diff --git a/app/Http/Controllers/Business/CourierAgreementSignatures.php b/app/Http/Controllers/Business/CourierAgreementSignatures.php
index 6b994ce1..d4abc707 100644
--- a/app/Http/Controllers/Business/CourierAgreementSignatures.php
+++ b/app/Http/Controllers/Business/CourierAgreementSignatures.php
@@ -121,16 +121,11 @@ class CourierAgreementSignatures extends Controller
                     ? '请填写原公司法人的 E 签宝实名认证姓名。'
                     : '请填写变更前主体签署人的 E 签宝实名认证姓名。']);
             }
-            if ($formerCompanyDeregistered) {
-                $data['secondary_esign_account'] = null;
-                $data['secondary_operator_name'] = null;
-            } else {
-                if (blank($data['secondary_esign_account'] ?? null)) {
-                    throw ValidationException::withMessages(['secondary_esign_account' => '普通主体变更需要填写变更后主体的 E 签宝账号。']);
-                }
-                if (blank($data['secondary_operator_name'] ?? null)) {
-                    throw ValidationException::withMessages(['secondary_operator_name' => '请填写变更后主体签署人的 E 签宝实名认证姓名。']);
-                }
+            if (blank($data['secondary_esign_account'] ?? null)) {
+                throw ValidationException::withMessages(['secondary_esign_account' => '请填写变更后主体的 E 签宝账号。']);
+            }
+            if (blank($data['secondary_operator_name'] ?? null)) {
+                throw ValidationException::withMessages(['secondary_operator_name' => '请填写变更后主体签署人的 E 签宝实名认证姓名。']);
             }
         }
         if ($type === 'cooperation-contract') {
diff --git a/app/Support/CourierAgreementSignatureService.php b/app/Support/CourierAgreementSignatureService.php
index 0f30160f..d6bb27e8 100644
--- a/app/Support/CourierAgreementSignatureService.php
+++ b/app/Support/CourierAgreementSignatureService.php
@@ -342,22 +342,25 @@ final class CourierAgreementSignatureService
                 $payload['entity_change_old_company_deregistered'] ?? false,
                 FILTER_VALIDATE_BOOLEAN,
             );
-            if ($formerCompanyDeregistered || ($payload['counterparty_signer_type'] ?? 'organization') === 'person') {
-                return [[
+            if (blank($payload['secondary_esign_account'] ?? null) || blank($payload['secondary_operator_name'] ?? null)) {
+                throw new RuntimeException('请填写变更后主体的 E 签宝账号和实名认证姓名。');
+            }
+            $formerSigner = $formerCompanyDeregistered || ($payload['counterparty_signer_type'] ?? 'organization') === 'person'
+                ? [
                     'signer_type' => 0,
                     'organization_name' => null,
                     'operator_name' => $signature->operator_name,
                     'operator_account' => $signature->operator_account,
-                ]];
-            }
+                ]
+                : array_merge($primary, ['organization_name' => $payload['former_company_name'] ?? $signature->organization_name]);
 
             return [
-                array_merge($primary, ['organization_name' => $payload['former_company_name'] ?? $signature->organization_name]),
+                $formerSigner,
                 [
                     'signer_type' => 1,
                     'organization_name' => $payload['changed_company_name'] ?? $signature->organization_name,
-                    'operator_name' => $payload['secondary_operator_name'] ?? $signature->operator_name,
-                    'operator_account' => $payload['secondary_esign_account'] ?? $signature->operator_account,
+                    'operator_name' => $payload['secondary_operator_name'],
+                    'operator_account' => $payload['secondary_esign_account'],
                 ],
             ];
         }
diff --git a/resources/views/business/pages/courier-payables/agreement-signing.blade.php b/resources/views/business/pages/courier-payables/agreement-signing.blade.php
index e2336d00..97b0a171 100644
--- a/resources/views/business/pages/courier-payables/agreement-signing.blade.php
+++ b/resources/views/business/pages/courier-payables/agreement-signing.blade.php
@@ -1597,7 +1597,7 @@
 
                         <div class="agreement-form-grid" data-template-fields="entity-change" hidden>
                             <div class="agreement-field agreement-field--full">
-                                <label class="agreement-checkbox-choice"><input type="checkbox" name="entity_change_old_company_deregistered" value="1" data-entity-change-deregistered><span><strong>变更前公司已注销，使用原法人个人签署</strong><span>旧主体账号不可用时，使用原公司法人实名认证的个人账号签署。</span></span></label>
+                                <label class="agreement-checkbox-choice"><input type="checkbox" name="entity_change_old_company_deregistered" value="1" data-entity-change-deregistered><span><strong>变更前公司已注销，使用原法人个人签署</strong><span>原法人以个人身份签字，变更后公司仍须法人签字并盖章。</span></span></label>
                             </div>
                             <div class="agreement-field">
                                 <label for="agreement-former-company">变更前公司名称 <span class="agreement-required" aria-hidden="true">*</span></label>
@@ -1803,8 +1803,8 @@
                         <p>特此证明！</p>
                         <div class="agreement-preview-signature">
                             <p data-entity-organization-signatures>变更前公司法人签字盖公章：</p>
-                            <p data-entity-organization-signatures>变更后公司法人签字盖公章：</p>
                             <p data-entity-person-signature hidden>原公司法人个人签字：<span class="agreement-preview-value" data-preview-bind="formerLegalRepresentative">待填写</span></p>
+                            <p>变更后公司法人签字盖公章：<span class="agreement-preview-value" data-preview-bind="changedCompanyName">待填写</span>（签署人：<span class="agreement-preview-value" data-preview-bind="changedLegalRepresentative">待填写</span>）</p>
                             <p>日期：<span data-preview-bind="signatureDate">{{ now()->format('Y年n月j日') }}</span></p>
                         </div>
                         <p class="agreement-preview-page-number">第 1 页 / 共 1 页</p>
@@ -2811,7 +2811,7 @@
                 refreshSignerAccountLabels(templateType);
                 var secondary = root.querySelector('[data-secondary-signer-fields]');
                 if (secondary) {
-                    var needsSecondary = (entityChange && !formerCompanyDeregistered) || templateType === 'cooperation-contract' || templateType === 'authorization';
+                    var needsSecondary = entityChange || templateType === 'cooperation-contract' || templateType === 'authorization';
                     secondary.hidden = !needsSecondary;
                     secondary.querySelectorAll('input').forEach(function (control) {
                         control.disabled = !needsSecondary;
@@ -2834,7 +2834,7 @@
                     }
                 }
                 if (secondaryOperatorField) {
-                    var needsSecondaryOperator = (entityChange && !formerCompanyDeregistered) || cooperationContract || (authorization && !trusteeIsPerson);
+                    var needsSecondaryOperator = entityChange || cooperationContract || (authorization && !trusteeIsPerson);
                     secondaryOperatorField.hidden = !needsSecondaryOperator;
                     secondaryOperatorInput.disabled = !needsSecondaryOperator;
                     secondaryOperatorInput.required = needsSecondaryOperator;
@@ -2842,7 +2842,7 @@
                 }
                 setText('[data-template-name]', documentOption.dataset.name);
                 setText('[data-template-code]', documentOption.dataset.code);
-                setText('[data-template-description]', formerCompanyDeregistered ? '旧公司作为历史主体保留，仅向原法人发送个人签署请求。' : otherSignerIsPerson ? '使用合作人的个人实名认证姓名和账号签署。' : documentOption.dataset.description);
+                setText('[data-template-description]', formerCompanyDeregistered ? '原法人以个人身份签字，变更后公司仍须法人签字并盖章；双方分别接收签署请求。' : otherSignerIsPerson ? '使用合作人的个人实名认证姓名和账号签署。' : documentOption.dataset.description);
                 setText('[data-variable-template-name]', documentOption.dataset.name);
                 setText('[data-preview-template-code]', documentOption.dataset.code);
                 setPreviewValue('company', companyName);
@@ -2875,6 +2875,7 @@
                     setPreviewValue('changedCompanyName', fieldValue('[name="changed_company_name"]', '待填写'));
                     setPreviewValue('changedCompanyStartDate', formatDateField('[name="changed_company_start_date"]', '待填写'));
                     setPreviewValue('formerLegalRepresentative', fieldValue('[name="operator_name"]', '待填写'));
+                    setPreviewValue('changedLegalRepresentative', fieldValue('[name="secondary_operator_name"]', '待填写'));
                     root.querySelectorAll('[data-entity-organization-signatures]').forEach(function (element) {
                         element.hidden = formerCompanyDeregistered;
                     });
diff --git a/resources/views/business/pdf/courier-agreement.blade.php b/resources/views/business/pdf/courier-agreement.blade.php
index 58b6c6d5..2e454688 100644
--- a/resources/views/business/pdf/courier-agreement.blade.php
+++ b/resources/views/business/pdf/courier-agreement.blade.php
@@ -77,11 +77,15 @@
     @endif
     <p>变更后，原公司的各项事宜由变更后的公司继续执行。原公司的结算未付款项，由变更之后的公司提供的收款账户收款。原公司的业务和款项若出现法律上的纠纷，由变更后的公司承担责任。</p>
     <p>特此证明！</p>
-    @if (filter_var($payload['entity_change_old_company_deregistered'] ?? false, FILTER_VALIDATE_BOOLEAN))
-        <div class="sign"><p>原公司法人个人签字：{!! $mixedText($payload['former_legal_representative'] ?? '') !!}</p><p>日期：{!! $mixedText($signatureDate) !!}</p></div>
-    @else
-        <div class="sign"><p>变更前公司法人签字盖公章：{!! $mixedText($payload['former_company_name']) !!}（签署人：{!! $mixedText($payload['former_legal_representative'] ?? '') !!}）</p><p>变更后公司法人签字盖公章：{!! $mixedText($payload['changed_company_name']) !!}（签署人：{!! $mixedText($payload['secondary_operator_name'] ?? '') !!}）</p><p>日期：{!! $mixedText($signatureDate) !!}</p></div>
-    @endif
+    <div class="sign">
+        @if (filter_var($payload['entity_change_old_company_deregistered'] ?? false, FILTER_VALIDATE_BOOLEAN))
+            <p>原公司法人个人签字：{!! $mixedText($payload['former_legal_representative'] ?? '') !!}</p>
+        @else
+            <p>变更前公司法人签字盖公章：{!! $mixedText($payload['former_company_name']) !!}（签署人：{!! $mixedText($payload['former_legal_representative'] ?? '') !!}）</p>
+        @endif
+        <p>变更后公司法人签字盖公章：{!! $mixedText($payload['changed_company_name']) !!}（签署人：{!! $mixedText($payload['secondary_operator_name'] ?? '') !!}）</p>
+        <p>日期：{!! $mixedText($signatureDate) !!}</p>
+    </div>
 @elseif ($type === 'shared-contract')
     <p>与 {!! $mixedText($payload['company_full_name'] ?? $signature->company_full_name) !!} 合作的 {!! $mixedText($sharedCourierText) !!}，均归属于 {!! $mixedText($payload['contract_partner_name'] ?? '') !!}，共用一份合同及同一份打款资料，合同签署及结算主体均为 {!! $mixedText($payload['contract_partner_name'] ?? '') !!}。</p>
     <p>特此证明！</p>
diff --git a/tests/Feature/Business/AgreementSigningPageTest.php b/tests/Feature/Business/AgreementSigningPageTest.php
index dd5b9705..10bb44b0 100644
--- a/tests/Feature/Business/AgreementSigningPageTest.php
+++ b/tests/Feature/Business/AgreementSigningPageTest.php
@@ -345,7 +345,9 @@ class AgreementSigningPageTest extends FeatureTestCase
             ->assertSeeText('变更前公司名称')
             ->assertSeeText('变更后公司名称')
             ->assertSeeText('变更前公司已注销，使用原法人个人签署')
+            ->assertSeeText('原法人以个人身份签字，变更后公司仍须法人签字并盖章。')
             ->assertSeeText('变更后主体 E 签宝实名认证姓名')
+            ->assertSee('data-preview-bind="changedLegalRepresentative"', false)
             ->assertSeeText('原公司法人个人签字')
             ->assertSeeText('受托方签署类型')
             ->assertSeeText('个人签署')
diff --git a/tests/Feature/Business/CourierAgreementSignatureWorkflowTest.php b/tests/Feature/Business/CourierAgreementSignatureWorkflowTest.php
index 60519812..49474608 100644
--- a/tests/Feature/Business/CourierAgreementSignatureWorkflowTest.php
+++ b/tests/Feature/Business/CourierAgreementSignatureWorkflowTest.php
@@ -224,7 +224,7 @@ class CourierAgreementSignatureWorkflowTest extends FeatureTestCase
         });
     }
 
-    public function test_entity_change_can_use_the_former_legal_representative_as_a_person_after_deregistration(): void
+    public function test_deregistered_entity_change_sends_the_former_person_and_current_enterprise(): void
     {
         $this->fakeEsign();
 
@@ -238,34 +238,91 @@ class CourierAgreementSignatureWorkflowTest extends FeatureTestCase
             'signing_deadline' => now()->addDays(7)->toDateString(),
             'esign_account' => '13800138000',
             'operator_name' => '原法人',
+            'secondary_esign_account' => '13900139000',
+            'secondary_operator_name' => '新法人',
+            'archive_mode' => 'auto',
+            'entity_change_old_company_deregistered' => '1',
+            'former_company_name' => '已注销原公司有限公司',
+            'entity_change_date' => '2026-10-01',
+            'changed_company_name' => '新公司有限公司',
+            'changed_company_start_date' => '2026-10-10',
+        ];
+
+        $this->loginAs()->post(route('business.courier-agreement-signatures.store'), $payload)->assertRedirect();
+
+        $signature = CourierAgreementSignature::query()->firstOrFail();
+        $this->assertTrue($signature->payload['entity_change_old_company_deregistered']);
+        $this->assertSame('原法人', $signature->payload['former_legal_representative']);
+        $this->assertSame('13900139000', $signature->payload['secondary_esign_account']);
+        $this->assertSame('新法人', $signature->payload['secondary_operator_name']);
+        $html = view('business.pdf.courier-agreement', [
+            'signature' => $signature,
+            'type' => $signature->document_type,
+            'title' => $signature->documentLabel(),
+            'payload' => $signature->payload,
+            'signatureDate' => '2026年10月10日',
+            'fontPath' => str_replace('\\', '/', resource_path('fonts/DroidSansFallback.ttf')),
+        ])->render();
+        $this->assertStringContainsString('原公司法人个人签字：原法人', strip_tags($html));
+        $this->assertStringContainsString('变更后公司法人签字盖公章：新公司有限公司（签署人：新法人）', strip_tags($html));
+        $this->assertStringNotContainsString('变更前公司法人签字盖公章', $html);
+
+        Http::assertSent(function (ClientRequest $request): bool {
+            if ($request->url() !== 'https://smlopenapi.esign.test/v3/sign-flow/create-by-file') {
+                return false;
+            }
+
+            $signers = $request->data()['signers'] ?? [];
+
+            return count($signers) === 2
+                && data_get($signers, '0.signerType') === 0
+                && data_get($signers, '0.psnSignerInfo.psnAccount') === '13800138000'
+                && data_get($signers, '0.psnSignerInfo.psnInfo.psnName') === '原法人'
+                && data_get($signers, '0.orgSignerInfo') === null
+                && data_get($signers, '1.signerType') === 1
+                && data_get($signers, '1.orgSignerInfo.orgName') === '新公司有限公司'
+                && data_get($signers, '1.orgSignerInfo.transactorInfo.psnAccount') === '13900139000'
+                && data_get($signers, '1.orgSignerInfo.transactorInfo.psnInfo.psnName') === '新法人';
+        });
+    }
+
+    public function test_deregistered_entity_change_rejects_missing_current_signer_before_creating_a_task(): void
+    {
+        Http::fake();
+        $payload = [
+            'idempotency_key' => 'entity-change-missing-current-signer',
+            'courier_name' => '新北中通',
+            'document_type' => 'entity-change',
+            'signing_subject' => $this->company->name,
+            'company_full_name' => $this->company->name,
+            'signature_date' => '2026-10-10',
+            'signing_deadline' => now()->addDays(7)->toDateString(),
+            'esign_account' => '13800138000',
+            'operator_name' => '原法人',
             'archive_mode' => 'auto',
             'entity_change_old_company_deregistered' => '1',
             'former_company_name' => '已注销原公司有限公司',
             'entity_change_date' => '2026-10-01',
             'changed_company_name' => '新公司有限公司',
             'changed_company_start_date' => '2026-10-10',
+            'secondary_esign_account' => '13900139000',
+            'secondary_operator_name' => '新法人',
         ];
 
-        $this->loginAs()->post(route('business.courier-agreement-signatures.store'), $payload)->assertRedirect();
-
-        $signature = CourierAgreementSignature::query()->firstOrFail();
-        $this->assertTrue($signature->payload['entity_change_old_company_deregistered']);
-        $this->assertSame('原法人', $signature->payload['former_legal_representative']);
-        $this->assertNull($signature->payload['secondary_esign_account'] ?? null);
-
-        Http::assertSent(function (ClientRequest $request): bool {
-            if ($request->url() !== 'https://smlopenapi.esign.test/v3/sign-flow/create-by-file') {
-                return false;
-            }
-
-            $signers = $request->data()['signers'] ?? [];
-
-            return count($signers) === 1
-                && data_get($signers, '0.signerType') === 0
-                && data_get($signers, '0.psnSignerInfo.psnAccount') === '13800138000'
-                && data_get($signers, '0.psnSignerInfo.psnInfo.psnName') === '原法人'
-                && data_get($signers, '0.orgSignerInfo') === null;
-        });
+        $this->withExceptionHandling()->loginAs();
+        foreach (['secondary_esign_account', 'secondary_operator_name'] as $field) {
+            $missing = $payload;
+            unset($missing[$field]);
+            $this->postJson(route('business.courier-agreement-signatures.store'), $missing)
+                ->assertStatus(422)
+                ->assertJsonValidationErrors($field);
+        }
+        $payload['secondary_esign_account'] = 'not-an-account';
+        $this->postJson(route('business.courier-agreement-signatures.store'), $payload)
+            ->assertStatus(422)
+            ->assertJsonValidationErrors('secondary_esign_account');
+        $this->assertDatabaseCount('business_courier_agreement_signatures', 0);
+        Http::assertNothingSent();
     }
 
     public function test_cooperation_contract_maps_party_variables_and_creates_two_signers(): void