修改compileOnly为optional

mybatis-plus-boot-starter/build.gradle

@@ -2,5 +2,5 @@ dependencies {
     compile project(":mybatis-plus")
     compile rootProject.ext.dependencies["springboot-autoconfigure"]
     compile rootProject.ext.dependencies["springboot-starter-jdbc"]
-    compileOnly rootProject.ext.dependencies["springboot-configuration-processor"]
+    optional rootProject.ext.dependencies["springboot-configuration-processor"]
 }