diff --git a/src/api/index.js b/src/api/index.js
index 4607858..9e4b2da 100644
--- a/src/api/index.js
+++ b/src/api/index.js
@@ -220,6 +220,9 @@ export const certificationApi = {
   // 管理员代用户完成认证（暂不关联合同）
   adminCompleteWithoutContract: (data) => request.post('/certifications/admin/complete-without-contract', data),
 
+  // 管理员触发重新认证（回退到提交企业信息，保留钱包/API Key/历史记录）
+  adminResetForResignContract: (data) => request.post('/certifications/admin/reset-for-resign-contract', data),
+
   // 管理端企业审核：列表（按状态机 certification_status 筛选）、详情、通过、拒绝、按用户变更状态
   adminListSubmitRecords: (params) => request.get('/certifications/admin/submit-records', { params }),
   adminGetSubmitRecord: (id) => request.get(`/certifications/admin/submit-records/${id}`),
diff --git a/src/pages/admin/users/index.vue b/src/pages/admin/users/index.vue
index 9b3d63c..a1938f1 100644
--- a/src/pages/admin/users/index.vue
+++ b/src/pages/admin/users/index.vue
@@ -543,6 +543,15 @@
             <div v-else class="text-center py-6 text-gray-500">
               暂无合同信息
             </div>
+
+            <div class="mt-6 flex flex-wrap gap-2">
+              <el-button type="warning" size="small" @click="openResignContractDialog">
+                重新认证
+              </el-button>
+              <span class="text-xs text-gray-400 self-center">
+                回退到填写企业信息，钱包 / API Key / 历史记录不受影响
+              </span>
+            </div>
           </div>
 
           <!-- 未认证提示 -->
@@ -699,6 +708,59 @@
           </div>
         </template>
       </el-dialog>
+
+      <!-- 管理员重新认证弹窗 -->
+      <el-dialog
+        v-model="resignContractDialogVisible"
+        title="重新认证"
+        :width="isMobile ? '90%' : '520px'"
+        class="enterprise-dialog"
+      >
+        <div v-if="selectedUser" class="space-y-4">
+          <el-alert
+            type="warning"
+            :closable="false"
+            show-icon
+            title="回退到提交企业信息"
+            description="用户可在「企业入驻」重新填写企业信息并走完整认证流程。钱包余额、API Key、历史合同均保留，用户仍保持已认证状态。"
+          />
+          <div class="user-info">
+            <div class="info-item">
+              <span class="info-label">用户手机:</span>
+              <span class="info-value">{{ formatPhone(selectedUser.phone) }}</span>
+            </div>
+            <div class="info-item">
+              <span class="info-label">企业名称:</span>
+              <span class="info-value">{{ selectedUser.enterprise_info?.company_name || '-' }}</span>
+            </div>
+          </div>
+          <el-form ref="resignContractFormRef" :model="resignContractForm" :rules="resignContractRules" label-width="100px">
+            <el-form-item label="操作原因" prop="reason">
+              <el-input
+                v-model="resignContractForm.reason"
+                type="textarea"
+                :rows="3"
+                placeholder="请填写触发重新认证的原因，便于审计"
+              />
+            </el-form-item>
+          </el-form>
+        </div>
+        <template #footer>
+          <div :class="['dialog-footer', isMobile ? 'flex-col' : '']">
+            <el-button :class="isMobile ? 'w-full' : ''" @click="resignContractDialogVisible = false">
+              取消
+            </el-button>
+            <el-button
+              type="warning"
+              :class="isMobile ? 'w-full' : ''"
+              :loading="resignContractLoading"
+              @click="handleSubmitResignContract"
+            >
+              确认重新认证
+            </el-button>
+          </div>
+        </template>
+      </el-dialog>
     </template>
   </ListPageLayout>
 </template>
@@ -745,6 +807,20 @@ const adminCertForm = reactive({
   reason: ''
 })
 
+// 管理员重新签合同
+const resignContractDialogVisible = ref(false)
+const resignContractLoading = ref(false)
+const resignContractFormRef = ref(null)
+const resignContractForm = reactive({
+  reason: ''
+})
+const resignContractRules = {
+  reason: [
+    { required: true, message: '请填写操作原因', trigger: 'blur' },
+    { min: 2, max: 500, message: '原因长度需在 2-500 字之间', trigger: 'blur' }
+  ]
+}
+
 const adminCertRules = {
   company_name: [{ required: true, message: '请输入企业名称', trigger: 'blur' }],
   unified_social_code: [{ required: true, message: '请输入统一社会信用代码', trigger: 'blur' }],
@@ -999,6 +1075,39 @@ const handleSubmitAdminCert = async () => {
   }
 }
 
+// 打开重新认证弹窗
+const openResignContractDialog = () => {
+  if (!selectedUser.value?.is_certified) {
+    ElMessage.warning('仅已认证用户可重新认证')
+    return
+  }
+  resignContractForm.reason = ''
+  resignContractDialogVisible.value = true
+}
+
+// 提交重新认证
+const handleSubmitResignContract = async () => {
+  if (!resignContractFormRef.value || !selectedUser.value) return
+  try {
+    await resignContractFormRef.value.validate()
+    resignContractLoading.value = true
+    await certificationApi.adminResetForResignContract({
+      user_id: selectedUser.value.id,
+      reason: resignContractForm.reason
+    })
+    ElMessage.success('已重置为重新认证，请通知用户前往企业入驻重新填写企业信息')
+    resignContractDialogVisible.value = false
+    userDialogVisible.value = false
+    await loadUsers()
+    await loadStats()
+  } catch (error) {
+    console.error('重新认证失败:', error)
+    ElMessage.error(error?.response?.data?.message || '重新认证失败')
+  } finally {
+    resignContractLoading.value = false
+  }
+}
+
 // 查看合同
 const handleViewContract = (contract) => {
   if (contract.contract_file_url) {