diff --git a/gan-modules/ruoyi-gan/src/main/java/com/ruoyi/app/controller/AppLoginController.java b/gan-modules/ruoyi-gan/src/main/java/com/ruoyi/app/controller/AppLoginController.java
index 1b4898b..482ecdd 100644
--- a/gan-modules/ruoyi-gan/src/main/java/com/ruoyi/app/controller/AppLoginController.java
+++ b/gan-modules/ruoyi-gan/src/main/java/com/ruoyi/app/controller/AppLoginController.java
@@ -87,7 +87,7 @@ public class AppLoginController {
         AppSchool appSchool = schoolService.selectAppSchoolById(
                 registerForm.getSchoolId()
         );
-        Assert.isNull(appSchool, "学校不存在！");
+        Assert.notNull(appSchool, "学校不存在！");
 
         String email = registerForm.getEmail();
         if (StringUtils.isNotEmpty(email) && appSchool.getEmail() != null && appSchool.getEmail().equals(email.substring(email.indexOf("@") + 1,email.length()))) {