fix bug

@@ -14,16 +14,23 @@ import java.util.concurrent.TimeUnit;
 
 @Component
 public class BigdataSimilarSknIndexBuilder extends IIndexBuilder {
+
     @Autowired
     private SimilarSknMapper similarSknMapper;
 
     LoadingCache<String, Integer> cache = CacheBuilder.newBuilder().maximumSize(10000).expireAfterWrite(10, TimeUnit.MINUTES).build(new CacheLoader<String, Integer>() {
+        @Override
         public Integer load(String key) {
             return getMaxDateId();
         }
     });
 
     @Override
+    public void init(){
+        cache.cleanUp();
+    }
+
+    @Override
     public int getTotalCount() throws Exception {
         return similarSknMapper.selectCount(cache.get("maxDataId"));
     }
@@ -42,4 +49,9 @@ public class BigdataSimilarSknIndexBuilder extends IIndexBuilder {
     private Integer getMaxDateId() {
         return similarSknMapper.selectLatestDateId();
     }
+
+    @Override
+    public void finish(){
+        cache.cleanUp();
+    }
 }