diff --git a/SolarPower/Controllers/AnalysisStationInfoController.cs b/SolarPower/Controllers/AnalysisStationInfoController.cs
index bf7831f..34ef549 100644
--- a/SolarPower/Controllers/AnalysisStationInfoController.cs
+++ b/SolarPower/Controllers/AnalysisStationInfoController.cs
@@ -151,6 +151,7 @@ namespace SolarPower.Controllers
                 analysisDevice.MultipleYaxes = new Dictionary<string, string>()
                 {
                     { "KWH", "發電量"},
+                    { "IrrDay", "累計日照度"},
                     { "Irradiance", "日照度"},
                     { "KWHKWP", "發電小時"},
                     { "PR", "PR %"},
@@ -551,6 +552,10 @@ namespace SolarPower.Controllers
                         var YaxesKey = "";
                         switch (device.Type)
                         {
+                            case "TPY": //日照計
+                                suffix = analysisDevice.MultipleYaxes["IrrDay"];
+                                YaxesKey = "IrrDay";
+                                break;
                             case "PYR": //日照計
                                 suffix = analysisDevice.MultipleYaxes["Irradiance"];
                                 YaxesKey = "Irradiance";