diff --git a/business/model/job.go b/business/model/job.go
index 286477f20..73edeff29 100644
--- a/business/model/job.go
+++ b/business/model/job.go
@@ -125,7 +125,7 @@ type Job struct {
 	BrowseCount          int        `json:"browseCount"`                                 //任务浏览量，点一下加一下
 	UnionImg             string     `json:"unionImg"`                                    //联盟任务分享链接的背景图
 	UnionQrcodePosition  string     `json:"unionQrcodePosition"`                         //联盟任务分享链接的二维码图的方位
-	UnionActID           int        `orm:"column(union_act_id)" json:"unionActID"`       //联盟任务ID
+	UnionActID           string     `orm:"column(union_act_id)" json:"unionActID"`       //联盟任务ID
 	// JobSteps             []*JobStep `orm:"-" json:"jobSteps"`
 	// JobImgs              []*JobImg  `orm:"-" json:"jobImgs"`
 }