From bf4ee1f6ab8f50718fb9666821a7f5b74454ccbc Mon Sep 17 00:00:00 2001
From: zouap <zouap@pcl.ac.cn>
Date: Tue, 16 Nov 2021 17:56:11 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E6=94=B9=E5=8A=A0=E5=85=A5=E6=9C=88?=
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Signed-off-by: zouap <zouap@pcl.ac.cn>
---
 models/user_business_analysis.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/models/user_business_analysis.go b/models/user_business_analysis.go
index 19a24dbac..1223224ee 100644
--- a/models/user_business_analysis.go
+++ b/models/user_business_analysis.go
@@ -674,5 +674,8 @@ func subMonth(t1, t2 time.Time) (month int) {
 	}
 	monthInterval %= 12
 	month = yearInterval*12 + monthInterval
+	if month == 0 {
+		month = 1
+	}
 	return month
 }