diff --git a/src/content/market/business-ability-client.ts b/src/content/market/business-ability-client.ts
index 6ae5e17..f11f927 100644
--- a/src/content/market/business-ability-client.ts
+++ b/src/content/market/business-ability-client.ts
@@ -158,19 +158,19 @@ export function mapBusinessAbilityEstimateResponse(
   return {
     oneToTwenty: {
       expectedCpe: formatDecimal(readNumber(data?.cpe_1_20), 1),
-      expectedCpm: formatDecimal(readNumber(data?.cpm_1_20), 0),
+      expectedCpm: formatFixedDecimal(readNumber(data?.cpm_1_20), 1),
       expectedPlay,
       hotRate
     },
     overSixty: {
       expectedCpe: formatDecimal(readNumber(data?.cpe_60), 1),
-      expectedCpm: formatDecimal(readNumber(data?.cpm_60), 0),
+      expectedCpm: formatFixedDecimal(readNumber(data?.cpm_60), 1),
       expectedPlay,
       hotRate
     },
     twentyToSixty: {
       expectedCpe: formatDecimal(readNumber(data?.cpe_20_60), 1),
-      expectedCpm: formatDecimal(readNumber(data?.cpm_20_60), 0),
+      expectedCpm: formatFixedDecimal(readNumber(data?.cpm_20_60), 1),
       expectedPlay,
       hotRate
     }
@@ -203,7 +203,7 @@ function formatBasisPointRate(value: number | null): string {
 
 function formatDecimalRate(value: number | null): string {
   if (value === null) {
-    return "";
+    return "缺失";
   }
 
   return `${formatDecimal(value * 100, 0)}%`;
@@ -230,6 +230,14 @@ function formatDecimal(value: number | null, digits: number): string {
   return fixed.replace(/\.0+$/, "").replace(/(\.\d*?)0+$/, "$1");
 }
 
+function formatFixedDecimal(value: number | null, digits: number): string {
+  if (value === null || !Number.isFinite(value)) {
+    return "";
+  }
+
+  return value.toFixed(digits);
+}
+
 function readNestedNumber(
   data: Record<string, unknown> | null,
   objectKey: string,
diff --git a/tests/audience-profile-csv.test.ts b/tests/audience-profile-csv.test.ts
index 3e294a1..75cbc2c 100644
--- a/tests/audience-profile-csv.test.ts
+++ b/tests/audience-profile-csv.test.ts
@@ -39,15 +39,15 @@ describe("audience-profile-csv", () => {
           estimates: {
             oneToTwenty: {
               expectedCpe: "2.1",
-              expectedCpm: "120",
+              expectedCpm: "120.0",
               expectedPlay: "250w",
               hotRate: "100%"
             },
             twentyToSixty: {
               expectedCpe: "3.7",
-              expectedCpm: "212",
+              expectedCpm: "212.0",
               expectedPlay: "250w",
-              hotRate: "100%"
+              hotRate: "缺失"
             }
           },
           status: "success",
@@ -109,8 +109,8 @@ describe("audience-profile-csv", () => {
     expect(rowLine).toContain("60%");
     expect(readCsvValue(csv, "商业能力-个人视频-播放量中位数")).toBe("3738.4w");
     expect(readCsvValue(csv, "商业能力-星图视频-平均转发")).toBe("68.4w");
-    expect(readCsvValue(csv, "商业能力-1-20s视频-预期CPM")).toBe("120");
-    expect(readCsvValue(csv, "商业能力-20-60s视频-爆文率")).toBe("100%");
+    expect(readCsvValue(csv, "商业能力-1-20s视频-预期CPM")).toBe("120.0");
+    expect(readCsvValue(csv, "商业能力-20-60s视频-爆文率")).toBe("缺失");
   });
 
   test("leaves distribution cells empty when profile loading fails", () => {
diff --git a/tests/business-ability-client.test.ts b/tests/business-ability-client.test.ts
index a81f6a8..7b05969 100644
--- a/tests/business-ability-client.test.ts
+++ b/tests/business-ability-client.test.ts
@@ -47,25 +47,57 @@ describe("business-ability-client", () => {
     expect(mapBusinessAbilityEstimateResponse(buildEstimatePayload())).toEqual({
       oneToTwenty: {
         expectedCpe: "2.1",
-        expectedCpm: "120",
+        expectedCpm: "120.0",
         expectedPlay: "250w",
         hotRate: "100%"
       },
       overSixty: {
         expectedCpe: "4.2",
-        expectedCpm: "240",
+        expectedCpm: "240.0",
         expectedPlay: "250w",
         hotRate: "100%"
       },
       twentyToSixty: {
         expectedCpe: "3.7",
-        expectedCpm: "212",
+        expectedCpm: "212.0",
         expectedPlay: "250w",
         hotRate: "100%"
       }
     });
   });
 
+  test("keeps decimal CPM values and marks missing hot rate", () => {
+    expect(mapBusinessAbilityEstimateResponse({
+      base_resp: { status_code: 0, status_message: "" },
+      cpe_1_20: "1.6347",
+      cpe_20_60: "2.002",
+      cpe_60: "2.104",
+      cpm_1_20: "21.7955",
+      cpm_20_60: "27.5628",
+      cpm_60: "29.877",
+      vv: "1010234"
+    })).toEqual({
+      oneToTwenty: {
+        expectedCpe: "1.6",
+        expectedCpm: "21.8",
+        expectedPlay: "101w",
+        hotRate: "缺失"
+      },
+      overSixty: {
+        expectedCpe: "2.1",
+        expectedCpm: "29.9",
+        expectedPlay: "101w",
+        hotRate: "缺失"
+      },
+      twentyToSixty: {
+        expectedCpe: "2",
+        expectedCpm: "27.6",
+        expectedPlay: "101w",
+        hotRate: "缺失"
+      }
+    });
+  });
+
   test("loads personal video, Xingtu video, and duration estimate metrics", async () => {
     const requestedUrls: string[] = [];
     const fetchImpl = vi.fn(async (input: string) => {
@@ -92,7 +124,7 @@ describe("business-ability-client", () => {
       })
     ).resolves.toMatchObject({
       estimates: expect.objectContaining({
-        twentyToSixty: expect.objectContaining({ expectedCpm: "212" })
+        twentyToSixty: expect.objectContaining({ expectedCpm: "212.0" })
       }),
       status: "success",
       videos: {