diff --git a/src/views/vehicle/customer-archive.vue b/src/views/vehicle/customer-archive.vue
index ee1cdd1..639fbc4 100644
--- a/src/views/vehicle/customer-archive.vue
+++ b/src/views/vehicle/customer-archive.vue
@@ -283,7 +283,7 @@
                   placeholder="请输入"
                   maxlength="18"
                   show-word-limit
-                  :disabled="kingdeeLocked"
+                  :disabled="kingdeeLocked && Boolean(archiveForm.id)"
                   @input="
                     archiveForm.unifiedCreditCode = String(
                       archiveForm.unifiedCreditCode || ''
@@ -338,7 +338,6 @@
                   multiple
                   filterable
                   clearable
-                  :disabled="kingdeeLocked"
                 >
                   <el-option
                     v-for="item in businessScopeOptions"
@@ -361,12 +360,11 @@
                     v-model="archiveForm.businessEndDate"
                     type="date"
                     value-format="YYYY-MM-DD"
-                    :disabled="kingdeeLocked || archiveForm.businessTermType === '长期'"
+                    :disabled="archiveForm.businessTermType === '长期'"
                     @change="handleBusinessEndDateChange"
                   />
                   <el-checkbox
                     :model-value="archiveForm.businessTermType === '长期'"
-                    :disabled="kingdeeLocked"
                     @change="handleNoFixedTermChange"
                   >
                     无固定期限
@@ -398,7 +396,6 @@
                     :options="regionOptions"
                     :props="regionCascaderProps"
                     :placeholder="archiveForm.registeredRegionName || '请选择省市区'"
-                    :disabled="kingdeeLocked"
                     clearable
                     filterable
                     @change="handleRegisteredRegionChange"
@@ -419,7 +416,6 @@
                     v-model="archiveForm.registeredDetailAddress"
                     maxlength="255"
                     placeholder="请输入详细地址"
-                    :disabled="kingdeeLocked"
                     @input="checkOverflow('registeredDetailInput', 'registeredDetailOverflow')"
                   />
                 </el-tooltip>
@@ -1648,7 +1644,6 @@ export default {
       activeTab: 'scores',
       archiveForm: this.emptyArchive(),
       kingdeeBlocked: false,
-      kingdeeQueriedCode: '',
       kingdeeQueryTimer: null,
       currentScore: { details: [] },
       scoreRecordIndex: -1,
@@ -2252,20 +2247,33 @@ export default {
     },
     resetKingdeeQueryState() {
       this.kingdeeBlocked = false;
-      this.kingdeeQueriedCode = '';
       clearTimeout(this.kingdeeQueryTimer);
       this.kingdeeQueryTimer = null;
     },
-    // 新增态下统一社会信用代码录入完成后自动查询金蝶（A902-1），防抖 500ms
+    // 新增态下重新输入统一社会信用代码后，此前金蝶回填的数据即失效，重置回填状态并允许对新代码重新查询
+    resetKingdeeBackfill() {
+      const form = this.archiveForm;
+      form.kingdeeStatus = 'none';
+      form.fullName = '';
+      form.legalPerson = '';
+      form.registeredCapital = '';
+      form.registeredDetailAddress = '';
+      form.businessScope = [];
+      form.businessTermType = '固定期限';
+      form.businessEndDate = '';
+    },
+    // 新增态下统一社会信用代码录入完成后自动查询金蝶（A902-1），防抖 500ms；
+    // 代码一经变化即重新查询（含改回历史代码），不做同码去重
     handleKingdeeCreditCodeChange(val) {
       this.kingdeeBlocked = false;
       if (this.readonly || this.archiveForm.id) return;
+      if (this.archiveForm.kingdeeStatus === 'exist') {
+        this.resetKingdeeBackfill();
+      }
       const code = String(val || '')
         .trim()
         .toUpperCase();
       if (code.length !== 18 || this.unifiedCreditCodeError(code)) return;
-      if (this.kingdeeQueriedCode === code) return;
-      this.kingdeeQueriedCode = code;
       clearTimeout(this.kingdeeQueryTimer);
       this.kingdeeQueryTimer = setTimeout(() => this.fetchKingdeeCustomer(code), 500);
     },
@@ -2280,12 +2288,17 @@ export default {
       }
       // 防止响应返回时用户已修改代码
       if (String(this.archiveForm.unifiedCreditCode || '').trim().toUpperCase() !== code) return;
-      if (!customer) return;
+      // 金蝶不存在（rows 为空，data 为 null 或空对象）：静默返回，正常填写，不做提示
+      if (!customer || !customer.status) return;
       if (customer.status === 'C') {
         this.applyKingdeeCustomer(customer);
-        this.$alert('金蝶已创建该客户，将获取金蝶的工商信息，相关字段已自动回填并锁定。', '提示', {
-          confirmButtonText: '确定',
-        });
+        this.$alert(
+          '金蝶已创建该客户，将获取金蝶的工商信息，相关字段已自动回填并锁定。如信用代码有误，可直接修改，系统将重新查询。',
+          '提示',
+          {
+            confirmButtonText: '确定',
+          }
+        );
       } else {
         this.kingdeeBlocked = true;
         this.$alert('金蝶审核中，请稍后重新添加。', '提示', { confirmButtonText: '确定' });