fix: some api bug

app/wallet/rpc/internal/models/schema/wallet.go

@@ -1,6 +1,8 @@
 package schema
 
 import (
+	"time"
+
 	"entgo.io/ent"
 	"entgo.io/ent/dialect"
 	"entgo.io/ent/schema/field"
@@ -17,7 +19,7 @@ type Wallet struct {
 // Fields of the Wallet.
 func (Wallet) Fields() []ent.Field {
 	return []ent.Field{
-		field.Int64("user_id").Immutable().Unique(),
+		field.Int64("id").StorageKey("user_id").Immutable().Unique(),
 		field.Other("balance", decimal.Decimal{}).
 			Default(defalutBalance).
 			SchemaType(map[string]string{
@@ -29,7 +31,7 @@ func (Wallet) Fields() []ent.Field {
 				dialect.Postgres: "decimal(12,2)",
 			}),
 		field.Int("version").Default(1),
-		field.Time("updated_at"),
+		field.Time("updated_at").Default(time.Now),
 	}
 }