An unhandled exception of type 'System.FormatException' occurred in mscorlib.dll The input string was not in the correct format.

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The reason for this is that the symbols are not recognized correctly in Chinese and English. For example, replace the Chinese: with the English:

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An unhandled exception of type 'System.FormatException' occurred in mscorlib.dll The input string was not in the correct format.

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