diff --git a/AMESCoreStudio.Web/Controllers/PCSController.cs b/AMESCoreStudio.Web/Controllers/PCSController.cs
index 1427d37e..aeee2dd4 100644
--- a/AMESCoreStudio.Web/Controllers/PCSController.cs
+++ b/AMESCoreStudio.Web/Controllers/PCSController.cs
@@ -6196,6 +6196,21 @@ namespace AMESCoreStudio.Web.Controllers
                         });
                     }
                 }
+                // 差異SOP F
+                if (wipSOP.Where(w => w.UnitNo == stationUnit && w.SOPType == "F").Any())
+                {
+                    var wipSOPTypeF = wipSOP.Where(w => w.UnitNo == stationUnit && w.SOPType == "F")
+                                            .OrderByDescending(w => w.UpdateTime).FirstOrDefault();
+                    var Esop = await _pcsApi.GetDocEsopViewByNo(wipSOPTypeF.SOPName);
+                    if (Esop.Count != 0)
+                    {
+                        model.Sops.Add(new PCS021ViewModel_SOP
+                        {
+                            SopName = "差異SOP",
+                            SopPath = $@"/DocEsop/{Esop.FirstOrDefault().file_path}"
+                        });
+                    }
+                }
                 // 暫行SOP D
                 if (wipSOP.Where(w => w.UnitNo == stationUnit && w.SOPType == "D").Any())
                 {
diff --git a/AMESCoreStudio.WebApi/Enums/EnumPCS.cs b/AMESCoreStudio.WebApi/Enums/EnumPCS.cs
index 075de1b7..2d712cd7 100644
--- a/AMESCoreStudio.WebApi/Enums/EnumPCS.cs
+++ b/AMESCoreStudio.WebApi/Enums/EnumPCS.cs
@@ -344,6 +344,12 @@ namespace AMESCoreStudio.WebApi.Enum
             /// </summary>
             [Display(Name = "REWORK")]
             E = 5,
+
+            /// <summary>
+            /// 差異SOP
+            /// </summary>
+            [Display(Name = "差異SOP")]
+            F = 6,
         }
 
         /// <summary>