diff --git a/SolarPower/Repository/Implement/CompanyRepository.cs b/SolarPower/Repository/Implement/CompanyRepository.cs
index 179f1f8..8f713bf 100644
--- a/SolarPower/Repository/Implement/CompanyRepository.cs
+++ b/SolarPower/Repository/Implement/CompanyRepository.cs
@@ -620,9 +620,9 @@ namespace SolarPower.Repository.Implement
                                       `Id` int(10) unsigned NOT NULL AUTO_INCREMENT,
                                       `Deleted` tinyint(4) NOT NULL DEFAULT '0' COMMENT '是否刪除， 0:否 1:是',
                                       `PowerStationId` int(10) unsigned NOT NULL DEFAULT '0' COMMENT '電站編號',
-                                      `Type` tinyint(4) NOT NULL DEFAULT '0' COMMENT '類型，0:PR值',
-                                      `UpperLimit` decimal(10,2) NOT NULL DEFAULT '0.00' COMMENT '上限值',
-                                      `LowerLimit` decimal(10,2) NOT NULL DEFAULT '0.00' COMMENT '下限值',
+                                      `Type` varchar(50) COLLATE utf8mb4_unicode_ci DEFAULT '0' COMMENT '類型，PR值',
+                                      `UpperLimit` decimal(10,2) DEFAULT NULL COMMENT '上限值',
+                                      `LowerLimit` decimal(10,2) DEFAULT NULL COMMENT '下限值',
                                       `Alarm` tinyint(4) NOT NULL DEFAULT '0' COMMENT '警報方式，0:email通知',
                                       `CreatedBy` int(10) unsigned NOT NULL COMMENT '建立者',
                                       `CreatedAt` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '建立時間',