diff --git a/python/paddle/v2/framework/tests/gradient_checker.py b/python/paddle/v2/framework/tests/gradient_checker.py
index 0ee7e8fb490fa4bacd2377992abb11be721fde92..4022de1c40e41aa77a7f31d82b55b63585cbd5f5 100644
--- a/python/paddle/v2/framework/tests/gradient_checker.py
+++ b/python/paddle/v2/framework/tests/gradient_checker.py
@@ -10,7 +10,7 @@ def get_numeric_gradient(op,
                          input_values,
                          output_name,
                          input_to_check,
-                         delta=1e-5,
+                         delta=1e-2,
                          local_scope=None):
     """
     Get Numeric Gradient for an operator's input.
@@ -34,8 +34,8 @@ def get_numeric_gradient(op,
         var = local_scope.new_var(var_name)
         tensor = var.get_tensor()
         tensor.set_dims(input_values[var_name].shape)
-        tensor.alloc_float()
-        tensor.set(input_values[var_name])
+        tensor.alloc_float(core.CPUPlace())
+        tensor.set(input_values[var_name], core.CPUPlace())
 
     # Create all output variable in local_scope
     for output in op.outputs():
@@ -46,10 +46,10 @@ def get_numeric_gradient(op,
 
     # allocate output memory
     for output in op.outputs():
-        local_scope.find_var(output).get_tensor().alloc_float()
+        local_scope.find_var(output).get_tensor().alloc_float(core.CPUPlace())
 
     # TODO(yuyang18): Only CPU is support now.
-    cpu_ctx = core.DeviceContext.cpu_context()
+    cpu_ctx = core.DeviceContext.create(core.CPUPlace())
 
     def get_output():
         op.run(local_scope, cpu_ctx)
@@ -85,7 +85,6 @@ if __name__ == '__main__':
             y = numpy.random.random((10, 1)).astype("float32")
 
             arr = get_numeric_gradient(add_op, {'X': x, "Y": y}, 'Z', 'X')
-
             self.assertAlmostEqual(arr.mean(), 1.0, delta=1e-2)
 
     unittest.main()