这是怎么回事？

叶雨橙风

开始静态链接...
libpng.lib(pngrtran.obj) : error LNK2005: _png_set_crc_action already defined in krnln_static.lib(pngrtran.obj)
libpng.lib(pngrtran.obj) : error LNK2005: _png_set_background already defined in krnln_static.lib(pngrtran.obj)
libpng.lib(pngrtran.obj) : error LNK2005: _png_set_strip_16 already defined in krnln_static.lib(pngrtran.obj)
libpng.lib(pngrtran.obj) : error LNK2005: _png_set_strip_alpha already defined in krnln_static.lib(pngrtran.obj)
libpng.lib(pngrtran.obj) : error LNK2005: _png_set_gamma already defined in krnln_static.lib(pngrtran.obj)
libpng.lib(pngrtran.obj) : error LNK2005: _png_set_expand already defined in krnln_static.lib(pngrtran.obj)
libpng.lib(pngrtran.obj) : error LNK2005: _png_set_palette_to_rgb already defined in krnln_static.lib(pngrtran.obj)
libpng.lib(pngrtran.obj) : error LNK2005: _png_set_tRNS_to_alpha already defined in krnln_static.lib(pngrtran.obj)
libpng.lib(pngrtran.obj) : error LNK2005: _png_set_gray_to_rgb already defined in krnln_static.lib(pngrtran.obj)
libpng.lib(pngrtran.obj) : error LNK2005: _png_set_rgb_to_gray already defined in krnln_static.lib(pngrtran.obj)
libpng.lib(pngrtran.obj) : error LNK2005: _png_set_rgb_to_gray_fixed already defined in krnln_static.lib(pngrtran.obj)
libpng.lib(pngrtran.obj) : error LNK2005: _png_set_read_user_transform_fn already defined in krnln_static.lib(pngrtran.obj)
libpng.lib(pngrtran.obj) : error LNK2005: _png_init_read_transformations already defined in krnln_static.lib(pngrtran.obj)
libpng.lib(pngrtran.obj) : error LNK2005: _png_read_transform_info already defined in krnln_static.lib(pngrtran.obj)
libpng.lib(pngrtran.obj) : error LNK2005: _png_do_read_transformations already defined in krnln_static.lib(pngrtran.obj)
libpng.lib(pngrtran.obj) : error LNK2005: _png_build_grayscale_palette already defined in krnln_static.lib(png.obj)
libpng.lib(pngrtran.obj) : error LNK2005: _png_build_gamma_table already defined in krnln_static.lib(png.obj)
libpng.lib(pngtrans.obj) : error LNK2005: _png_set_bgr already defined in krnln_static.lib(pngtrans.obj)
libpng.lib(pngtrans.obj) : error LNK2005: _png_set_swap already defined in krnln_static.lib(pngtrans.obj)
libpng.lib(pngtrans.obj) : error LNK2005: _png_set_packing already defined in krnln_static.lib(pngtrans.obj)
libpng.lib(pngtrans.obj) : error LNK2005: _png_set_packswap already defined in krnln_static.lib(pngtrans.obj)
libpng.lib(pngtrans.obj) : error LNK2005: _png_set_shift already defined in krnln_static.lib(pngtrans.obj)
libpng.lib(pngtrans.obj) : error LNK2005: _png_set_interlace_handling already defined in krnln_static.lib(pngtrans.obj)
libpng.lib(pngtrans.obj) : error LNK2005: _png_set_filler already defined in krnln_static.lib(pngtrans.obj)
libpng.lib(pngtrans.obj) : error LNK2005: _png_set_swap_alpha already defined in krnln_static.lib(pngtrans.obj)
libpng.lib(pngtrans.obj) : error LNK2005: _png_set_invert_alpha already defined in krnln_static.lib(pngtrans.obj)
libpng.lib(pngtrans.obj) : error LNK2005: _png_set_invert_mono already defined in krnln_static.lib(pngtrans.obj)
libpng.lib(pngtrans.obj) : error LNK2005: _png_do_invert already defined in krnln_static.lib(pngtrans.obj)
libpng.lib(pngtrans.obj) : error LNK2005: _png_do_swap already defined in krnln_static.lib(pngtrans.obj)
libpng.lib(pngtrans.obj) : error LNK2005: _png_do_packswap already defined in krnln_static.lib(pngtrans.obj)
libpng.lib(pngtrans.obj) : error LNK2005: _png_do_bgr already defined in krnln_static.lib(pngtrans.obj)
静态连接失败

986858681

易语言版本！问题

叶雨橙风

版本问题，，版本？问题？