diff --git a/spring-brick/src/main/java/com/gitee/starblues/spring/extract/DefaultOpExtractFactory.java b/spring-brick/src/main/java/com/gitee/starblues/spring/extract/DefaultOpExtractFactory.java
index 48b05fc06481a60d777efd7c4b6d75958a29e60e..53092bcecf6ba450cb6305bbb77632e9b1874e96 100644
--- a/spring-brick/src/main/java/com/gitee/starblues/spring/extract/DefaultOpExtractFactory.java
+++ b/spring-brick/src/main/java/com/gitee/starblues/spring/extract/DefaultOpExtractFactory.java
@@ -93,11 +93,11 @@ public class DefaultOpExtractFactory implements OpExtractFactory {
         if(extractCoordinates  == null){
             throw new RuntimeException("Not found " + coordinate + " from plugin '" + pluginId + "'");
         }
-        Object extracts = extractCoordinates.get(coordinate);
+        ExtractWrapper extracts = extractCoordinates.get(coordinate);
         if(extracts == null){
             throw new RuntimeException("Not found " + coordinate + " from plugin '" + pluginId + "'");
         }
-        return (T) extracts;
+        return (T) extracts.getObject();
     }
 
     @SuppressWarnings("unchecked")