String type conversion error

[liudaolunboluo]

If excel is a String type number, such as "0200", it will be "200" in the final result, even if I set the type to String in excel, the reason is in line 637 of the source code: "if (typeof (value) == "string" && isFinite (value)) return Number (value); "If the type is String and finally converted to Number, you want to modify