diff --git a/_demo/sqlite/sqlite.go b/_demo/sqlite/sqlite.go
index bce4f713..9dc4dc0f 100644
--- a/_demo/sqlite/sqlite.go
+++ b/_demo/sqlite/sqlite.go
@@ -9,31 +9,31 @@ func main() {
 	c.Remove(c.Str("test.db"))
 
 	db, err := sqlite.Open(c.Str("test.db"))
-	check(err, "sqlite: OpenV2")
+	check(err, db, "sqlite: Open")
 
-	err = db.Exec(c.Str("CREATE TABLE foo (id INT, name TEXT)"), nil, nil, nil)
-	check(err, "sqlite: Exec CREATE TABLE")
+	err = db.Exec(c.Str("CREATE TABLE users (id INTEGER PRIMARY KEY, name TEXT)"), nil, nil, nil)
+	check(err, db, "sqlite: Exec CREATE TABLE")
 
-	stmt, err := db.PrepareV3("INSERT INTO foo (id, name) VALUES (?, ?)", 0, nil)
-	check(err, "sqlite: PrepareV3 INSERT")
+	stmt, err := db.PrepareV3("INSERT INTO users (id, name) VALUES (?, ?)", 0, nil)
+	check(err, db, "sqlite: PrepareV3 INSERT")
 
 	stmt.BindInt(1, 100)
 	stmt.BindText(2, c.Str("Hello World"), -1, nil)
 
 	err = stmt.Step()
-	checkDone(err, "sqlite: Step INSERT 1")
+	checkDone(err, db, "sqlite: Step INSERT 1")
 
 	stmt.Reset()
 	stmt.BindInt(1, 200)
 	stmt.BindText(2, c.Str("This is llgo"), -1, nil)
 
 	err = stmt.Step()
-	checkDone(err, "sqlite: Step INSERT 2")
+	checkDone(err, db, "sqlite: Step INSERT 2")
 
 	stmt.Close()
 
-	stmt, err = db.PrepareV3("SELECT * FROM foo", 0, nil)
-	check(err, "sqlite: PrepareV3 SELECT")
+	stmt, err = db.PrepareV3("SELECT * FROM users", 0, nil)
+	check(err, db, "sqlite: PrepareV3 SELECT")
 
 	for {
 		if err = stmt.Step(); err != sqlite.HasRow {
@@ -41,21 +41,21 @@ func main() {
 		}
 		c.Printf(c.Str("==> id=%d, name=%s\n"), stmt.ColumnInt(0), stmt.ColumnText(1))
 	}
-	checkDone(err, "sqlite: Step done")
+	checkDone(err, db, "sqlite: Step done")
 
 	stmt.Close()
 	db.Close()
 }
 
-func check(err sqlite.Errno, at string) {
+func check(err sqlite.Errno, db *sqlite.Sqlite3, at string) {
 	if err != sqlite.OK {
-		c.Printf(c.Str("==> %s Error: (%d) %s\n"), c.AllocaCStr(at), err, err.Errstr())
+		c.Printf(c.Str("==> %s Error: (%d) %s\n"), c.AllocaCStr(at), err, db.Errmsg())
 		c.Exit(1)
 	}
 }
 
-func checkDone(err sqlite.Errno, at string) {
+func checkDone(err sqlite.Errno, db *sqlite.Sqlite3, at string) {
 	if err != sqlite.Done {
-		check(err, at)
+		check(err, db, at)
 	}
 }