提交代码。

Signed-off-by: zouap <zouap@pcl.ac.cn>

models/user_business_analysis.go

@@ -1103,6 +1103,9 @@ func updateNewUserAcitivity(currentUserActivity map[int64]map[int64]int64, userA
 }
 
 func setUniqueUserId(jsonString string, value map[int64]int64) (string, int) {
+	if value == nil {
+		value = make(map[int64]int64, 0)
+	}
 	userIdArrays := strings.Split(jsonString, ",")
 	for _, userIdStr := range userIdArrays {
 		userIdInt, err := strconv.ParseInt(userIdStr, 10, 64)