qwen2-1.5B get wront results on x86 and macos

[xingjinglu]

./cli_demo ../ios/mnn-llm/Qwen2-1.5B-Instruct-MNN
model path is ../ios/mnn-llm/Qwen2-1.5B-Instruct-MNN
libc++abi: terminating due to uncaught exception of type nlohmann::json_abi_v3_11_3::detail::type_error: [json.exception.type_error.306] cannot use value() with null
zsh: abort ./cli_demo ../ios/mnn-llm/Qwen2-1.5B-Instruct-MNN

[xingjinglu]

1）It is cuased with wrong used.
./cli_demo Qwen2-1.5B-Instruct-MNN/config.json

2）but with the above command, I encounter some others errors:

• Platform：linux， x86-64

model path is Qwen2-1.5B-Instruct-MNN/config.json
The device support i8sdot:0, support fp16:0, support i8mm: 0
### is_single_ = 1, is_disk_embedding_ = 1
load tokenizer
tokenizer_type = 3
load tokenizer Done
load Qwen2-1.5B-Instruct-MNN/qwen2-1.5b-int4.mnn ... Invalidate buffer to create MNN Module
Done!

Q: 您好

A: Segmentation fault

3） MacOS

• Platform： Mac OS M1

model path is  ios/mnn-llm/Qwen2-1.5B-Instruct-MNN/config.json
hw.cpufamily: 458787763 , size = 4
The device support i8sdot:1, support fp16:1, support i8mm: 0
### is_single_ = 1, is_disk_embedding_ = 1
load tokenizer
tokenizer_type = 3
load tokenizer Done
load ios/mnn-llm/Qwen2-1.5B-Instruct-MNN/qwen2-1.5b-int4.mnn ... Done!

Q: 您好

A: !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!zsh: terminated  ./build/cli_demo