diff --git a/apps/admin-web/src/pages/AdminEditorGenerationModel3dPricingSection.tsx b/apps/admin-web/src/pages/AdminEditorGenerationModel3dPricingSection.tsx
index 9530bd7e1..748b3900c 100644
--- a/apps/admin-web/src/pages/AdminEditorGenerationModel3dPricingSection.tsx
+++ b/apps/admin-web/src/pages/AdminEditorGenerationModel3dPricingSection.tsx
@@ -5,9 +5,9 @@ import type {
 import {
   EDITOR_MODEL3D_ENDPOINT_SECTIONS,
   editorModel3dAddOnLabel,
-  parsePositiveInteger,
   updateEditorModel3dEndpointPricing,
 } from './adminEditorGenerationPricing';
+import { parsePositiveInteger } from './pageUtils';
 
 /**
  * 一个模型版本的两个底价字段。两栏只有字段键与展示名不同，用描述表驱动渲染，
diff --git a/apps/admin-web/src/pages/AdminEditorGenerationPricingPage.tsx b/apps/admin-web/src/pages/AdminEditorGenerationPricingPage.tsx
index 2733688cd..14633d578 100644
--- a/apps/admin-web/src/pages/AdminEditorGenerationPricingPage.tsx
+++ b/apps/admin-web/src/pages/AdminEditorGenerationPricingPage.tsx
@@ -17,9 +17,8 @@ import { AdminEditorGenerationModel3dPricingSection } from './AdminEditorGenerat
 import {
   buildAdminEditorGenerationPricingRequest,
   collectInvalidEditorGenerationPricingLabels,
-  parsePositiveInteger,
 } from './adminEditorGenerationPricing';
-import { handlePageError } from './pageUtils';
+import { handlePageError, parsePositiveInteger } from './pageUtils';
 
 interface AdminEditorGenerationPricingPageProps {
   token: string;
diff --git a/apps/admin-web/src/pages/AdminProfileWalletConfigPage.tsx b/apps/admin-web/src/pages/AdminProfileWalletConfigPage.tsx
index bfc01d5f0..c6f2ffa56 100644
--- a/apps/admin-web/src/pages/AdminProfileWalletConfigPage.tsx
+++ b/apps/admin-web/src/pages/AdminProfileWalletConfigPage.tsx
@@ -7,7 +7,7 @@ import {
 } from '../api/adminApiClient';
 import type { ProfileWalletConfigAdminResponse } from '../api/adminApiTypes';
 import { useAdminWriteConfirm } from '../components/useAdminWriteConfirm';
-import { handlePageError } from './pageUtils';
+import { handlePageError, parsePositiveInteger } from './pageUtils';
 
 interface AdminProfileWalletConfigPageProps {
   token: string;
@@ -197,8 +197,3 @@ export function AdminProfileWalletConfigPage({
     </section>
   );
 }
-
-function parsePositiveInteger(value: string) {
-  const parsed = Number(value);
-  return Number.isSafeInteger(parsed) && parsed > 0 ? parsed : 0;
-}
diff --git a/apps/admin-web/src/pages/AdminRechargeProductPage.tsx b/apps/admin-web/src/pages/AdminRechargeProductPage.tsx
index 67eb38b88..3e2d06551 100644
--- a/apps/admin-web/src/pages/AdminRechargeProductPage.tsx
+++ b/apps/admin-web/src/pages/AdminRechargeProductPage.tsx
@@ -11,7 +11,7 @@ import type {
   ProfileRechargeProductKind,
 } from '../api/adminApiTypes';
 import { useAdminWriteConfirm } from '../components/useAdminWriteConfirm';
-import { handlePageError } from './pageUtils';
+import { handlePageError, parsePositiveInteger } from './pageUtils';
 
 interface AdminRechargeProductPageProps {
   token: string;
@@ -546,11 +546,6 @@ function formatPrice(priceCents: number) {
   return `¥${(priceCents / 100).toFixed(2)}`;
 }
 
-function parsePositiveInteger(value: string) {
-  const parsed = parseInteger(value);
-  return parsed > 0 ? parsed : 0;
-}
-
 function parseNonNegativeInteger(value: string) {
   const parsed = parseInteger(value);
   return parsed > 0 ? parsed : 0;
diff --git a/apps/admin-web/src/pages/AdminRedeemCodePage.tsx b/apps/admin-web/src/pages/AdminRedeemCodePage.tsx
index 1519bb867..6c586fb28 100644
--- a/apps/admin-web/src/pages/AdminRedeemCodePage.tsx
+++ b/apps/admin-web/src/pages/AdminRedeemCodePage.tsx
@@ -12,7 +12,7 @@ import type {
   ProfileRedeemCodeMode,
 } from '../api/adminApiTypes';
 import { useAdminWriteConfirm } from '../components/useAdminWriteConfirm';
-import { handlePageError, splitLines } from './pageUtils';
+import { handlePageError, parsePositiveInteger, splitLines } from './pageUtils';
 
 interface AdminRedeemCodePageProps {
   token: string;
@@ -422,11 +422,6 @@ export function AdminRedeemCodePage({
   );
 }
 
-function parsePositiveInteger(value: string) {
-  const parsed = Number.parseInt(value, 10);
-  return Number.isFinite(parsed) && parsed > 0 ? parsed : 0;
-}
-
 function redeemModeLabel(value: ProfileRedeemCodeMode) {
   return redeemModes.find((item) => item.value === value)?.label ?? value;
 }
diff --git a/apps/admin-web/src/pages/AdminTaskConfigPage.tsx b/apps/admin-web/src/pages/AdminTaskConfigPage.tsx
index 33026ce0a..febcbeced 100644
--- a/apps/admin-web/src/pages/AdminTaskConfigPage.tsx
+++ b/apps/admin-web/src/pages/AdminTaskConfigPage.tsx
@@ -19,7 +19,7 @@ import {
   filterAdminTrackingEventKeyOptions,
   findAdminTrackingEventDefinition,
 } from '../config/trackingEventDefinitions';
-import { handlePageError } from './pageUtils';
+import { handlePageError, parsePositiveInteger } from './pageUtils';
 
 interface AdminTaskConfigPageProps {
   token: string;
@@ -571,11 +571,6 @@ export function AdminTaskConfigPage({
   );
 }
 
-function parsePositiveInteger(value: string) {
-  const parsed = Number.parseInt(value, 10);
-  return Number.isFinite(parsed) && parsed > 0 ? parsed : 0;
-}
-
 function parseInteger(value: string) {
   const parsed = Number.parseInt(value, 10);
   return Number.isFinite(parsed) ? parsed : 0;
diff --git a/apps/admin-web/src/pages/adminEditorGenerationPricing.test.ts b/apps/admin-web/src/pages/adminEditorGenerationPricing.test.ts
index f0b62b7e2..028136244 100644
--- a/apps/admin-web/src/pages/adminEditorGenerationPricing.test.ts
+++ b/apps/admin-web/src/pages/adminEditorGenerationPricing.test.ts
@@ -5,8 +5,8 @@ import {
   buildAdminEditorGenerationPricingRequest,
   collectInvalidEditorGenerationPricingLabels,
   editorModel3dAddOnLabel,
-  parsePositiveInteger,
 } from './adminEditorGenerationPricing';
+import { parsePositiveInteger } from './pageUtils';
 
 function pricingFixture(): EditorGenerationPricingConfigPayload {
   return {
diff --git a/apps/admin-web/src/pages/adminEditorGenerationPricing.ts b/apps/admin-web/src/pages/adminEditorGenerationPricing.ts
index 69f0b0054..b25f4c777 100644
--- a/apps/admin-web/src/pages/adminEditorGenerationPricing.ts
+++ b/apps/admin-web/src/pages/adminEditorGenerationPricing.ts
@@ -31,14 +31,6 @@ export function editorModel3dAddOnLabel(addOn: string) {
   return EDITOR_MODEL3D_ADD_ON_LABELS[addOn] ?? addOn;
 }
 
-/** 输入框文本转整数；空串、非数字、小数、0 与负数一律收敛成 0，交给提交前校验拦住。 */
-export function parsePositiveInteger(value: string) {
-  // 用 Number 而不是 parseInt：parseInt 会把 `3.9` 截成 3、`12abc` 截成 12，
-  // 等于把编辑中的半截输入静默当成合法值存下去。
-  const parsed = Number(value);
-  return Number.isInteger(parsed) && parsed > 0 ? parsed : 0;
-}
-
 export function isPositiveMudPoints(value: number | null | undefined) {
   return typeof value === 'number' && Number.isInteger(value) && value >= 1;
 }
diff --git a/apps/admin-web/src/pages/pageUtils.ts b/apps/admin-web/src/pages/pageUtils.ts
index bea44fd7e..51a61cd3d 100644
--- a/apps/admin-web/src/pages/pageUtils.ts
+++ b/apps/admin-web/src/pages/pageUtils.ts
@@ -1,5 +1,18 @@
 import { formatAdminApiError, isAdminApiError } from '../api/adminApiClient';
 
+/**
+ * 泥点 / 积分类输入框文本转正整数：空串、非数字、小数、0 与负数一律收敛成 0，
+ * 由各页的提交前校验拦住。
+ *
+ * 用 `Number` 而不是 `parseInt`：`parseInt` 会把 `3.9` 截成 3、`12abc` 截成 12，
+ * 等于把编辑中的半截输入静默当成合法值存下去；再用 `isSafeInteger` 挡掉超出安全整数
+ * 范围的值（那种值在别处会被静默改写）。后台各页统一用这一份，不再各写一遍。
+ */
+export function parsePositiveInteger(value: string) {
+  const parsed = Number(value);
+  return Number.isSafeInteger(parsed) && parsed > 0 ? parsed : 0;
+}
+
 export function handlePageError(
   error: unknown,
   onUnauthorized: (message?: string) => void,