Fix errors

paddle/framework/backward_test.cc

@@ -159,7 +159,7 @@ class FillZeroOpMaker : public OpProtoAndCheckerMaker {
   FillZeroOpMaker(OpProto *proto, OpAttrChecker *op_checker)
       : OpProtoAndCheckerMaker(proto, op_checker) {
     AddInput("X", "x");
-    AddOutput("Y", "out");
+    AddOutput("Out", "out");
     AddComment("");
   }
 };

paddle/operators/fill_zeros_like_op.cc

@@ -27,7 +27,7 @@ class FillZerosLikeOp : public framework::OperatorWithKernel {
     PADDLE_ENFORCE(ctx->HasOutput("Out"),
                    "Output(Out) of FillZerosLikeOp should not be null.");
     ctx->SetOutputDim("Out", ctx->GetInputDim("X"));
-    ctx->ShareLoD("X", /*->*/ "Y");
+    ctx->ShareLoD("X", /*->*/ "Out");
   }
 };