diff --git a/modules/user/api_modifysign.go b/modules/user/api_modifysign.go
index 9da419ce2..4448ec659 100644
--- a/modules/user/api_modifysign.go
+++ b/modules/user/api_modifysign.go
@@ -3,6 +3,7 @@ package user
 import (
 	"go_dreamfactory/comm"
 	"go_dreamfactory/pb"
+	"go_dreamfactory/sys/wordfilter"
 )
 
 // 修改签名
@@ -13,6 +14,14 @@ func (this *apiComp) ModifysignCheck(session comm.IUserSession, req *pb.UserModi
 			Code:  pb.ErrorCode_ReqParameterError,
 			Title: pb.ErrorCode_ReqParameterError.ToString(),
 		}
+		return
+	}
+
+	if ok, _ := wordfilter.FindIn(req.Sign); !ok {
+		errdata = &pb.ErrorData{
+			Code:  pb.ErrorCode_UserNickSensitive,
+			Title: pb.ErrorCode_UserNickSensitive.ToString(),
+		}
 	}
 	return
 }