refactor webhook *NewPost

Author: oliverpool

modules/web/middleware/binding.go

@@ -136,7 +136,14 @@ func Validate(errs binding.Errors, data map[string]interface{}, f Form, l transl
 			case validation.ErrRegexPattern:
 				data["ErrorMsg"] = trName + l.Tr("form.regex_pattern_error", errs[0].Message)
 			default:
-				data["ErrorMsg"] = l.Tr("form.unknown_error") + " " + errs[0].Classification
+				msg := errs[0].Classification
+				if msg == "" {
+					msg = errs[0].Message
+				}
+				if msg == "" {
+					msg = l.Tr("form.unknown_error")
+				}
+				data["ErrorMsg"] = trName + ": " + msg
 			}
 			return errs
 		}