LCD

sztsb

写LCD的时候....蹦出来
linking...
*** ERROR L103: EXTERNAL ATTRIBUT DO NOT MATCH PUBLIC
    SYMBOL:  LCD
    MODULE:  独立按键.obj (独立_醇?
*** ERROR L118: REFERENCE MADE TO ERRONEOUS EXTERNAL
    SYMBOL:  LCD
    MODULE:  独立按键.obj (独立_醇?
    ADDRESS: 080AH
Program Size: data=31.0 xdata=0 code=548
Target not created

蹦出来这个...谁知道怎么解决