diff --git a/routers/field_validation_filter.go b/routers/field_validation_filter.go
index 1b4fe7c4..9fc35423 100644
--- a/routers/field_validation_filter.go
+++ b/routers/field_validation_filter.go
@@ -23,7 +23,7 @@ import (
 	"github.com/beego/beego/context"
 )
 
-var forbiddenChars = `/?:@#&%=+;`
+var forbiddenChars = `/?:#&%=+;`
 
 func FieldValidationFilter(ctx *context.Context) {
 	if ctx.Input.Method() != "POST" {