diff --git a/frontend/src/views/Dashboard/Dashboard.css b/frontend/src/views/Dashboard/Dashboard.css
index cc6a9f4..0b3c9bd 100644
--- a/frontend/src/views/Dashboard/Dashboard.css
+++ b/frontend/src/views/Dashboard/Dashboard.css
@@ -896,8 +896,7 @@ code {
   max-width: 1380px;
 }
 
-.task-details-modal,
-.certificate-versions-modal {
+.task-details-modal {
   width: min(100%, 860px);
 }
 
@@ -958,14 +957,12 @@ code {
   font-size: 15px;
 }
 
-.attempt-list,
-.version-list {
+.attempt-list {
   display: grid;
   gap: 9px;
 }
 
-.attempt-row,
-.version-row {
+.attempt-row {
   display: flex;
   align-items: flex-start;
   justify-content: space-between;
@@ -976,15 +973,13 @@ code {
   background: #ffffff;
 }
 
-.attempt-row > div,
-.version-row > div {
+.attempt-row > div {
   display: grid;
   gap: 5px;
   min-width: 0;
 }
 
-.attempt-row strong,
-.version-row strong {
+.attempt-row strong {
   color: #2d4568;
   font-size: 13px;
   overflow-wrap: anywhere;
@@ -997,10 +992,6 @@ code {
   overflow-wrap: anywhere;
 }
 
-.version-row .muted {
-  overflow-wrap: anywhere;
-}
-
 @media (max-width: 900px) {
   .task-detail-summary {
     grid-template-columns: repeat(2, minmax(0, 1fr));
@@ -1016,8 +1007,7 @@ code {
     grid-template-columns: minmax(0, 1fr);
   }
 
-  .attempt-row,
-  .version-row {
+  .attempt-row {
     flex-direction: column;
   }
 }
diff --git a/frontend/src/views/Dashboard/Dashboard.js b/frontend/src/views/Dashboard/Dashboard.js
index dd16bf3..69ca2b0 100644
--- a/frontend/src/views/Dashboard/Dashboard.js
+++ b/frontend/src/views/Dashboard/Dashboard.js
@@ -53,11 +53,6 @@ export function useDashboard() {
   const taskAttempts = ref([]);
   const taskDetailsLoading = ref(false);
   const taskDetailsError = ref("");
-  const showCertificateVersions = ref(false);
-  const certificateVersions = ref([]);
-  const certificateVersionsDomain = ref(null);
-  const certificateVersionsLoading = ref(false);
-  const certificateVersionsError = ref("");
   const hasOpenModal = computed(
     () =>
       showForm.value ||
@@ -65,8 +60,7 @@ export function useDashboard() {
       showSSHKeyForm.value ||
       showSettings.value ||
       showCertificateImport.value ||
-      showTaskDetails.value ||
-      showCertificateVersions.value,
+      showTaskDetails.value,
   );
   let previousBodyOverflow = "";
 
@@ -668,32 +662,6 @@ export function useDashboard() {
     taskDetailsError.value = "";
   }
 
-  async function openCertificateVersions(item) {
-    showCertificateVersions.value = true;
-    certificateVersionsDomain.value = item;
-    certificateVersions.value = [];
-    certificateVersionsError.value = "";
-    certificateVersionsLoading.value = true;
-    try {
-      const response = await fetchAdmin(`/api/v1/domains/${item.id}/certificate/versions`);
-      if (!response.ok) {
-        throw new Error(await responseError(response, "查询证书版本失败"));
-      }
-      certificateVersions.value = (await response.json()).items || [];
-    } catch (err) {
-      certificateVersionsError.value = err.message || "查询证书版本失败";
-    } finally {
-      certificateVersionsLoading.value = false;
-    }
-  }
-
-  function closeCertificateVersions() {
-    showCertificateVersions.value = false;
-    certificateVersions.value = [];
-    certificateVersionsDomain.value = null;
-    certificateVersionsError.value = "";
-  }
-
   async function cancelTask(item) {
     if (!window.confirm("确定取消这项正在执行的证书任务吗？")) return;
     error.value = "";
@@ -1196,13 +1164,6 @@ export function useDashboard() {
     taskAttempts,
     taskDetailsLoading,
     taskDetailsError,
-    openCertificateVersions,
-    closeCertificateVersions,
-    showCertificateVersions,
-    certificateVersions,
-    certificateVersionsDomain,
-    certificateVersionsLoading,
-    certificateVersionsError,
     taskTypeLabel,
     auditActionLabel,
     taskStageLabel,
diff --git a/frontend/src/views/Dashboard/Dashboard.vue b/frontend/src/views/Dashboard/Dashboard.vue
index 35f76cc..94110e2 100644
--- a/frontend/src/views/Dashboard/Dashboard.vue
+++ b/frontend/src/views/Dashboard/Dashboard.vue
@@ -100,13 +100,6 @@ const {
   taskAttempts,
   taskDetailsLoading,
   taskDetailsError,
-  openCertificateVersions,
-  closeCertificateVersions,
-  showCertificateVersions,
-  certificateVersions,
-  certificateVersionsDomain,
-  certificateVersionsLoading,
-  certificateVersionsError,
   displayLabel,
   formatDate,
   daysRemaining,
@@ -323,9 +316,6 @@ const {
             <button class="text-button" type="button" @click="openCertificateImport(item)">
               导入证书
             </button>
-            <button class="text-button" type="button" @click="openCertificateVersions(item)">
-              证书版本
-            </button>
             <button class="text-button" type="button" @click="openEdit(item)">
               编辑</button
             ><button
@@ -1180,6 +1170,7 @@ const {
         </form>
       </section>
 
+    </div>
     <div v-if="showTaskDetails" class="modal-backdrop" @click.self="closeTaskDetails">
       <section class="modal-card task-details-modal" role="dialog" aria-modal="true" aria-label="任务详情">
         <div class="modal-heading">
@@ -1222,35 +1213,6 @@ const {
       </section>
     </div>
 
-    <div v-if="showCertificateVersions" class="modal-backdrop" @click.self="closeCertificateVersions">
-      <section class="modal-card certificate-versions-modal" role="dialog" aria-modal="true" aria-label="证书版本">
-        <div class="modal-heading">
-          <div>
-            <p class="eyebrow">证书管理</p>
-            <h2>当前证书版本</h2>
-            <p class="muted">{{ certificateVersionsDomain?.name }}</p>
-          </div>
-          <button class="close-button" type="button" aria-label="关闭" @click="closeCertificateVersions">×</button>
-        </div>
-        <div v-if="certificateVersionsLoading" class="empty-state">正在读取证书版本……</div>
-        <p v-else-if="certificateVersionsError" class="form-error">{{ certificateVersionsError }}</p>
-        <div v-else-if="certificateVersions.length === 0" class="empty-state">当前域名还没有已保存的证书版本。</div>
-        <div v-else class="version-list">
-          <article v-for="version in certificateVersions" :key="version.version" class="version-row">
-            <div>
-              <strong>{{ version.version }}</strong>
-              <span class="muted">保存时间：{{ formatDate(version.saved_at || version.created_at) }}</span>
-              <span class="muted">证书目录：{{ version.directory }}</span>
-            </div>
-            <span class="tag success">当前使用</span>
-          </article>
-        </div>
-        <p class="security-hint">当前版本策略只保留正在使用的版本；新证书申请成功后会生成新的日期与 Vx.x 目录。</p>
-        <div class="modal-actions">
-          <button class="secondary-button" type="button" @click="closeCertificateVersions">关闭</button>
-        </div>
-      </section>
-    </div>    </div>
   </main>
 </template>
 <style scoped src="./Dashboard.css"></style>