我在模擬的時候總是會出現以下的錯誤 pEyZH!W  
Error: n-GaN and P-GaN are overlapping at coincident surfaces Surface 43 and Surface 2. [8V;Q  
   Ray 44, level 657 terminated at (-0.0014167 0.0055 0.000675858) {v={q1  
Error: Terminating branch of ray 273 at level 935 because n-GaN overlaps AlGaN b,!C8rJ  
       at coordinates (0.00175, 0.00405858, 0.000472164) 6