diff --git a/pkg/proto/auth/auth.go b/pkg/proto/auth/auth.go
new file mode 100644
index 000000000..e7189afab
--- /dev/null
+++ b/pkg/proto/auth/auth.go
@@ -0,0 +1,30 @@
+package auth
+
+import "github.com/OpenIMSDK/Open-IM-Server/pkg/errs"
+
+func (x *UserTokenReq) Check() error {
+	if x.UserID == "" {
+		return errs.ErrArgs.Wrap("userID is empty")
+	}
+	if x.PlatformID > 9 || x.PlatformID < 1 {
+		return errs.ErrArgs.Wrap("platform is invalidate")
+	}
+	return nil
+}
+
+func (x *ForceLogoutReq) Check() error {
+	if x.UserID == "" {
+		return errs.ErrArgs.Wrap("userID is empty")
+	}
+	if x.PlatformID > 9 || x.PlatformID < 1 {
+		return errs.ErrArgs.Wrap("platformID is invalidate")
+	}
+	return nil
+}
+
+func (x *ParseTokenReq) Check() error {
+	if x.Token == "" {
+		return errs.ErrArgs.Wrap("userID is empty")
+	}
+	return nil
+}