canyon-platform/prisma/schema.prisma
+++ b/packages/canyon-platform/prisma/schema.prisma
@@ -69,6 +69,7 @@ model Coverage {
   hit               Bytes
   // 特殊逻辑，必须要有map数据，才能上报hit，并且存在cov_type上。
   map               Bytes
+  instrumentCwd     String   @map("instrument_cwd") //是build时的路径，因为要与sourceMap对应
   // 通用
   createdAt         DateTime @default(now()) @map("created_at") @db.Timestamp(3)
   updatedAt         DateTime @default(now()) @map("updated_at") @db.Timestamp(3)
diff --git a/packages/canyon-platform/utils/coverage.ts b/packages/canyon-platform/utils/coverage.ts
new file mode 100644
index 00000000..e7662f32
--- /dev/null
+++ b/packages/canyon-platform/utils/coverage.ts
@@ -0,0 +1,74 @@
+import libCoverage from "istanbul-lib-coverage";
+import libSourceMaps from "istanbul-lib-source-maps";
+
+// 覆盖率回溯，在覆盖率存储之前转换
+export async function remapCoverage(obj: any) {
+  const res = await libSourceMaps
+    .createSourceMapStore()
+    .transformCoverage(libCoverage.createCoverageMap(obj));
+  const { data: data_1 } = res;
+  const obj_1: any = {};
+  for (const dataKey in data_1) {
+    const x = data_1[dataKey]["data"];
+    obj_1[x.path] = x;
+  }
+  return obj_1;
+}
+
+function parseInstrumentCwd(instrumentCwd) {
+  if (instrumentCwd.includes("=>")) {
+    const instrumentCwdSplit = instrumentCwd.split("=>");
+    return [instrumentCwdSplit[0], instrumentCwdSplit[1]];
+  } else {
+    return [instrumentCwd, ""];
+  }
+}
+function convertInstrumentCwd({ path, instrumentCwd, projectInstrumentCwd }) {
+  if (!projectInstrumentCwd) {
+    return path.replace(instrumentCwd, "");
+  } else {
+    // 这里需要解析一下instrumentCwd，如果包含"=>"，则需要替换。
+    const [leftInstrumentCwd, rightInstrumentCwd] =
+      parseInstrumentCwd(projectInstrumentCwd);
+    return path
+      .replace(instrumentCwd, "")
+      .replace(leftInstrumentCwd, rightInstrumentCwd);
+  }
+}
+// 格式化上报的覆盖率对象
+export function formatReportObject(c: any) {
+  // 去除斜杠\\
+  const removeSlash = (x: any) =>
+    JSON.parse(JSON.stringify(x).replace(/\\\\/g, "/"));
+  // 暂时解决方案，需要解决sourceMap问题
+  const coverage = removeSlash(c.coverage);
+  const instrumentCwd = removeSlash(c.instrumentCwd);
+  const projectInstrumentCwd = removeSlash(c.projectInstrumentCwd || "");
+  const reversePath = (p: string) => {
+    const a = convertInstrumentCwd({
+      path: p,
+      instrumentCwd,
+      projectInstrumentCwd,
+    });
+    let b = "";
+    // 从第二个字符开始
+    for (let i = 1; i < a.length; i++) {
+      b += a[i];
+    }
+    return "" + b;
+  };
+  const obj: any = {};
+  for (const coverageKey in coverage) {
+    obj[reversePath(coverageKey)] = {
+      ...coverage[coverageKey],
+      path: reversePath(coverageKey),
+    };
+  }
+
+  // 确保修改成istanbul格式，去掉start、end为空的情况
+
+  return {
+    coverage: obj,
+    instrumentCwd,
+  };
+}
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 1e5a6e29..65918cc2 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -208,6 +208,12 @@ importers:
       eslint-plugin-prettier:
         specifier: ^5.2.1
         version: 5.2.1(@types/eslint@9.6.1)(eslint-config-prettier@9.1.0(eslint@8.57.1))(eslint@8.57.1)(prettier@3.3.3)
+      istanbul-lib-coverage:
+        specifier: ^3.2.2
+        version: 3.2.2
+      istanbul-lib-source-maps:
+        specifier: ^5.0.6
+        version: 5.0.6
       postcss:
         specifier: ^8
         version: 8.4.49