diff --git a/packages/plugins/plugin-cert/src/plugin/cert-plugin/base.ts b/packages/plugins/plugin-cert/src/plugin/cert-plugin/base.ts
index 46bf9efb..da387e0e 100644
--- a/packages/plugins/plugin-cert/src/plugin/cert-plugin/base.ts
+++ b/packages/plugins/plugin-cert/src/plugin/cert-plugin/base.ts
@@ -145,7 +145,8 @@ export abstract class CertApplyBasePlugin extends CertApplyBaseConvertPlugin {
       throw new Error("过期时间不能为空");
     }
     // 检查有效期
-    const leftDays = dayjs(expires).diff(dayjs(), "day");
+    const leftDays = Math.floor((expires - dayjs().valueOf()) / (1000 * 60 * 60 * 24));
+    this.logger.info(`证书剩余天数：${leftDays}`);
     return {
       isWillExpire: leftDays <= maxDays,
       leftDays,
diff --git a/packages/plugins/plugin-cert/test/cert-plugin.test.mjs b/packages/plugins/plugin-cert/test/cert-plugin.test.mjs
new file mode 100644
index 00000000..7af120ee
--- /dev/null
+++ b/packages/plugins/plugin-cert/test/cert-plugin.test.mjs
@@ -0,0 +1,27 @@
+import { expect } from "chai";
+import { CertApplyPlugin } from "../dist/index.js";
+import dayjs from "dayjs";
+import { logger } from "@certd/basic";
+
+describe("test/cert-plugin.ts", () => {
+  const certApplyPlugin = new CertApplyPlugin();
+  certApplyPlugin.logger = logger;
+  it("should throw error when expires is null or undefined", () => {
+    expect(() => {
+      // @ts-ignore
+      certApplyPlugin.isWillExpire(undefined);
+    }).throw("过期时间不能为空");
+
+    expect(() => {
+      // @ts-ignore
+      certApplyPlugin.isWillExpire(null);
+    }).throw("过期时间不能为空");
+  });
+
+  it("isWillExpire", () => {
+    const now = dayjs().add(36, "day") - 10000;
+    const res = certApplyPlugin.isWillExpire(now.valueOf(), 35);
+    console.log(res);
+    expect(res.isWillExpire).eq(true);
+  });
+});
diff --git a/packages/ui/certd-client/src/style/antdv4.less b/packages/ui/certd-client/src/style/antdv4.less
index 40c79d3b..227c9096 100644
--- a/packages/ui/certd-client/src/style/antdv4.less
+++ b/packages/ui/certd-client/src/style/antdv4.less
@@ -65,4 +65,10 @@ footer{
 .ant-select-multiple .ant-select-selection-item-remove{
   display: flex;
   align-items: center;
+}
+
+
+.ant-progress.ant-progress-show-info .ant-progress-outer {
+  margin-inline-end: calc(-3em - 8px);
+  padding-inline-end: calc(3em + 8px);
 }
\ No newline at end of file