diff --git a/backend/src/test/java/cn/thoughtworks/school/HomeworkBase.java b/backend/src/test/java/cn/thoughtworks/school/HomeworkBase.java
index 005a70997c84046211d07946868be7314259960f..379a1cf7a9eb36e3fc2c829437e959b4267fafbb 100644
--- a/backend/src/test/java/cn/thoughtworks/school/HomeworkBase.java
+++ b/backend/src/test/java/cn/thoughtworks/school/HomeworkBase.java
@@ -21,7 +21,7 @@ import org.springframework.web.context.WebApplicationContext;
 @Ignore
 @SpringBootTest(classes = Application.class)
 @RunWith(SpringRunner.class)
-@AutoConfigureStubRunner(ids = "cn.thoughtworks.school:userCenterBackend:+:stubs:10001", repositoryRoot = "http://ec2-52-80-187-205.cn-north-1.compute.amazonaws.com.cn:8081/repository/maven-snapshots/")
+@AutoConfigureStubRunner(ids = "cn.thoughtworks.school:userCenterBackend:+:stubs:10001", repositoryRoot = "http://ec2-54-222-235-15.cn-north-1.compute.amazonaws.com.cn:8081/repository/maven-snapshots/")
 @ActiveProfiles("test")
 
 public class HomeworkBase {
diff --git a/backend/src/test/java/cn/thoughtworks/school/MyStudentBase.java b/backend/src/test/java/cn/thoughtworks/school/MyStudentBase.java
index 991f3c080386ba7345ddaab4da6654a1edb0c011..ee17d0df86b0f7c56a4d7b92e8ce5b8c02a05656 100644
--- a/backend/src/test/java/cn/thoughtworks/school/MyStudentBase.java
+++ b/backend/src/test/java/cn/thoughtworks/school/MyStudentBase.java
@@ -17,7 +17,7 @@ import org.springframework.web.context.WebApplicationContext;
 @Ignore
 @RunWith(SpringRunner.class)
 @SpringBootTest(classes = Application.class)
-@AutoConfigureStubRunner(ids = "cn.thoughtworks.school:backend:+:stubs:10002", repositoryRoot = "http://ec2-52-80-187-205.cn-north-1.compute.amazonaws.com.cn:8081/repository/maven-snapshots/")
+@AutoConfigureStubRunner(ids = "cn.thoughtworks.school:backend:+:stubs:10002", repositoryRoot = "http://ec2-54-222-235-15.cn-north-1.compute.amazonaws.com.cn:8081/repository/maven-snapshots/")
 @ActiveProfiles("test")
 public class MyStudentBase {
     @Autowired
diff --git a/backend/src/test/java/cn/thoughtworks/school/ProgramBase.java b/backend/src/test/java/cn/thoughtworks/school/ProgramBase.java
index 76e272877a7a801fdd66a2c79933aad70a5a5ba4..f45597521cb1fc0e23ce843def70dde5cb4612a8 100644
--- a/backend/src/test/java/cn/thoughtworks/school/ProgramBase.java
+++ b/backend/src/test/java/cn/thoughtworks/school/ProgramBase.java
@@ -25,7 +25,7 @@ import org.springframework.web.context.WebApplicationContext;
 @Ignore
 @SpringBootTest(classes = Application.class)
 @RunWith(SpringRunner.class)
-@AutoConfigureStubRunner(ids = "cn.thoughtworks.school:userCenterBackend:+:stubs:10001", repositoryRoot = "http://ec2-52-80-187-205.cn-north-1.compute.amazonaws.com.cn:8081/repository/maven-snapshots/")
+@AutoConfigureStubRunner(ids = "cn.thoughtworks.school:userCenterBackend:+:stubs:10001", repositoryRoot = "http://ec2-54-222-235-15.cn-north-1.compute.amazonaws.com.cn:8081/repository/maven-snapshots/")
 @ActiveProfiles("test")
 
 public class ProgramBase {
diff --git a/backend/src/test/java/cn/thoughtworks/school/SectionCommentBase.java b/backend/src/test/java/cn/thoughtworks/school/SectionCommentBase.java
index c986594df84f481ad2a1e4945b9c0097a5fe04c6..9a2eb88d50cc6a738b4af5103809ef0ca46e68bb 100644
--- a/backend/src/test/java/cn/thoughtworks/school/SectionCommentBase.java
+++ b/backend/src/test/java/cn/thoughtworks/school/SectionCommentBase.java
@@ -26,7 +26,7 @@ import java.util.Date;
 @Ignore
 @SpringBootTest(classes = Application.class)
 @RunWith(SpringRunner.class)
-@AutoConfigureStubRunner(ids = "cn.thoughtworks.school:userCenterBackend:+:stubs:10001", repositoryRoot = "http://ec2-52-80-187-205.cn-north-1.compute.amazonaws.com.cn:8081/repository/maven-snapshots/")
+@AutoConfigureStubRunner(ids = "cn.thoughtworks.school:userCenterBackend:+:stubs:10001", repositoryRoot = "http://ec2-54-222-235-15.cn-north-1.compute.amazonaws.com.cn:8081/repository/maven-snapshots/")
 @ActiveProfiles("test")
 public class SectionCommentBase {
     @Autowired
diff --git a/backend/src/test/java/cn/thoughtworks/school/TaskSuggestionBase.java b/backend/src/test/java/cn/thoughtworks/school/TaskSuggestionBase.java
index c3d23919fa29d357be86bd6e7efccbfcb4d07837..2bcef560d041d7eef8a6d85830cc9d4b964fb22e 100644
--- a/backend/src/test/java/cn/thoughtworks/school/TaskSuggestionBase.java
+++ b/backend/src/test/java/cn/thoughtworks/school/TaskSuggestionBase.java
@@ -22,7 +22,7 @@ import org.springframework.web.context.WebApplicationContext;
 @Ignore
 @SpringBootTest(classes = Application.class)
 @RunWith(SpringRunner.class)
-@AutoConfigureStubRunner(ids = "cn.thoughtworks.school:userCenterBackend:+:stubs:10001", repositoryRoot = "http://ec2-52-80-187-205.cn-north-1.compute.amazonaws.com.cn:8081/repository/maven-snapshots/")
+@AutoConfigureStubRunner(ids = "cn.thoughtworks.school:userCenterBackend:+:stubs:10001", repositoryRoot = "http://ec2-54-222-235-15.cn-north-1.compute.amazonaws.com.cn:8081/repository/maven-snapshots/")
 @ActiveProfiles("test")
 public class TaskSuggestionBase {
 
diff --git a/backend/src/test/java/cn/thoughtworks/school/UserBase.java b/backend/src/test/java/cn/thoughtworks/school/UserBase.java
index d11d571be35e06e23d13bbdf781a44ef273a29f9..cc779d4885b67fe64c935e59281fe4ffd5120e07 100644
--- a/backend/src/test/java/cn/thoughtworks/school/UserBase.java
+++ b/backend/src/test/java/cn/thoughtworks/school/UserBase.java
@@ -15,7 +15,7 @@ import org.springframework.web.context.WebApplicationContext;
 @Ignore
 @RunWith(SpringRunner.class)
 @SpringBootTest(classes = Application.class)
-@AutoConfigureStubRunner(ids = "cn.thoughtworks.school:userCenterBackend:+:stubs:10001", repositoryRoot = "http://ec2-52-80-187-205.cn-north-1.compute.amazonaws.com.cn:8081/repository/maven-snapshots/")
+@AutoConfigureStubRunner(ids = "cn.thoughtworks.school:userCenterBackend:+:stubs:10001", repositoryRoot = "http://ec2-54-222-235-15.cn-north-1.compute.amazonaws.com.cn:8081/repository/maven-snapshots/")
 @ActiveProfiles("test")
 public class UserBase {