@ -1158,7 +1158,8 @@ class ModelAverage(Optimizer):
self.params_grads.append((param, grad))
for param, grad in self.params_grads:
self._append_average_accumulate_op(param)
with param.block.program.optimized_guard(param):
self.apply_program = Program()
block = self.apply_program.global_block()