diff --git a/business/jxstore/report/report.go b/business/jxstore/report/report.go
index 9003b8de4..1227fef30 100644
--- a/business/jxstore/report/report.go
+++ b/business/jxstore/report/report.go
@@ -560,6 +560,7 @@ func CalculateCoverArea(coordinate []string, vendorID int) (area float64) {
 	for i := 0; i < len(xyList)-1; i++ {
 		// sum += (xyList[i+1][0] - xyList[i][0]) * (xyList[i+1][1] + xyList[i][1])
 		sum += (xyList[i][0]*xyList[i+1][1] - xyList[i+1][0]*xyList[i][1])
+		fmt.Println("CalculateCoverArea ,", sum, xyList[i][0]*xyList[i+1][1], xyList[i+1][0]*xyList[i][1])
 	}
 	// sum += (xyList[0][0] - xyList[len(xyList)-1][0]) * (xyList[0][1] + xyList[len(xyList)-1][1])
 	sum += (xyList[len(xyList)-1][0]*xyList[0][1] - xyList[0][0]*xyList[len(xyList)-1][1])