When I try to do upgrade, it always report below error.  This is a fresh installation from deepin 15.4.1.

===log=
fan@air12:~$ sudo apt upgrade --fix-missing
Reading package lists... Done
Building dependency tree      
Reading state information... Done
Calculating upgrade... Done
The following packages were automatically installed and are no longer required:
  libfile-copy-recursive-perl libidn11:i386 update-inetd
Use 'sudo apt autoremove' to remove them.
The following packages have been kept back:
  bamfdaemon dde-desktop dde-disk-mount-plugin dde-file-manager dde-trash-plugin libdde-file-manager libgutenprint2
  libpulse0 libpulse0:i386 libpulsedsp printer-driver-gutenprint pulseaudio pulseaudio-module-bluetooth
  pulseaudio-utils wps-office
The following packages will be upgraded:
  libegl1-mesa libgbm1 libwayland-egl1-mesa libwebpmux2 libwebpmux2:i386
5 upgraded, 0 newly installed, 0 to remove and 15 not upgraded.
Need to get 128 kB/383 kB of archives.
After this operation, 15.4 kB of additional disk space will be used.
Do you want to continue? [Y/n] y
Get:1 http://packages.deepin.com/deepin panda/main amd64 libwayland-egl1-mesa amd64 13.0.6-1 [42.7 kB]
Err:1 http://packages.deepin.com/deepin panda/main amd64 libwayland-egl1-mesa amd64 13.0.6-1
  Hash Sum mismatch
  Hashes of expected file:
   - SHA256:7348b0fc898c0da3792830af39e22098ebb0683dfc7b3ebf5b2f1fd50efeb877
   - SHA1:cebb2bbab8648f102d082d5ba2c91a2c10278c8e [weak]
   - MD5Sum:4fd97e3266038d5692fa47e0db0b5e00 [weak]
   - Filesize:42700 [weak]
  Hashes of received file:
   - SHA256:d3404391f7b06e991c111f60982f169f909bf18a22634261a12f4ba4415eb315
   - SHA1:c623fd2003bd37d07418316ea3848d1e904a6ea3 [weak]
   - MD5Sum:cbe286d9fcc8b477aa16edca0cd78530 [weak]
   - Filesize:42700 [weak]
  Last modification reported: Tue, 21 Mar 2017 13:58:49 +0000
Get:2 http://packages.deepin.com/deepin panda/main i386 libwebpmux2 i386 0.5.2-1 [84.9 kB]
Err:2 http://packages.deepin.com/deepin panda/main i386 libwebpmux2 i386 0.5.2-1
  Hash Sum mismatch
  Hashes of expected file:
   - SHA256:4056a83b00a4fc119dff0031545970b4fccc37421a046990a60045ce04e300de
   - SHA1:559e2c78fde6d48f06d8c42ae65127edc6511867 [weak]
   - MD5Sum:5a76269da3822eeabc7c6a49b8c9b615 [weak]
   - Filesize:84932 [weak]
  Hashes of received file:
   - SHA256:838ec7f3e1b384ecf368b474ae9501c64f090da75776eaeae7a32387f6c78066
   - SHA1:7df5ec25fbb02029648bc6ebe64640dbc02f8ec2 [weak]
   - MD5Sum:0c8a4f5a1261c61fa106ed5e91a1dcee [weak]
   - Filesize:84932 [weak]
  Last modification reported: Tue, 03 Jan 2017 19:58:46 +0000
Fetched 128 kB in 0s (976 kB/s)            
E: Failed to fetch http://packages.deepin.com/deepin/pool/main/m/mesa/libwayland-egl1-mesa_13.0.6-1_amd64.deb  Hash Sum mismatch
   Hashes of expected file:
    - SHA256:7348b0fc898c0da3792830af39e22098ebb0683dfc7b3ebf5b2f1fd50efeb877
    - SHA1:cebb2bbab8648f102d082d5ba2c91a2c10278c8e [weak]
    - MD5Sum:4fd97e3266038d5692fa47e0db0b5e00 [weak]
    - Filesize:42700 [weak]
   Hashes of received file:
    - SHA256:d3404391f7b06e991c111f60982f169f909bf18a22634261a12f4ba4415eb315
    - SHA1:c623fd2003bd37d07418316ea3848d1e904a6ea3 [weak]
    - MD5Sum:cbe286d9fcc8b477aa16edca0cd78530 [weak]
    - Filesize:42700 [weak]
   Last modification reported: Tue, 21 Mar 2017 13:58:49 +0000
E: Failed to fetch http://packages.deepin.com/deepin/pool/main/libw/libwebp/libwebpmux2_0.5.2-1_i386.deb  Hash Sum mismatch
   Hashes of expected file:
    - SHA256:4056a83b00a4fc119dff0031545970b4fccc37421a046990a60045ce04e300de
    - SHA1:559e2c78fde6d48f06d8c42ae65127edc6511867 [weak]
    - MD5Sum:5a76269da3822eeabc7c6a49b8c9b615 [weak]
    - Filesize:84932 [weak]
   Hashes of received file:
    - SHA256:838ec7f3e1b384ecf368b474ae9501c64f090da75776eaeae7a32387f6c78066
    - SHA1:7df5ec25fbb02029648bc6ebe64640dbc02f8ec2 [weak]
    - MD5Sum:0c8a4f5a1261c61fa106ed5e91a1dcee [weak]
    - Filesize:84932 [weak]
   Last modification reported: Tue, 03 Jan 2017 19:58:46 +0000
fan@air12:~$