diff --git a/SolarPower/Controllers/OperationController.cs b/SolarPower/Controllers/OperationController.cs
index 2ddb184..9a00d89 100644
--- a/SolarPower/Controllers/OperationController.cs
+++ b/SolarPower/Controllers/OperationController.cs
@@ -540,6 +540,7 @@ namespace SolarPower.Controllers
                         WorkType = (int)OperationRecodeWorkTypeEnum.Fix,
                         ErrorCode = post.ErrorCode,
                         FixDo = post.FixDo,
+                        FixFirm = post.FixFirm,
                         Status = post.Status,
                         WorkPersonId = post.WorkPersonId,
                         FinishTime = finishTime,
@@ -557,6 +558,7 @@ namespace SolarPower.Controllers
                         "WorkType",
                         "ErrorCode",
                         "FixDo",
+                        "FixFirm",
                         "Status",
                         "WorkPersonId",
                         "FinishTime",
@@ -609,6 +611,7 @@ namespace SolarPower.Controllers
                         Id = post.Id,
                         ErrorCode = post.ErrorCode,
                         FixDo = post.FixDo,
+                        FixFirm = post.FixFirm,
                         Status = post.Status,
                         FinishTime = !string.IsNullOrEmpty(finishTime) ? finishTime : null,
                         WorkPersonId = post.WorkPersonId,
@@ -625,6 +628,7 @@ namespace SolarPower.Controllers
                         "Id",
                         "ErrorCode",
                         "FixDo",
+                        "FixFirm",
                         "Status",
                         "FinishTime",
                         "WorkTime",
diff --git a/SolarPower/DBSchema/solar_power_schema.sql b/SolarPower/DBSchema/solar_power_schema.sql
index a7e41be..f84046d 100644
--- a/SolarPower/DBSchema/solar_power_schema.sql
+++ b/SolarPower/DBSchema/solar_power_schema.sql
@@ -2159,6 +2159,10 @@ ALTER TABLE `device`
 	ADD COLUMN `WarrantyDate` TIMESTAMP NULL DEFAULT NULL COMMENT '保固日期' AFTER `InstallDate`,
 	ADD COLUMN `BrandNum` VARCHAR(50) NULL DEFAULT NULL COMMENT '廠商序號' AFTER `Brand`;
 
+-- 新增運維作業紀錄加入廠商 20210825
+ALTER TABLE `operation_record`
+	ADD COLUMN `FixFirm` INT(10) UNSIGNED NOT NULL DEFAULT '0' COMMENT '負責廠商' AFTER `FixDo`;
+
 
 /*!40101 SET SQL_MODE=IFNULL(@OLD_SQL_MODE, '') */;
 /*!40014 SET FOREIGN_KEY_CHECKS=IFNULL(@OLD_FOREIGN_KEY_CHECKS, 1) */;
diff --git a/SolarPower/Models/Operation.cs b/SolarPower/Models/Operation.cs
index d0bf3a1..84e0401 100644
--- a/SolarPower/Models/Operation.cs
+++ b/SolarPower/Models/Operation.cs
@@ -134,6 +134,7 @@ namespace SolarPower.Models
         public byte WorkType { get; set; }
         public string ErrorCode { get; set; }
         public string FixDo { get; set; }
+        public byte FixFirm { get; set; }
         public byte Status { get; set; }
         public int WorkPersonId { get; set; }
         public string StartTime
@@ -281,6 +282,7 @@ namespace SolarPower.Models
         public byte WorkType { get; set; }
         public string ErrorCode { get; set; }
         public string FixDo { get; set; }
+        public byte FixFirm { get; set; }
         public byte Status { get; set; }
         public int WorkPersonId { get; set; }
         public string StartTime { get; set; }//開始時間
@@ -298,6 +300,7 @@ namespace SolarPower.Models
         public string SerialNumber { get; set; }
         public string ErrorCode { get; set; }
         public string FixDo { get; set; }
+        public byte FixFirm { get; set; }
         public byte Status { get; set; }
         public int WorkPersonId { get; set; }
         public string FinishTime { get; set; } // 完成時間
diff --git a/SolarPower/Repository/Implement/PowerStationRepository.cs b/SolarPower/Repository/Implement/PowerStationRepository.cs
index 5abf259..d5f325b 100644
--- a/SolarPower/Repository/Implement/PowerStationRepository.cs
+++ b/SolarPower/Repository/Implement/PowerStationRepository.cs
@@ -1569,19 +1569,18 @@ namespace SolarPower.Repository.Implement
             }
         }
 
-        public async Task<List<FirmlSelectItemList>> GetFirmlSelectOptionListAsync(int powerStationId)
+        public async Task<List<FirmlSelectItemList>> GetFimlSelectOptionListAsync(int powerStationId, string siteDB)
         {
             List<FirmlSelectItemList> result;
             using (IDbConnection conn = this._databaseHelper.GetConnection())
             {
                 try
                 {
-                    var sql = @$"SELECT u.Id AS Value, u.Name AS Text 
-                                FROM power_station_operation_personnel op
-                                LEFT JOIN user u ON op.UserId = u.Id
-                                WHERE op.Deleted = 0 AND op.PowerStationId = @PowerStationId";
+                    var sql = @$"SELECT aa.Id AS Value, aa.Name AS Text 
+                                FROM {siteDB}.operation_firm aa
+                                WHERE aa.Deleted = 0 AND aa.PowerStationId = @PowerStationId";
 
-                    result = (await conn.QueryAsync<OperationPersonnelSelectItemList>(sql, new { PowerStationId = powerStationId })).ToList();
+                    result = (await conn.QueryAsync<FirmlSelectItemList>(sql, new { PowerStationId = powerStationId })).ToList();
                 }
                 catch (Exception exception)
                 {
diff --git a/SolarPower/Views/Operation/OperationRecord.cshtml b/SolarPower/Views/Operation/OperationRecord.cshtml
index f2a269b..313c5f1 100644
--- a/SolarPower/Views/Operation/OperationRecord.cshtml
+++ b/SolarPower/Views/Operation/OperationRecord.cshtml
@@ -204,7 +204,7 @@
                         <div class="col-lg-6">
                             <div class="form-group">
                                 <label class="form-label" for="fix_firm_modal">負責廠商</label>
-                                <select></select>
+                                <select class="form-control" id="fix_firm_select_modal"></select>
                             </div>
                         </div>
                     </div>
@@ -398,17 +398,15 @@
                         return;
                     }
 
-                    $("#work_person_select_modal").empty();
+                    $("#fix_firm_select_modal").empty();
                     if (rel.data.length > 0) {
 
                         $.each(rel.data, function (index, val) {
-                            $("#work_person_select_modal").append($("<option />").val(val.value).text(val.text));
+                            $("#fix_firm_select_modal").append($("<option />").val(val.value).text(val.text));
                         });
-
-                        if (recode != null || recode != undefined) {
-                            $("#work_person_select_modal").val(recode.workPersonId);
-                        }
                     }
+
+                    $("#fix_firm_select_modal").val($("#fix_firm_select_modal option:first").val()).trigger('change');
                 });
             });
             //#endregion
@@ -882,6 +880,7 @@
                 formData.append("WorkType", selected_work_type);
                 formData.append("ErrorCode", $("#error_code_modal").val());
                 formData.append("FixDo", $("#fix_do_modal").val());
+                formData.append("FixFirm", $("#fix_firm_select_modal").val());
                 formData.append("Status", $("input[name=status_modal]:checked").val());
                 formData.append("WorkPersonId", $("#work_person_select_modal").val());
                 formData.append("WorkTime", $("#work_time_modal").val());