diff --git a/src/backend/JDSpiders/Spider/createDB.sql b/src/backend/JDSpiders/Spider/createDB.sql
new file mode 100644
index 0000000..9585140
--- /dev/null
+++ b/src/backend/JDSpiders/Spider/createDB.sql
@@ -0,0 +1,252 @@
+CREATE DATABASE IF NOT EXISTS computer_accessories;
+USE computer_accessories;
+
+DROP TABLE IF EXISTS `cpu`;
+CREATE TABLE `cpu` (
+  `id` int(11) DEFAULT 0,
+  `name` varchar(255) DEFAULT NULL,
+  `comment_num` INT DEFAULT 100,
+  `praise_rate` INT DEFAULT 90,
+  `shop_name` varchar(255) DEFAULT NULL,
+  `price` INT DEFAULT 0,
+  `link` varchar(255) NOT NULL,
+  `brand` varchar(255) DEFAULT NULL,
+  `tags` varchar(255) DEFAULT NULL,
+  `clock_speed` varchar(255) DEFAULT NULL,
+  `core_num` varchar(255) DEFAULT NULL,
+  `TDP` INT DEFAULT 0,
+  `socket` varchar(255) DEFAULT NULL,
+  `have_core_graphics_card` varchar(255) DEFAULT NULL,
+  `have_cpu_fan` varchar(255) DEFAULT NULL,
+  `generation` INT DEFAULT 0,
+  `introduction` JSON,
+  `Ptable_params` JSON,
+  `title_name` varchar(255) DEFAULT NULL,
+  PRIMARY KEY (`link`)
+) ENGINE=InnoDB AUTO_INCREMENT=38 DEFAULT CHARSET=utf8mb4, COLLATE=utf8mb4_general_ci;
+truncate cpu; 
+
+DROP TABLE IF EXISTS `motherboard`;
+CREATE TABLE `motherboard` (
+  `id` int(11) DEFAULT 0,
+  `name` varchar(255) DEFAULT NULL,
+  `comment_num` INT DEFAULT 100,
+  `praise_rate` INT DEFAULT 90,
+  `shop_name` varchar(255) DEFAULT NULL,
+  `price` INT DEFAULT 0,
+  `link` varchar(255) NOT NULL,
+  `brand` varchar(255) DEFAULT NULL,
+  `tags` varchar(255) DEFAULT NULL,
+  `form_factor` varchar(255) DEFAULT NULL,
+  `platform` varchar(255) DEFAULT NULL, 
+  `cpu_socket` varchar(255) DEFAULT NULL, 
+  `m2_num` INT DEFAULT 0, 
+  `slot_num` INT DEFAULT 0, 
+  `ddr_gen` varchar(255) DEFAULT NULL,
+  `max_memory` INT DEFAULT 0,
+  `introduction` JSON,
+  `Ptable_params` JSON,
+  `title_name` varchar(255) DEFAULT NULL,
+  PRIMARY KEY (`link`)
+) ENGINE=InnoDB AUTO_INCREMENT=38 DEFAULT CHARSET=utf8mb4, COLLATE=utf8mb4_general_ci;
+truncate motherboard; 
+
+DROP TABLE IF EXISTS `graphics_card`;
+CREATE TABLE `graphics_card` (
+  `id` int(11) DEFAULT 0,
+  `name` varchar(255) DEFAULT NULL,
+  `comment_num` INT DEFAULT 100,
+  `praise_rate` INT DEFAULT 90,
+  `shop_name` varchar(255) DEFAULT NULL,
+  `price` INT DEFAULT 0,
+  `link` varchar(255) NOT NULL,
+  `brand` varchar(255) DEFAULT NULL,
+  `tags` varchar(255) DEFAULT NULL,
+  `card_length` float DEFAULT 0,
+  `rgb` varchar(255) DEFAULT NULL,
+  `card_type` varchar(255) DEFAULT NULL,
+  `generation` INT DEFAULT 0,
+  `introduction` JSON,
+  `Ptable_params` JSON,
+  `title_name` varchar(255) DEFAULT NULL,
+  PRIMARY KEY (`link`)
+) ENGINE=InnoDB AUTO_INCREMENT=38 DEFAULT CHARSET=utf8mb4, COLLATE=utf8mb4_general_ci;
+truncate graphics_card; 
+
+DROP TABLE IF EXISTS `memory`;
+CREATE TABLE `memory` (
+  `id` int(11) DEFAULT 0,
+  `name` varchar(255) DEFAULT NULL,
+  `comment_num` INT DEFAULT 100,
+  `praise_rate` INT DEFAULT 90,
+  `shop_name` varchar(255) DEFAULT NULL,
+  `price` INT DEFAULT 0,
+  `link` varchar(255) NOT NULL,
+  `brand` varchar(255) DEFAULT NULL,
+  `frequency` varchar(255) DEFAULT NULL,
+  `total_capacity` INT DEFAULT 0,
+  `memory_num` varchar(255) DEFAULT NULL,
+  `appearance` varchar(255) DEFAULT NULL,
+  `ddr_gen` varchar(255) DEFAULT NULL,
+  `introduction` JSON,
+  `Ptable_params` JSON,
+  `title_name` varchar(255) DEFAULT NULL,
+  PRIMARY KEY (`link`)
+) ENGINE=InnoDB AUTO_INCREMENT=38 DEFAULT CHARSET=utf8mb4, COLLATE=utf8mb4_general_ci;
+truncate memory; 
+
+DROP TABLE IF EXISTS `cpu_radiator`;
+CREATE TABLE `cpu_radiator` (
+  `id` int(11) DEFAULT 0,
+  `name` varchar(255) DEFAULT NULL,
+  `comment_num` INT DEFAULT 100,
+  `praise_rate` INT DEFAULT 90,
+  `shop_name` varchar(255) DEFAULT NULL,
+  `price` INT DEFAULT 0,
+  `link` varchar(255) NOT NULL,
+  `brand` varchar(255) DEFAULT NULL,
+  `height` INT DEFAULT 0,
+  `socket` varchar(255) DEFAULT NULL,
+  `radiator_size` INT DEFAULT 0,
+  `rgb` varchar(255) DEFAULT NULL,
+  `introduction` JSON,
+  `Ptable_params` JSON,
+  `title_name` varchar(255) DEFAULT NULL,
+  PRIMARY KEY (`link`)
+) ENGINE=InnoDB AUTO_INCREMENT=38 DEFAULT CHARSET=utf8mb4, COLLATE=utf8mb4_general_ci;
+truncate cpu_radiator; 
+
+DROP TABLE IF EXISTS `ssd`;
+CREATE TABLE `ssd` (
+  `id` int(11) DEFAULT 0,
+  `name` varchar(255) DEFAULT NULL,
+  `comment_num` INT DEFAULT 100,
+  `praise_rate` INT DEFAULT 90,
+  `shop_name` varchar(255) DEFAULT NULL,
+  `price` INT DEFAULT 0,
+  `link` varchar(255) NOT NULL,
+  `brand` varchar(255) DEFAULT NULL,
+  `interface` varchar(255) DEFAULT NULL,
+  `total_capacity` FLOAT DEFAULT 0,
+  `introduction` JSON,
+  `Ptable_params` JSON,
+  `title_name` varchar(255) DEFAULT NULL,
+  PRIMARY KEY (`link`)
+) ENGINE=InnoDB AUTO_INCREMENT=38 DEFAULT CHARSET=utf8mb4, COLLATE=utf8mb4_general_ci;
+truncate ssd; 
+
+DROP TABLE IF EXISTS `hdd`;
+CREATE TABLE `hdd` (
+  `id` int(11) DEFAULT 0,
+  `name` varchar(255) DEFAULT NULL,
+  `comment_num` INT DEFAULT 100,
+  `praise_rate` INT DEFAULT 90,
+  `shop_name` varchar(255) DEFAULT NULL,
+  `price` INT DEFAULT 0,
+  `link` varchar(255) NOT NULL,
+  `brand` varchar(255) DEFAULT NULL,
+  `size` varchar(255) DEFAULT NULL,
+  `rotating_speed` varchar(255) DEFAULT NULL,
+  `total_capacity` FLOAT DEFAULT 0,
+  `introduction` JSON,
+  `Ptable_params` JSON,
+  `title_name` varchar(255) DEFAULT NULL,
+  PRIMARY KEY (`link`)
+) ENGINE=InnoDB AUTO_INCREMENT=38 DEFAULT CHARSET=utf8mb4, COLLATE=utf8mb4_general_ci;
+truncate hdd; 
+
+DROP TABLE IF EXISTS `power_supply`;
+CREATE TABLE `power_supply` (
+  `id` int(11) DEFAULT 0,
+  `name` varchar(255) DEFAULT NULL,
+  `comment_num` INT DEFAULT 100,
+  `praise_rate` INT DEFAULT 90,
+  `shop_name` varchar(255) DEFAULT NULL,
+  `price` INT DEFAULT 0,
+  `link` varchar(255) NOT NULL,
+  `brand` varchar(255) DEFAULT NULL,
+  `tags` varchar(255) DEFAULT NULL,
+  `power` INT DEFAULT 0,
+  `size` varchar(255) DEFAULT NULL,
+  `modularization` varchar(255) DEFAULT NULL,
+  `transfer_efficiency` varchar(255) DEFAULT NULL,
+  `introduction` JSON,
+  `Ptable_params` JSON,
+  `title_name` varchar(255) DEFAULT NULL,
+  PRIMARY KEY (`link`)
+) ENGINE=InnoDB AUTO_INCREMENT=38 DEFAULT CHARSET=utf8mb4, COLLATE=utf8mb4_general_ci;
+truncate power_supply; 
+
+DROP TABLE IF EXISTS `computer_case`;
+CREATE TABLE `computer_case` (
+  `id` int(11) DEFAULT 0,
+  `name` varchar(255) DEFAULT NULL,
+  `comment_num` INT DEFAULT 100,
+  `praise_rate` INT DEFAULT 90,
+  `shop_name` varchar(255) DEFAULT NULL,
+  `price` INT DEFAULT 0,
+  `link` varchar(255) NOT NULL,
+  `brand` varchar(255) DEFAULT NULL,
+  `max_form_factor` varchar(255) DEFAULT NULL,
+  `max_card_len` INT DEFAULT 0,
+  `max_radiator_height` INT DEFAULT 0,
+  `supported_radiator` varchar(255) DEFAULT NULL,
+  `has_transparent_side_panel` INT DEFAULT 0,
+  `introduction` JSON,
+  `Ptable_params` JSON,
+  `title_name` varchar(255) DEFAULT NULL,
+  PRIMARY KEY (`link`)
+) ENGINE=InnoDB AUTO_INCREMENT=38 DEFAULT CHARSET=utf8mb4, COLLATE=utf8mb4_general_ci;
+truncate computer_case; 
+
+DROP TABLE IF EXISTS `board_u_suit`;
+CREATE TABLE `board_u_suit` (
+  `id` int(11) DEFAULT 0,
+  `name` varchar(255) DEFAULT NULL,
+  `board` varchar(255) DEFAULT NULL,
+  `cpu` varchar(255) DEFAULT NULL,
+  `shop_name` varchar(255) DEFAULT NULL,
+  `price` INT DEFAULT 0,
+  `link` varchar(255) NOT NULL,
+  `introduction` JSON,
+  `Ptable_params` JSON,
+  `title_name` varchar(255) DEFAULT NULL,
+  PRIMARY KEY (`link`)
+) ENGINE=InnoDB AUTO_INCREMENT=38 DEFAULT CHARSET=utf8mb4, COLLATE=utf8mb4_general_ci;
+truncate board_u_suit; 
+
+DROP TABLE IF EXISTS `trendings`;
+CREATE TABLE `trendings` (
+  `id` varchar(255) NOT NULL,
+  `frequency` int(11) DEFAULT 0,
+  `cpu` varchar(255) NOT NULL,
+  `cpu_price` int(11) DEFAULT 0,
+  `cpu_link` varchar(255) NOT NULL,
+  `motherboard` varchar(255) NOT NULL,
+  `motherboard_price` int(11) DEFAULT 0,
+  `motherboard_link` varchar(255) NOT NULL,
+  `GPU` varchar(255) NOT NULL,
+  `GPU_price` int(11) DEFAULT 0,
+  `GPU_link` varchar(255) NOT NULL,
+  `memory` varchar(255) NOT NULL,
+  `memory_price` int(11) DEFAULT 0,
+  `memory_link` varchar(255) NOT NULL,
+  `CPURadiator` varchar(255) NOT NULL,
+  `CPURadiator_price` int(11) DEFAULT 0,
+  `CPURadiator_link` varchar(255) NOT NULL,
+  `ssd` varchar(255) NOT NULL,
+  `ssd_price` int(11) DEFAULT 0,
+  `ssd_link` varchar(255) NOT NULL,
+  `hdd` varchar(255) NOT NULL,
+  `hdd_price` int(11) DEFAULT 0,
+  `hdd_link` varchar(255) NOT NULL,
+  `powerSupply` varchar(255) NOT NULL,
+  `powerSupply_price` int(11) DEFAULT 0,
+  `powerSupply_link` varchar(255) NOT NULL,
+  `case` varchar(255) NOT NULL,
+  `case_price` int(11) DEFAULT 0,
+  `case_link` varchar(255) NOT NULL,
+  `totalPrice` int(11) DEFAULT 0,
+  PRIMARY KEY (`id`)
+) ENGINE=InnoDB AUTO_INCREMENT=38 DEFAULT CHARSET=utf8mb4, COLLATE=utf8mb4_general_ci;
+truncate trendings;
\ No newline at end of file