fix pool bug (#27366)

python/paddle/nn/functional/pooling.py

@@ -713,7 +713,7 @@ def max_pool2d(x,
                 'data_format', data_format)
             return output
 
-    op_type = 'max_pool2d_with_index' if data_format == "NCHW" else "max_pool2d"
+    op_type = 'max_pool2d_with_index' if data_format == "NCHW" else "pool2d"
     helper = LayerHelper(op_type, **locals())
     dtype = helper.input_dtype()
     pool_out = helper.create_variable_for_type_inference(dtype)
@@ -839,7 +839,7 @@ def max_pool3d(x,
                 'data_format', data_format)
             return output
 
-    op_type = "max_pool3d_with_index" if data_format == "NCDHW" else "max_pool3d"
+    op_type = "max_pool3d_with_index" if data_format == "NCDHW" else "pool3d"
     helper = LayerHelper(op_type, **locals())
     dtype = helper.input_dtype()
     pool_out = helper.create_variable_for_type_inference(dtype)