diff --git a/shared/domain/backEndField/params.ts b/shared/domain/backEndField/params.ts
index 5adc178aa..21d792bb0 100644
--- a/shared/domain/backEndField/params.ts
+++ b/shared/domain/backEndField/params.ts
@@ -383,18 +383,18 @@ export class UpdateActivityParam {
                 this.activityIds.push(parseInt(aidStr));
             });
         }
-        if(obj.groupId)this.groupId = obj.groupId;
-        if(obj.beginTime) this.beginTime = new Date(obj.beginTime);
-        if(obj.endTime) this.endTime = new Date(obj.endTime);
-        if(obj.type) this.type = obj.type;
-        if(obj.data) this.data = obj.data;
-        if(obj.timeType) this.timeType = obj.timeType;
-        if(obj.days) this.days = obj.days;
-        if(obj.delayDay) this.delayDay = obj.delayDay;
-        if(obj.interval) this.interval = obj.interval;
-        if(obj.name) this.name = obj.name;
-        if(obj.hideDayByServer) this.hideDayByServer = obj.hideDayByServer;
-        if(obj.effectDay) this.effectDay = obj.effectDay;
+        if(obj.groupId != undefined)this.groupId = obj.groupId;
+        if(obj.beginTime != undefined) this.beginTime = new Date(obj.beginTime);
+        if(obj.endTime != undefined) this.endTime = new Date(obj.endTime);
+        if(obj.type != undefined) this.type = obj.type;
+        if(obj.data != undefined) this.data = obj.data;
+        if(obj.timeType != undefined) this.timeType = obj.timeType;
+        if(obj.days != undefined) this.days = obj.days;
+        this.delayDay = obj.delayDay||0;
+        this.interval = obj.interval||0;
+        this.effectDay = obj.effectDay||0;
+        this.hideDayByServer = obj.hideDayByServer||0;
+        if(obj.name != undefined) this.name = obj.name;
         if(obj.multiTime && obj.multiTime.length) {
             this.multiTime = [];
             for(let { id, beginTime, endTime } of obj.multiTime) {