bug fixed

README.md

 {"ex":{"exClass":"org.springframework.dao.DataIntegrityViolationException","message":"could not execute statement; SQL [n/a]; constraint [PRIMARY]; nested exception is org.hibernate.exception.ConstraintViolationException: could not execute statement"},"exCause":{"causeBy":"org.hibernate.exception.ConstraintViolationException","message":"could not execute statement"}}
 
 #5.insert 唯一索引冲突
-{"ex":{"exClass":"org.springframework.dao.DataIntegrityViolationException","message":"could not execute statement; SQL [n/a]; constraint [PRIMARY]; nested exception is org.hibernate.exception.ConstraintViolationException: could not execute statement"},"exCause":{"causeBy":"org.hibernate.exception.ConstraintViolationException","message":"could not execute statement"}}
+{"ex":{"exClass":"org.springframework.dao.DataIntegrityViolationException","message":"could not execute statement; SQL [n/a]; constraint [idx_email]; nested exception is org.hibernate.exception.ConstraintViolationException: could not execute statement"},"exCause":{"causeBy":"org.hibernate.exception.ConstraintViolationException","message":"could not execute statement"}}
 
 #6. update 无主键
 {"ex":{"exClass":"org.springframework.orm.jpa.JpaSystemException","message":"ids for this class must be manually assigned before calling save(): ltass.staudy.spring.data.jpa.entity.User; nested exception is org.hibernate.id.IdentifierGenerationException: ids for this class must be manually assigned before calling save(): ltass.staudy.spring.data.jpa.entity.User"},"exCause":{"causeBy":"org.hibernate.id.IdentifierGenerationException","message":"ids for this class must be manually assigned before calling save(): ltass.staudy.spring.data.jpa.entity.User"}}
 {"ex":{"exClass":"org.springframework.orm.ObjectOptimisticLockingFailureException","message":"Object of class [ltass.staudy.spring.data.jpa.entity.User] with identifier [1]: optimistic locking failed; nested exception is org.hibernate.StaleObjectStateException: Row was updated or deleted by another transaction (or unsaved-value mapping was incorrect) : [ltass.staudy.spring.data.jpa.entity.User#1]"},"exCause":{"causeBy":"org.hibernate.StaleObjectStateException","message":"Row was updated or deleted by another transaction (or unsaved-value mapping was incorrect) : [ltass.staudy.spring.data.jpa.entity.User#1]"}}
 
 #10. update 唯一索引冲突
-{"ex":{"exClass":"org.springframework.dao.DataIntegrityViolationException","message":"could not execute statement; SQL [n/a]; constraint [PRIMARY]; nested exception is org.hibernate.exception.ConstraintViolationException: could not execute statement"},"exCause":{"causeBy":"org.hibernate.exception.ConstraintViolationException","message":"could not execute statement"}}
+{"ex":{"exClass":"org.springframework.dao.DataIntegrityViolationException","message":"could not execute statement; SQL [n/a]; constraint [idx_email]; nested exception is org.hibernate.exception.ConstraintViolationException: could not execute statement"},"exCause":{"causeBy":"org.hibernate.exception.ConstraintViolationException","message":"could not execute statement"}}

src/main/java/ltass/staudy/spring/data/jpa/controller/TestController.java

     @GetMapping("/user/insert/error/conflict_unique")
     public String insertErrorConflictUnique() {
         User user = new User();
-        user.setId(1L);
+        user.setId(9L);
         user.setNickName("nickName");
         user.setName("myName");
         user.setEmail("email");
         user.setName("myName");
         user.setEmail("email2");
         user.setDelFlag(0);
+        user.setVerNo(0);
         user.setRegisterDatetime("2019/01/01 01:01:00");
         user.setRegisterUserId(1L);
         user.setRegisterProcess("web");