diff --git a/messages/zh.json b/messages/zh.json
index b0d2cd9..886a5ea 100644
--- a/messages/zh.json
+++ b/messages/zh.json
@@ -624,7 +624,7 @@
             "remainingAmount": "剩余金额",
             "paymentId": "支付编号",
             "expirationDate": "过期日期",
-            "expirationDateProcessedAt": "过期日期处理时间",
+            "expirationDateProcessedAt": "过期处理时间",
             "createdAt": "创建时间",
             "updatedAt": "更新时间"
           },
diff --git a/src/actions/consume-credits.ts b/src/actions/consume-credits.ts
new file mode 100644
index 0000000..b9a7210
--- /dev/null
+++ b/src/actions/consume-credits.ts
@@ -0,0 +1,43 @@
+'use server';
+
+import { consumeCredits } from '@/credits/credits';
+import { getSession } from '@/lib/server';
+import { createSafeActionClient } from 'next-safe-action';
+import { z } from 'zod';
+
+const actionClient = createSafeActionClient();
+
+// consume credits schema
+const consumeSchema = z.object({
+  amount: z.number().min(1),
+  description: z.string().optional(),
+});
+
+/**
+ * Consume credits
+ */
+export const consumeCreditsAction = actionClient
+  .schema(consumeSchema)
+  .action(async ({ parsedInput }) => {
+    const session = await getSession();
+    if (!session) {
+      console.warn('unauthorized request to consume credits');
+      return { success: false, error: 'Unauthorized' };
+    }
+
+    try {
+      await consumeCredits({
+        userId: session.user.id,
+        amount: parsedInput.amount,
+        description:
+          parsedInput.description || `Consume credits: ${parsedInput.amount}`,
+      });
+      return { success: true };
+    } catch (error) {
+      console.error('consume credits error:', error);
+      return {
+        success: false,
+        error: error instanceof Error ? error.message : 'Something went wrong',
+      };
+    }
+  });
diff --git a/src/actions/credits.action.ts b/src/actions/credits.action.ts
deleted file mode 100644
index 6b68cb4..0000000
--- a/src/actions/credits.action.ts
+++ /dev/null
@@ -1,61 +0,0 @@
-'use server';
-
-import {
-  addMonthlyFreeCredits,
-  addRegisterGiftCredits,
-  consumeCredits,
-  getUserCredits,
-} from '@/credits/credits';
-import { getSession } from '@/lib/server';
-import { createSafeActionClient } from 'next-safe-action';
-import { z } from 'zod';
-
-const actionClient = createSafeActionClient();
-
-// get current user's credits
-export const getCreditsAction = actionClient.action(async () => {
-  const session = await getSession();
-  if (!session) return { success: false, error: 'Unauthorized' };
-  const credits = await getUserCredits(session.user.id);
-  return { success: true, credits };
-});
-
-// add register gift credits (for testing)
-export const addRegisterCreditsAction = actionClient.action(async () => {
-  const session = await getSession();
-  if (!session) return { success: false, error: 'Unauthorized' };
-  await addRegisterGiftCredits(session.user.id);
-  return { success: true };
-});
-
-// add monthly free credits (for testing)
-export const addMonthlyCreditsAction = actionClient.action(async () => {
-  const session = await getSession();
-  if (!session) return { success: false, error: 'Unauthorized' };
-  await addMonthlyFreeCredits(session.user.id);
-  return { success: true };
-});
-
-// consume credits (simulate button)
-const consumeSchema = z.object({
-  amount: z.number().min(1),
-  description: z.string().optional(),
-});
-
-export const consumeCreditsAction = actionClient
-  .schema(consumeSchema)
-  .action(async ({ parsedInput }) => {
-    const session = await getSession();
-    if (!session) return { success: false, error: 'Unauthorized' };
-    try {
-      await consumeCredits({
-        userId: session.user.id,
-        amount: parsedInput.amount,
-        description:
-          parsedInput.description || `Consume credits: ${parsedInput.amount}`,
-      });
-      return { success: true };
-    } catch (e) {
-      return { success: false, error: (e as Error).message };
-    }
-  });
diff --git a/src/actions/get-credit-balance.ts b/src/actions/get-credit-balance.ts
new file mode 100644
index 0000000..1e0b6ba
--- /dev/null
+++ b/src/actions/get-credit-balance.ts
@@ -0,0 +1,21 @@
+'use server';
+
+import { getUserCredits } from '@/credits/credits';
+import { getSession } from '@/lib/server';
+import { createSafeActionClient } from 'next-safe-action';
+
+const actionClient = createSafeActionClient();
+
+/**
+ * Get current user's credits
+ */
+export const getCreditBalanceAction = actionClient.action(async () => {
+  const session = await getSession();
+  if (!session) {
+    console.warn('unauthorized request to get credit balance');
+    return { success: false, error: 'Unauthorized' };
+  }
+
+  const credits = await getUserCredits(session.user.id);
+  return { success: true, credits };
+});
diff --git a/src/actions/get-credit-transactions.ts b/src/actions/get-credit-transactions.ts
index 65dd504..61d9b82 100644
--- a/src/actions/get-credit-transactions.ts
+++ b/src/actions/get-credit-transactions.ts
@@ -45,11 +45,13 @@ export const getCreditTransactionsAction = actionClient
     try {
       const { pageIndex, pageSize, search, sorting } = parsedInput;
 
+      // search by type, amount, paymentId, description
       const where = search
         ? or(
-            ilike(creditTransaction.description, `%${search}%`),
             ilike(creditTransaction.type, `%${search}%`),
-            ilike(creditTransaction.paymentId, `%${search}%`)
+            ilike(creditTransaction.amount, `%${search}%`),
+            ilike(creditTransaction.paymentId, `%${search}%`),
+            ilike(creditTransaction.description, `%${search}%`)
           )
         : undefined;
 
diff --git a/src/components/layout/credits-balance-button.tsx b/src/components/layout/credits-balance-button.tsx
index 03cb9da..07f6763 100644
--- a/src/components/layout/credits-balance-button.tsx
+++ b/src/components/layout/credits-balance-button.tsx
@@ -1,6 +1,6 @@
 'use client';
 
-import { getCreditsAction } from '@/actions/credits.action';
+import { getCreditBalanceAction } from '@/actions/get-credit-balance';
 import { Button } from '@/components/ui/button';
 import { useLocaleRouter } from '@/i18n/navigation';
 import { Routes } from '@/routes';
@@ -17,7 +17,7 @@ export function CreditsBalanceButton() {
   useEffect(() => {
     const fetchCredits = async () => {
       try {
-        const result = await getCreditsAction();
+        const result = await getCreditBalanceAction();
         if (result?.data?.success && result.data.credits !== undefined) {
           setCredits(result.data.credits);
         }
diff --git a/src/components/layout/credits-balance-menu.tsx b/src/components/layout/credits-balance-menu.tsx
index 160cd37..ad0c4a1 100644
--- a/src/components/layout/credits-balance-menu.tsx
+++ b/src/components/layout/credits-balance-menu.tsx
@@ -1,6 +1,6 @@
 'use client';
 
-import { getCreditsAction } from '@/actions/credits.action';
+import { getCreditBalanceAction } from '@/actions/get-credit-balance';
 import { useLocaleRouter } from '@/i18n/navigation';
 import { Routes } from '@/routes';
 import { useTransactionStore } from '@/stores/transaction-store';
@@ -18,7 +18,7 @@ export function CreditsBalanceMenu() {
   useEffect(() => {
     const fetchCredits = async () => {
       try {
-        const result = await getCreditsAction();
+        const result = await getCreditBalanceAction();
         if (result?.data?.success && result.data.credits !== undefined) {
           setCredits(result.data.credits);
         }
diff --git a/src/components/settings/credits/credit-packages.tsx b/src/components/settings/credits/credit-packages.tsx
index e13f733..f7e31c0 100644
--- a/src/components/settings/credits/credit-packages.tsx
+++ b/src/components/settings/credits/credit-packages.tsx
@@ -1,6 +1,6 @@
 'use client';
 
-import { getCreditsAction } from '@/actions/credits.action';
+import { getCreditBalanceAction } from '@/actions/get-credit-balance';
 import { Badge } from '@/components/ui/badge';
 import {
   Card,
@@ -44,7 +44,7 @@ export function CreditPackages() {
   const fetchCredits = async () => {
     try {
       setLoadingCredits(true);
-      const result = await getCreditsAction();
+      const result = await getCreditBalanceAction();
       if (result?.data?.success) {
         console.log('CreditPackages, fetched credits:', result.data.credits);
         setCredits(result.data.credits || 0);
diff --git a/src/payment/provider/stripe.ts b/src/payment/provider/stripe.ts
index d364ee7..fb4f490 100644
--- a/src/payment/provider/stripe.ts
+++ b/src/payment/provider/stripe.ts
@@ -828,7 +828,7 @@ export class StripeProvider implements PaymentProvider {
         userId,
         amount: Number.parseInt(credits),
         type: CREDIT_TRANSACTION_TYPE.PURCHASE,
-        description: `+${credits} credits for package ${packageId} (${amount})`,
+        description: `+${credits} credits for package ${packageId} ($${amount.toLocaleString()})`,
         paymentId: session.id,
         expireDays: creditPackage.expireDays,
       });