diff --git a/build.json b/build.json
index aea36cd..3e8cf33 100644
--- a/build.json
+++ b/build.json
@@ -1,5 +1,5 @@
 {
-    "java": "15",
+    "java": "1.8",
     "builder": {
         "name": "maven",
         "version": "3.8.4"
diff --git a/pom.xml b/pom.xml
index 62cb757..9b323e2 100644
--- a/pom.xml
+++ b/pom.xml
@@ -16,7 +16,7 @@
     </parent>
 
     <properties>
-        <java.version>15</java.version>
+        <java.version>8</java.version>
     </properties>
 
     <dependencies>
@@ -36,9 +36,26 @@
             <groupId>org.springframework.security</groupId>
             <artifactId>spring-security-openid</artifactId>
         </dependency>
+        <dependency>
+            <groupId>org.bouncycastle</groupId>
+            <artifactId>bcprov-jdk15on</artifactId>
+            <version>1.70</version>
+        </dependency>
 
     </dependencies>
-
+    <repositories>
+        <repository>
+            <id>alimaven</id>
+            <name>aliyun maven</name>
+            <url>http://maven.aliyun.com/nexus/content/groups/public/</url>
+            <releases>
+                <enabled>true</enabled>
+            </releases>
+            <snapshots>
+                <enabled>false</enabled>
+            </snapshots>
+        </repository>
+    </repositories>
     <build>
         <plugins>
             <plugin>