实现敏感词检测后，失败发生邮箱

schoolNewsServ/.bin/mysql/sql/createTableSensitive.sql

@@ -3,8 +3,8 @@ use school_news;
 DROP TABLE IF EXISTS `tb_sensitive_word`;
 CREATE TABLE `tb_sensitive_word` (
   `id` int(11) NOT NULL AUTO_INCREMENT,
-  `word` varchar(255) NOT NULL COMMENT '敏感词',
-  `type` VARCHAR(10) NOT NULL COMMENT '类型allow\deny'
+  `word` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin NOT NULL COMMENT '敏感词',
+  `type` varchar(10) NOT NULL COMMENT '类型：allow-允许词，deny-禁用词',
   PRIMARY KEY (`id`),
-  UNIQUE KEY `word` (`word`)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='敏感词表';
+  UNIQUE KEY `uk_word` (`word`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin COMMENT='敏感词表';