update curd & code logic

opencatd/db/cat.go

@@ -100,7 +100,7 @@ func deleteUser(c *gin.Context) {
 }
 
 func initDB() {
-	db, err := sql.Open("sqlite3", "test.db")
+	db, err := sql.Open("sqlite3", "./db/cat.db")
 	if err != nil {
 		log.Fatal(err)
 	}