diff --git a/generate/swaggergen/g_docs.go b/generate/swaggergen/g_docs.go
index eb5de2e..e8bb088 100644
--- a/generate/swaggergen/g_docs.go
+++ b/generate/swaggergen/g_docs.go
@@ -832,7 +832,7 @@ func setParamType(para *swagger.Parameter, typ string, pkgpath, controllerName s
 				Type:   paraType,
 				Format: paraFormat,
 			}
-            para.CollectionFormat = "multi"
+			para.CollectionFormat = "multi"
 		}
 	} else {
 		para.Type = paraType