diff --git a/src/main/java/org/dromara/easyai/entity/ConvBack.java b/src/main/java/org/dromara/easyai/entity/ConvBack.java
new file mode 100644
index 0000000..62c4398
--- /dev/null
+++ b/src/main/java/org/dromara/easyai/entity/ConvBack.java
@@ -0,0 +1,52 @@
+package org.dromara.easyai.entity;
+
+
+import org.dromara.easyai.matrixTools.Matrix;
+import org.dromara.easyai.i.OutBack;
+
+import java.util.List;
+
+/**
+ * @param
+ * @DATA
+ * @Author LiDaPeng
+ * @Description
+ */
+public class ConvBack implements OutBack {
+    private Matrix matrix;
+
+    public Matrix getMatrix() {
+        return matrix;
+    }
+
+    @Override
+    public void getBack(float out, int id, long eventId) {
+    }
+
+    @Override
+    public void getSoftMaxBack(long eventId, List<Float> softMax) {
+
+    }
+
+
+    @Override
+    public void backWord(String word, long eventId) {
+
+    }
+
+
+    @Override
+    public void getBackMatrix(Matrix matrix, int id, long eventId) {
+        this.matrix = matrix;
+    }
+
+    @Override
+    public void getWordVector(int id, float w) {
+
+    }
+
+    @Override
+    public void getBackThreeChannelMatrix(ThreeChannelMatrix picture) {
+
+    }
+}