diff --git a/web/src/main/resources/application-dev.properties b/web/src/main/resources/application-dev.properties
index 736131e3..58556040 100644
--- a/web/src/main/resources/application-dev.properties
+++ b/web/src/main/resources/application-dev.properties
@@ -77,10 +77,8 @@ student.teacher.url = http://localhost:8080/
 delay.submit.out-time=1800000
 
 #\u7CFB\u7EDF\u914D\u7F6E-\u7CFB\u7EDF\u56FE\u5E93\u6682\u5B58\u3002    ||||||  6\u4E2A\u7AD6\u7EBF\uFF0C\u6765\u8868\u793A\u5206\u9694\u7B26
-system.config.sysImgs=https://gimg2.baidu.com/image_search/src=http%3A%2F%2F5b0988e595225.cdn.sohucs.com%2Fimages%2F20190826%2Fdfe\
-  3b5e3f8b240bc9b27ec916833b8e2.png&refer=http%3A%2F%2F5b0988e595225.cdn.sohucs.com&app=2002&size=f9999,10000&q=a80&n=0&g=0n&fmt=au\
-  to?sec=1674228622&t=eb46c08a77aa7e19dd79701eac55ca9c||||||https://gimg2.baidu.com/image_search/src=http%3A%2F%2Fimg.jiaoyubao.cn%2Fimages\
-  %2Fqd%2Fbeile%2Fke3.gif&refer=http%3A%2F%2Fimg.jiaoyubao.cn&app=2002&size=f9999,10000&q=a80&n=0&g=0n&fmt=auto?sec=1674228622&t=34\
-  eeefbead6c6e55964ec797664256ac||||||https://gimg2.baidu.com/image_search/src=http%3A%2F%2Fp1.itc.cn%2Fq_70%2Fimages03%2F20201120%\
-  2F6f26a6b508764b03b2ceb433c0adaf58.jpeg&refer=http%3A%2F%2Fp1.itc.cn&app=2002&size=f9999,10000&q=a80&n=0&g=0n&fmt=auto?sec=1674228\
-  622&t=a2506d989d9e3fc7b8c7bd84c7c8ade0
\ No newline at end of file
+system.config.sysImgs=https://gimg2.baidu.com/image_search/src=http%3A%2F%2F5b0988e595225.cdn.sohucs.com%2Fimages%2F20190826%2Fdfe3b5e3f8b240bc9b27ec916833b8e2.png&refer=http%3A%2F%2F5b0988e595225.cdn.sohucs.com&app=2002&size=f9999,10000&q=a80&n=0&g=0n&fmt=auto?sec=1674228622&t=eb46c08a77aa7e19dd79701eac55ca9c\
+  ||||||https://gimg2.baidu.com/image_search/src=http%3A%2F%2Fimg.jiaoyubao.cn%2Fimages%2Fqd%2Fbeile%2Fke3.gif&refer=http%3A%2F%2Fimg.jiaoyubao.cn&app=2002&size=f9999,10000&q=a80&n=0&g=0n&fmt=auto?sec=1674228622&t=34eeefbead6c6e55964ec797664256ac\
+  ||||||https://gimg2.baidu.com/image_search/src=http%3A%2F%2Fp1.itc.cn%2Fq_70%2Fimages03%2F20201120%2F6f26a6b508764b03b2ceb433c0adaf58.jpeg&refer=http%3A%2F%2Fp1.itc.cn&app=2002&size=f9999,10000&q=a80&n=0&g=0n&fmt=auto?sec=1674228622&t=a2506d989d9e3fc7b8c7bd84c7c8ade0
+
+
diff --git a/web/src/main/resources/application-local.properties b/web/src/main/resources/application-local.properties
index 724d0cd1..1c1a307a 100644
--- a/web/src/main/resources/application-local.properties
+++ b/web/src/main/resources/application-local.properties
@@ -77,10 +77,8 @@ student.teacher.url = http://localhost:8080/
 delay.submit.out-time=1800000
 
 #\u7CFB\u7EDF\u914D\u7F6E-\u7CFB\u7EDF\u56FE\u5E93\u6682\u5B58\u3002    ||||||  6\u4E2A\u7AD6\u7EBF\uFF0C\u6765\u8868\u793A\u5206\u9694\u7B26
-system.config.sysImgs=https://gimg2.baidu.com/image_search/src=http%3A%2F%2F5b0988e595225.cdn.sohucs.com%2Fimages%2F20190826%2Fdfe\
-  3b5e3f8b240bc9b27ec916833b8e2.png&refer=http%3A%2F%2F5b0988e595225.cdn.sohucs.com&app=2002&size=f9999,10000&q=a80&n=0&g=0n&fmt=au\
-  to?sec=1674228622&t=eb46c08a77aa7e19dd79701eac55ca9c||||||https://gimg2.baidu.com/image_search/src=http%3A%2F%2Fimg.jiaoyubao.cn%2Fimages\
-  %2Fqd%2Fbeile%2Fke3.gif&refer=http%3A%2F%2Fimg.jiaoyubao.cn&app=2002&size=f9999,10000&q=a80&n=0&g=0n&fmt=auto?sec=1674228622&t=34\
-  eeefbead6c6e55964ec797664256ac||||||https://gimg2.baidu.com/image_search/src=http%3A%2F%2Fp1.itc.cn%2Fq_70%2Fimages03%2F20201120%\
-  2F6f26a6b508764b03b2ceb433c0adaf58.jpeg&refer=http%3A%2F%2Fp1.itc.cn&app=2002&size=f9999,10000&q=a80&n=0&g=0n&fmt=auto?sec=1674228\
-  622&t=a2506d989d9e3fc7b8c7bd84c7c8ade0
\ No newline at end of file
+system.config.sysImgs=https://gimg2.baidu.com/image_search/src=http%3A%2F%2F5b0988e595225.cdn.sohucs.com%2Fimages%2F20190826%2Fdfe3b5e3f8b240bc9b27ec916833b8e2.png&refer=http%3A%2F%2F5b0988e595225.cdn.sohucs.com&app=2002&size=f9999,10000&q=a80&n=0&g=0n&fmt=auto?sec=1674228622&t=eb46c08a77aa7e19dd79701eac55ca9c\
+  ||||||https://gimg2.baidu.com/image_search/src=http%3A%2F%2Fimg.jiaoyubao.cn%2Fimages%2Fqd%2Fbeile%2Fke3.gif&refer=http%3A%2F%2Fimg.jiaoyubao.cn&app=2002&size=f9999,10000&q=a80&n=0&g=0n&fmt=auto?sec=1674228622&t=34eeefbead6c6e55964ec797664256ac\
+  ||||||https://gimg2.baidu.com/image_search/src=http%3A%2F%2Fp1.itc.cn%2Fq_70%2Fimages03%2F20201120%2F6f26a6b508764b03b2ceb433c0adaf58.jpeg&refer=http%3A%2F%2Fp1.itc.cn&app=2002&size=f9999,10000&q=a80&n=0&g=0n&fmt=auto?sec=1674228622&t=a2506d989d9e3fc7b8c7bd84c7c8ade0
+
+
diff --git a/web/src/main/resources/application-prod.properties b/web/src/main/resources/application-prod.properties
index 9c584eb8..efaf1534 100644
--- a/web/src/main/resources/application-prod.properties
+++ b/web/src/main/resources/application-prod.properties
@@ -73,10 +73,8 @@ student.teacher.url = http://116.205.131.177:8080/
 delay.submit.out-time=1800000
 
 #\u7CFB\u7EDF\u914D\u7F6E-\u7CFB\u7EDF\u56FE\u5E93\u6682\u5B58\u3002    ||||||  6\u4E2A\u7AD6\u7EBF\uFF0C\u6765\u8868\u793A\u5206\u9694\u7B26
-system.config.sysImgs=https://gimg2.baidu.com/image_search/src=http%3A%2F%2F5b0988e595225.cdn.sohucs.com%2Fimages%2F20190826%2Fdfe\
-  3b5e3f8b240bc9b27ec916833b8e2.png&refer=http%3A%2F%2F5b0988e595225.cdn.sohucs.com&app=2002&size=f9999,10000&q=a80&n=0&g=0n&fmt=au\
-  to?sec=1674228622&t=eb46c08a77aa7e19dd79701eac55ca9c||||||https://gimg2.baidu.com/image_search/src=http%3A%2F%2Fimg.jiaoyubao.cn%2Fimages\
-  %2Fqd%2Fbeile%2Fke3.gif&refer=http%3A%2F%2Fimg.jiaoyubao.cn&app=2002&size=f9999,10000&q=a80&n=0&g=0n&fmt=auto?sec=1674228622&t=34\
-  eeefbead6c6e55964ec797664256ac||||||https://gimg2.baidu.com/image_search/src=http%3A%2F%2Fp1.itc.cn%2Fq_70%2Fimages03%2F20201120%\
-  2F6f26a6b508764b03b2ceb433c0adaf58.jpeg&refer=http%3A%2F%2Fp1.itc.cn&app=2002&size=f9999,10000&q=a80&n=0&g=0n&fmt=auto?sec=1674228\
-  622&t=a2506d989d9e3fc7b8c7bd84c7c8ade0
\ No newline at end of file
+system.config.sysImgs=https://gimg2.baidu.com/image_search/src=http%3A%2F%2F5b0988e595225.cdn.sohucs.com%2Fimages%2F20190826%2Fdfe3b5e3f8b240bc9b27ec916833b8e2.png&refer=http%3A%2F%2F5b0988e595225.cdn.sohucs.com&app=2002&size=f9999,10000&q=a80&n=0&g=0n&fmt=auto?sec=1674228622&t=eb46c08a77aa7e19dd79701eac55ca9c\
+  ||||||https://gimg2.baidu.com/image_search/src=http%3A%2F%2Fimg.jiaoyubao.cn%2Fimages%2Fqd%2Fbeile%2Fke3.gif&refer=http%3A%2F%2Fimg.jiaoyubao.cn&app=2002&size=f9999,10000&q=a80&n=0&g=0n&fmt=auto?sec=1674228622&t=34eeefbead6c6e55964ec797664256ac\
+  ||||||https://gimg2.baidu.com/image_search/src=http%3A%2F%2Fp1.itc.cn%2Fq_70%2Fimages03%2F20201120%2F6f26a6b508764b03b2ceb433c0adaf58.jpeg&refer=http%3A%2F%2Fp1.itc.cn&app=2002&size=f9999,10000&q=a80&n=0&g=0n&fmt=auto?sec=1674228622&t=a2506d989d9e3fc7b8c7bd84c7c8ade0
+
+
diff --git a/web/src/main/resources/application-test.properties b/web/src/main/resources/application-test.properties
index cb0601fc..bbda260d 100644
--- a/web/src/main/resources/application-test.properties
+++ b/web/src/main/resources/application-test.properties
@@ -77,10 +77,8 @@ student.teacher.url = http://localhost:8080/
 delay.submit.out-time=1800000
 
 #\u7CFB\u7EDF\u914D\u7F6E-\u7CFB\u7EDF\u56FE\u5E93\u6682\u5B58\u3002    ||||||  6\u4E2A\u7AD6\u7EBF\uFF0C\u6765\u8868\u793A\u5206\u9694\u7B26
-system.config.sysImgs=https://gimg2.baidu.com/image_search/src=http%3A%2F%2F5b0988e595225.cdn.sohucs.com%2Fimages%2F20190826%2Fdfe\
-  3b5e3f8b240bc9b27ec916833b8e2.png&refer=http%3A%2F%2F5b0988e595225.cdn.sohucs.com&app=2002&size=f9999,10000&q=a80&n=0&g=0n&fmt=au\
-  to?sec=1674228622&t=eb46c08a77aa7e19dd79701eac55ca9c||||||https://gimg2.baidu.com/image_search/src=http%3A%2F%2Fimg.jiaoyubao.cn%2Fimages\
-  %2Fqd%2Fbeile%2Fke3.gif&refer=http%3A%2F%2Fimg.jiaoyubao.cn&app=2002&size=f9999,10000&q=a80&n=0&g=0n&fmt=auto?sec=1674228622&t=34\
-  eeefbead6c6e55964ec797664256ac||||||https://gimg2.baidu.com/image_search/src=http%3A%2F%2Fp1.itc.cn%2Fq_70%2Fimages03%2F20201120%\
-  2F6f26a6b508764b03b2ceb433c0adaf58.jpeg&refer=http%3A%2F%2Fp1.itc.cn&app=2002&size=f9999,10000&q=a80&n=0&g=0n&fmt=auto?sec=1674228\
-  622&t=a2506d989d9e3fc7b8c7bd84c7c8ade0
\ No newline at end of file
+system.config.sysImgs=https://gimg2.baidu.com/image_search/src=http%3A%2F%2F5b0988e595225.cdn.sohucs.com%2Fimages%2F20190826%2Fdfe3b5e3f8b240bc9b27ec916833b8e2.png&refer=http%3A%2F%2F5b0988e595225.cdn.sohucs.com&app=2002&size=f9999,10000&q=a80&n=0&g=0n&fmt=auto?sec=1674228622&t=eb46c08a77aa7e19dd79701eac55ca9c\
+  ||||||https://gimg2.baidu.com/image_search/src=http%3A%2F%2Fimg.jiaoyubao.cn%2Fimages%2Fqd%2Fbeile%2Fke3.gif&refer=http%3A%2F%2Fimg.jiaoyubao.cn&app=2002&size=f9999,10000&q=a80&n=0&g=0n&fmt=auto?sec=1674228622&t=34eeefbead6c6e55964ec797664256ac\
+  ||||||https://gimg2.baidu.com/image_search/src=http%3A%2F%2Fp1.itc.cn%2Fq_70%2Fimages03%2F20201120%2F6f26a6b508764b03b2ceb433c0adaf58.jpeg&refer=http%3A%2F%2Fp1.itc.cn&app=2002&size=f9999,10000&q=a80&n=0&g=0n&fmt=auto?sec=1674228622&t=a2506d989d9e3fc7b8c7bd84c7c8ade0
+
+