Merge branch 'dev' of http://gitlab.fjmaimaimai.com/mmm-go/oppmg into dev

@@ -804,7 +804,7 @@ func ValidFormList(inputs []*protocol.InputElement) (msg *protocol.ResponseMessa
 	var countBasicRequire int
 	for i := range inputs {
 		input := inputs[i]
-		if len([]rune(input.Label)) > 20 {
+		if len([]rune(input.Label)) > 50 {
 			msg = protocol.BadRequestParam("10273")
 			return
 		}