Fix a crash when tostring report error #138

Job	Run time
build (windows-latest, windows, win32-x64)	2m 19s
build (ubuntu-latest, linux, linux-x64, true)	2m 5s
build (macos-latest, darwin, darwin-arm64)	29s
build (macos-latest, darwin, darwin-x64)	25s
build (windows-latest, windows, win32-x86, -A Win32)	1m 50s
Upload Release	12s
	7m 20s

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