Error Messages:

#
# No change to .config
#
  CALL    scripts/atomic/check-atomics.sh
  CALL    scripts/checksyscalls.sh
  CHK     include/generated/compile.h
fatal: not a git repository (or any of the parent directories): .git
  LZ4C    arch/arm64/boot/Image.lz4
Incorrect parameters
Usage :
      lz4 [arg] [input] [output]

input   : a filename
          with no FILE, or when FILE is - or stdin, read standard input
Arguments :
 -1     : Fast compression (default) 
 -9     : High compression 
 -d     : decompression (default for .lz4 extension)
 -z     : force compression
 -f     : overwrite output without prompting 
 -h/-H  : display help/long help and exit
arch/arm64/boot/Makefile:31: recipe for target 'arch/arm64/boot/Image.lz4' failed
make[2]: *** [arch/arm64/boot/Image.lz4] Error 1
make[2]: *** Deleting file 'arch/arm64/boot/Image.lz4'
arch/arm64/Makefile:170: recipe for target 'Image.lz4' failed
make[1]: *** [Image.lz4] Error 2
make[1]: *** Waiting for unfinished jobs....
arch/arm64/Makefile:214: recipe for target 'rk3588-evb2-lp4-v10-edp-linux.img' failed
make: *** [rk3588-evb2-lp4-v10-edp-linux.img] Error 2
ERROR: Running build_kernel failed!
ERROR: exit code 2 from line 656:
    make ARCH=$RK_ARCH $RK_KERNEL_DTS.img -j$RK_JOBS

1.error
fatal: not a git repository (or any of the parent directories): .git
2.solution
sudo git init

2.About the lz4 error, I think the version can not keep up with it, I was solved by the following methods.
sudo apt-get remove  liblz4-tool
sudo git clone https://github.com/lz4/lz4.git
cd /lz4
sudo make
sudo make install