我无法标记我的桌子。我觉得这是因为桌子被旋转了。我该怎么办？
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\begin{tabulary}{1.4\textwidth}{m{50mm}^C^C^C^C^C^C^C}
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& Openpilot & Pixhawk & Aeroquad & Arducopter & Paparazzi & Mikrokopter & Multiwii \\
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\rowcolor{lightgray}
\rowstyle{\bfseries}
Filters and models & & & & & & & \\
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Estimation & EKF & EKF & NCF/KF & NCF/KF & NCF/KF & LCF/KF & LCF/KF \\
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Complete INS model & \checkmark & \checkmark & \--- & \--- & \--- & \--- & \--- \\
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\rowcolor{lightgray}
\rowstyle{\bfseries}
Special Features & & & & & & & \\
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Multi-cell Platform & \checkmark & \--- & \--- & \checkmark & \checkmark & \checkmark & \--- \\
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GPS navigation with checkpoints & $\Delta$ & $\Delta$ & \--- & \checkmark & \checkmark & $\Delta$ & $\Delta$ \\
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Vision-based indoors flight & \--- & \checkmark & \--- & \--- & \--- & \--- & \--- \\
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\rowcolor{lightgray}
\rowstyle{\bfseries}
Flight Control & & & & & & & \\
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Heading control & \checkmark & \checkmark & \checkmark & \checkmark & \checkmark & \checkmark & \checkmark \\
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Position control & $\Delta$ & $\Delta$ & \--- & \checkmark & \checkmark & $\Delta$ & $\Delta$ \\
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Altitude control (barometer) & \checkmark & $\Delta$ & \checkmark & \checkmark & \checkmark & \checkmark & \checkmark \\
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Altitude control (GPS) & $\Delta$ & $\Delta$ & \--- & \checkmark & \checkmark & $\Delta$ & $\Delta$ \\
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Altitude control (SONAR) & \--- & \--- & \checkmark & \checkmark & \--- & \--- & \--- \\
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Altitude control (O.F.Camera) & \checkmark & \checkmark & \--- & \--- & \--- & \--- & \--- \\
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Open software license & GPL & GPL & GPL & LGPL & GPL & \--- & GPL \\
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\end{tabulary}
\caption{Simple table}
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