diff --git a/backend/internal/database/dbContext.go b/backend/internal/database/dbContext.go
index 7b704a0..08676f8 100644
--- a/backend/internal/database/dbContext.go
+++ b/backend/internal/database/dbContext.go
@@ -3,41 +3,47 @@ package database
 import (
 	"context"
 
-	"github.com/jackc/pgx/v5/pgxpool"
-
 	"easywish/config"
+
+	"github.com/jackc/pgx/v5"
+	"github.com/jackc/pgx/v5/pgconn"
+	"github.com/jackc/pgx/v5/pgxpool"
 )
 
 type DbContext interface {
+	DBTX
 	Close()
+	BeginTx(ctx context.Context) (pgx.Tx, error)
 }
 
 type dbContextImpl struct {
 	Pool *pgxpool.Pool
-	Context    context.Context
 }
 
 func NewDbContext() DbContext {
-
-	ctx := context.Background()
-	pool, err := pgxpool.New(ctx, config.GetConfig().DatabaseUrl)
-
+	pool, err := pgxpool.New(context.Background(), config.GetConfig().DatabaseUrl)
 	if err != nil {
-		panic(err.Error())
-	}
-
-	if err := pool.Ping(context.Background()); err != nil {
-		panic(err.Error())
-	}
-
-	return &dbContextImpl{
-		Pool:       pool,
-		Context:    ctx,
+		panic("db connection failed: " + err.Error())
 	}
+	return &dbContextImpl{Pool: pool}
 }
 
-// Close implements DbContext.
 func (d *dbContextImpl) Close() {
 	d.Pool.Close()
 }
 
+func (d *dbContextImpl) Exec(ctx context.Context, sql string, args ...any) (pgconn.CommandTag, error) {
+	return d.Pool.Exec(ctx, sql, args...)
+}
+
+func (d *dbContextImpl) Query(ctx context.Context, sql string, args ...any) (pgx.Rows, error) {
+	return d.Pool.Query(ctx, sql, args...)
+}
+
+func (d *dbContextImpl) QueryRow(ctx context.Context, sql string, args ...any) pgx.Row {
+	return d.Pool.QueryRow(ctx, sql, args...)
+}
+
+func (d *dbContextImpl) BeginTx(ctx context.Context) (pgx.Tx, error) {
+	return d.Pool.Begin(ctx)
+}