fix build

go.sum

@@ -17,8 +17,7 @@ cloud.google.com/go/storage v1.30.1/go.mod h1:NfxhC0UJE1aXSx7CIIbCf7y9HKT7Biccwk
 firebase.google.com/go v3.13.0+incompatible h1:3TdYC3DDi6aHn20qoRkxwGqNgdjtblwVAyRLQwGn/+4=
 firebase.google.com/go v3.13.0+incompatible/go.mod h1:xlah6XbEyW6tbfSklcfe5FHJIwjt8toICdV5Wh9ptHs=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
-github.com/OpenIMSDK/protocol v0.0.3 h1:CFQtmnyW+1dYKVFaVaHcJ6oYuMiMdNfU2gC1xz3K/9I=
-github.com/OpenIMSDK/protocol v0.0.3/go.mod h1:F25dFrwrIx3lkNoiuf6FkCfxuwf8L4Z8UIsdTHP/r0Y=
+github.com/OpenIMSDK/protocol v0.0.4 h1:zEEAi677nog+k4u3e5h36nvYeb1XAwcKQ3Uc2tzxHYs=
 github.com/OpenIMSDK/protocol v0.0.4/go.mod h1:F25dFrwrIx3lkNoiuf6FkCfxuwf8L4Z8UIsdTHP/r0Y=
 github.com/OpenIMSDK/tools v0.0.13 h1:rcw4HS8S2DPZR9UOBxD8/ol9UBMzXBypzOVEytDRIMo=
 github.com/OpenIMSDK/tools v0.0.13/go.mod h1:eg+q4A34Qmu73xkY0mt37FHGMCMfC6CtmOnm0kFEGFI=