diff --git a/src/main/java/io/jboot/codegen/service/service_impl_template.tp b/src/main/java/io/jboot/codegen/service/service_impl_template.tp
index c8010818f5c9f776aecb334f9cd837383ab7808e..901d98926b6b8cea262b3525234781661019ad0a 100644
--- a/src/main/java/io/jboot/codegen/service/service_impl_template.tp
+++ b/src/main/java/io/jboot/codegen/service/service_impl_template.tp
@@ -7,6 +7,6 @@ import io.jboot.service.JbootServiceBase;
 
 
 @Bean
-public class #(tableMeta.modelName)Service#(firstCharToUpperCase(implName)) extends JbootServiceBase<#(tableMeta.modelName)> implements #(tableMeta.modelName)Service {
+public class #(tableMeta.modelName)Service#(firstCharToUpperCase(implName == null ? 'Impl' : implName)) extends JbootServiceBase<#(tableMeta.modelName)> implements #(tableMeta.modelName)Service {
 
 }
diff --git a/src/main/java/io/jboot/support/shiro/cache/JbootShiroCacheManager.java b/src/main/java/io/jboot/support/shiro/cache/JbootShiroCacheManager.java
index 7e16c63a9ebd83de6c5cf1c757c42cc089958797..a10cd71c82dcfe618c481c8dfedf6b2ee3ee15dd 100755
--- a/src/main/java/io/jboot/support/shiro/cache/JbootShiroCacheManager.java
+++ b/src/main/java/io/jboot/support/shiro/cache/JbootShiroCacheManager.java
@@ -29,7 +29,7 @@ import java.util.concurrent.TimeUnit;
  *
  * 通过 shiro.ini 的进行配置，配置如下 ：
  *
- * shiroCacheManager = io.jboot.component.shiro.cache.JbootShiroCacheManager
+ * shiroCacheManager = io.jboot.support.shiro.cache.JbootShiroCacheManager
  * securityManager.cacheManager = $shiroCacheManager
  */
 public class JbootShiroCacheManager implements CacheManager {