fix(Dashboard): 添加错误处理，统一DateTime使用

wanshenmean

2026-03-30 6af451b3d95627b745da9a9e334419b1b5d4ee4f

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<Solution>
  <Project Path="WIDESEAWCS_S7Simulator.Application/WIDESEAWCS_S7Simulator.Application.csproj" />
  <Project Path="WIDESEAWCS_S7Simulator.Core/WIDESEAWCS_S7Simulator.Core.csproj" />
  <Project Path="WIDESEAWCS_S7Simulator.Server/WIDESEAWCS_S7Simulator.Server.csproj" />
  <Project Path="WIDESEAWCS_S7Simulator.UnitTests/WIDESEAWCS_S7Simulator.UnitTests.csproj" />
</Solution>