diff --git a/paddle/function/ImageExpandOp.cpp b/paddle/function/ImageExpandOp.cpp
index 00a2571936b399d62b5cea90874a034f6771e310..a89b6bba45843d81264819cad6ba053f28314f6b 100644
--- a/paddle/function/ImageExpandOp.cpp
+++ b/paddle/function/ImageExpandOp.cpp
@@ -32,7 +32,7 @@ namespace paddle {
  * \param inputs[0]  Sequence data of NST format.
  * \param outputs[0] Image data of NCHW format.
  */
-class ImageExpandFunction : public FunctionBase {
+class BlockExpandFunction : public FunctionBase {
 public:
   void init(const FuncConfig& config) override {
     // function arguments
@@ -100,10 +100,10 @@ protected:
 };
 
 template <DeviceType Device>
-class ImageExpandForward : public ImageExpandFunction {
+class BlockExpandForward : public BlockExpandFunction {
 public:
   void init(const FuncConfig& config) override {
-    ImageExpandFunction::init(config);
+    BlockExpandFunction::init(config);
   }
 
   void check(const BufferArgs& inputs, const BufferArgs& outputs) override {
@@ -148,10 +148,10 @@ public:
 };
 
 template <DeviceType Device>
-class ImageExpandBackward : public ImageExpandFunction {
+class BlockExpandBackward : public BlockExpandFunction {
 public:
   void init(const FuncConfig& config) override {
-    ImageExpandFunction::init(config);
+    BlockExpandFunction::init(config);
   }
 
   void check(const BufferArgs& inputs, const BufferArgs& outputs) override {
@@ -192,11 +192,11 @@ public:
   }
 };
 
-REGISTER_TYPED_FUNC(ImageExpand, CPU, ImageExpandForward);
-REGISTER_TYPED_FUNC(ImageExpandGrad, CPU, ImageExpandBackward);
+REGISTER_TYPED_FUNC(BlockExpand, CPU, BlockExpandForward);
+REGISTER_TYPED_FUNC(BlockExpandGrad, CPU, BlockExpandBackward);
 #ifndef PADDLE_ONLY_CPU
-REGISTER_TYPED_FUNC(ImageExpand, GPU, ImageExpandForward);
-REGISTER_TYPED_FUNC(ImageExpandGrad, GPU, ImageExpandBackward);
+REGISTER_TYPED_FUNC(BlockExpand, GPU, BlockExpandForward);
+REGISTER_TYPED_FUNC(BlockExpandGrad, GPU, BlockExpandBackward);
 #endif
 
 }  // namespace paddle
diff --git a/paddle/function/ImageExpandOpTest.cpp b/paddle/function/ImageExpandOpTest.cpp
index fb312549dc758ee6edb0df34332a9c1d8d0035a7..5e4897e72ba9fab2dd9e25d90313dc1b4d38e2d4 100644
--- a/paddle/function/ImageExpandOpTest.cpp
+++ b/paddle/function/ImageExpandOpTest.cpp
@@ -17,7 +17,7 @@ limitations under the License. */
 
 namespace paddle {
 
-TEST(ImageExpandForward, real) {
+TEST(BlockExpandForward, real) {
   for (size_t batchSize : {5, 32}) {
     for (size_t channels : {1, 5, 32}) {
       for (size_t inputHeight : {5, 33, 100}) {
@@ -29,7 +29,7 @@ TEST(ImageExpandForward, real) {
                 std::vector<size_t> strides = {stride, stride};
                 std::vector<size_t> paddings = {padding, padding};
                 std::vector<size_t> blocks = {block, block};
-                CpuGpuFuncCompare test("ImageExpand",
+                CpuGpuFuncCompare test("BlockExpand",
                                        FuncConfig()
                                            .set("strides", strides)
                                            .set("paddings", paddings)
@@ -60,7 +60,7 @@ TEST(ImageExpandForward, real) {
   }
 }
 
-TEST(ImageExpandBackward, real) {
+TEST(BlockExpandBackward, real) {
   for (size_t batchSize : {5, 32}) {
     for (size_t channels : {1, 5, 32}) {
       for (size_t inputHeight : {5, 33, 100}) {
@@ -72,7 +72,7 @@ TEST(ImageExpandBackward, real) {
                 std::vector<size_t> strides = {stride, stride};
                 std::vector<size_t> paddings = {padding, padding};
                 std::vector<size_t> blocks = {block, block};
-                CpuGpuFuncCompare test("ImageExpandGrad",
+                CpuGpuFuncCompare test("BlockExpandGrad",
                                        FuncConfig()
                                            .set("strides", strides)
                                            .set("paddings", paddings)
diff --git a/paddle/gserver/layers/BlockExpandLayer.cpp b/paddle/gserver/layers/BlockExpandLayer.cpp
index adc9a814ffbb1bdc6837945442116ec48e63f9dc..3b1f34635917290c6e4a9230b546892cc5cb7bfa 100644
--- a/paddle/gserver/layers/BlockExpandLayer.cpp
+++ b/paddle/gserver/layers/BlockExpandLayer.cpp
@@ -41,13 +41,13 @@ bool BlockExpandLayer::init(const LayerMap& layerMap,
   std::vector<size_t> paddings = {(size_t)paddingH_, (size_t)paddingW_};
   std::vector<size_t> blocks = {(size_t)blockH_, (size_t)blockW_};
   createFunction(forward_,
-                 "ImageExpand",
+                 "BlockExpand",
                  FuncConfig()
                      .set("strides", strides)
                      .set("paddings", paddings)
                      .set("blocks", blocks));
   createFunction(backward_,
-                 "ImageExpandGrad",
+                 "BlockExpandGrad",
                  FuncConfig()
                      .set("strides", strides)
                      .set("paddings", paddings)