Probleam about reuse library that compiled by AOT

I have another probleam.
Now I want to reuse the librelay_aot_2.so that compilered last time, becasue you know , compiler takes long time. But I meet the probleam as fllows :
Traceback (most recent call last):

File “/home/wda/tvm-master-20190809/relay-aot-master/test/test_aot.py”, line 245, in
test_add()

File “/home/wda/tvm-master-20190809/relay-aot-master/test/test_aot.py”, line 36, in test_add
output = cfunc(a, b)

File “/home/wda/tvm-master-20190809/relay-aot-master/aot/aot.py”, line 208, in _wrapper
res = fn(*new_constants, *new_args)

File “/home/wda/tvm-master-20190809/python/tvm/_ffi/_ctypes/function.py”, line 213, in call
raise get_last_ffi_error()

tvm._ffi.base.TVMError: Traceback (most recent call last):
[bt] (6) /home/wda/tvm-master-20190809/build/libtvm.so(TVMFuncCall+0x61) [0x7f8fa2368421]
[bt] (5) /tmp/relay_aot_compilercaj7d_1r/librelay_aot_2.so(+0x4835) [0x7f8fe1cad835]
[bt] (4) /tmp/relay_aot_compilercaj7d_1r/librelay_aot_2.so(Apply(tvm::relay::Value const&, std::vector<tvm::relay::Value, std::allocatortvm::relay::Value > const&)+0x56) [0x7f8fe1cacb66]
[bt] (3) /tmp/relay_aot_compilercaj7d_1r/librelay_aot_2.so(+0x3d6c) [0x7f8fe1cacd6c]
[bt] (2) /tmp/relay_aot_compilercaj7d_1r/librelay_aot_2.so(Apply(tvm::relay::Value const&, std::vector<tvm::relay::Value, std::allocatortvm::relay::Value > const&)+0x56) [0x7f8fe1cacb66]
[bt] (1) /tmp/relay_aot_compilercaj7d_1r/librelay_aot_2.so(+0x423f) [0x7f8fe1cad23f]
[bt] (0) /home/wda/tvm-master-20190809/build/libtvm.so(dmlc::LogMessageFatal::~LogMessageFatal()+0x32) [0x7f8fa1bce7d2]
File “/tmp/relay_aot_compilercaj7d_1r/source.cc”, line 85
TVMError: Check failed: pf:

So , who can help me?