fix：修复插值法的bug

services/data/correlation/chart_info.go

@@ -86,6 +86,13 @@ func HandleDataByLinearRegression(originList []*models.EdbDataList, handleDataMa
 			}
 		}
 
+		// 最后将自己赋值
+		newList = append(newList, &models.EdbDataList{
+			EdbDataId: v.EdbDataId,
+			DataTime:  v.DataTime,
+			Value:     v.Value,
+		})
+
 		startEdbInfoData = v
 	}
 	return