增加了 payapi-sdk
diff --git a/common/build.gradle b/common/build.gradle
index c5ae67d..88e5750 100644
--- a/common/build.gradle
+++ b/common/build.gradle
@@ -6,6 +6,7 @@
     implementation 'org.slf4j:slf4j-parent:1.7.26'
     implementation 'org.slf4j:slf4j-api:1.7.26'
     implementation 'javax.validation:validation-api:2.0.1.Final'
+    implementation 'javax.servlet:javax.servlet-api:4.0.1'
 
     compileOnly 'org.projectlombok:lombok:1.18.8'
     annotationProcessor 'org.projectlombok:lombok:1.18.8'