diff --git a/fastapi-python/main.py b/fastapi-python/main.py
index ac14cd2..af6d4c4 100644
--- a/fastapi-python/main.py
+++ b/fastapi-python/main.py
@@ -11,8 +11,8 @@ class Transfer(BaseModel):
 app = FastAPI()
 
 accounts = {
-    '1': 1000,
-    '2': 1000,
+    '1': {'amount': 1000},
+    '2': {'amount': 1000},
 }
 
 transactions: list[Transfer] = []
diff --git a/go-stdlib/main.go b/go-stdlib/main.go
index 7c5952f..a0c4f01 100644
--- a/go-stdlib/main.go
+++ b/go-stdlib/main.go
@@ -13,9 +13,13 @@ type Transfer struct {
 	Receiver int    `json:"receiver"`
 }
 
-var accounts = map[int]int{
-	1: 1000,
-	2: 1000,
+type Account struct {
+	Amount int `json:"amount"`
+}
+
+var accounts = map[int]Account{
+	1: {Amount: 1000},
+	2: {Amount: 1000},
 }
 
 var transactions = []Transfer{}
diff --git a/hono/src/index.ts b/hono/src/index.ts
index 0ed3340..e1574ff 100644
--- a/hono/src/index.ts
+++ b/hono/src/index.ts
@@ -31,6 +31,6 @@ app.post('/transfer', async (c) => {
 serve({
   fetch: app.fetch,
   port: 3000
-}, (info) => {
-  console.log(`Server is running on http://localhost:${info.port}`)
+}, (server) => {
+  console.log(`Server is running on http://localhost:${server.port}`)
 })