diff --git a/library/src/main/ets/cache/MemoryLruCache.ets b/library/src/main/ets/cache/MemoryLruCache.ets
index aba330f..16a937f 100644
--- a/library/src/main/ets/cache/MemoryLruCache.ets
+++ b/library/src/main/ets/cache/MemoryLruCache.ets
@@ -47,7 +47,7 @@ export class MemoryLruCache implements IMemoryCache {
     }
 
     let size = this.getImageKnifeDataSize(value)
-    if (size <= 0 && size >= this.maxMemory) {
+    if (size <= 0 || size >= this.maxMemory) {
       return
     }