enhance(meter):恢复对于表计类型的解析错误提示，并在表计类型解析出现错误的时候停下来。

model/enums.go

@@ -1,6 +1,7 @@
 package model
 
 import (
+	"fmt"
 	"strings"
 )
 
@@ -19,19 +20,18 @@ const (
 	METER_INSTALLATION_TENEMENT int16 = iota
 	METER_INSTALLATION_PARK
 	METER_INSTALLATION_POOLING
-	METER_INSTALLATION_UNDEFINED = 99
 )
 
-func ParseMeterInstallationType(s string) int16 {
+func ParseMeterInstallationType(s string) (int16, error) {
 	switch {
 	case strings.Contains(s, "商户"):
-		return METER_INSTALLATION_TENEMENT
+		return METER_INSTALLATION_TENEMENT, nil
 	case strings.Contains(s, "公共"):
-		return METER_INSTALLATION_PARK
+		return METER_INSTALLATION_PARK, nil
 	case strings.Contains(s, "楼道"):
-		return METER_INSTALLATION_POOLING
+		return METER_INSTALLATION_POOLING, nil
 	default:
-		return METER_INSTALLATION_UNDEFINED
+		return -1, fmt.Errorf("提供了一个无法识别的表计类型: %s", s)
 	}
 }