diff --git a/main.go b/main.go
index d601b63..2ea6055 100644
--- a/main.go
+++ b/main.go
@@ -1899,7 +1899,7 @@ func sendStatusChangeEmail(app *pocketbase.PocketBase, record *models.Record, ne
 		body = fmt.Sprintf(`
 			<p>Dear %s,</p>
 			<p>We are pleased to inform you that your registration with FCSC has been approved. You can now log in using the credentials that you had created.</p>
-			<p>Please access your account using the following link: <a href="http://your-login-url.com">"Access Your Account</a>.</p>
+			<p>Please access your account using the following link: <a href="http://your-login-url.com"> Access Your Account</a>.</p>
 			<p>If you have any questions, please feel free to contact us for further clarification.</p>
 			</br>
 			<p>Best regards,</p>
diff --git a/pb_data/data.db b/pb_data/data.db
index a750f8f..1d0bcdd 100644
Binary files a/pb_data/data.db and b/pb_data/data.db differ
diff --git a/pb_data/logs.db b/pb_data/logs.db
index 598055a..7018cf0 100644
Binary files a/pb_data/logs.db and b/pb_data/logs.db differ
diff --git a/utils/card_calculation.go b/utils/card_calculation.go
index 0cb8bef..ae861c8 100644
--- a/utils/card_calculation.go
+++ b/utils/card_calculation.go
@@ -20,12 +20,13 @@ type Observation struct {
 
 // ------------------------------------------------------------ card calculation---------------------------------------------------
 type CardCalculationRequest struct {
-	Formula      string `json:"formula"`
-	RecordCount  string `json:"record_count"`
-	RecodeIndex  string `json:"record_index"`
-	RecordKey    string `json:"record_key"`
-	NumberFormat string `json:"number_format"`
-	Conversion   string `json:"conversion"`
+	Formula             string `json:"formula"`
+	RecordCount         string `json:"record_count"`
+	RecodeIndex         string `json:"record_index"`
+	RecordKey           string `json:"record_key"`
+	AdditionalRecordKey string `json:"additional_record_key"`
+	NumberFormat        string `json:"number_format"`
+	Conversion          string `json:"conversion"`
 }
 
 func CardCalculation(data []Observation, req CardCalculationRequest) (map[string]string, error) {
@@ -76,11 +77,31 @@ func CardCalculation(data []Observation, req CardCalculationRequest) (map[string
 	}
 
 	convertedValue := applyConversion(result, req.Conversion, req.NumberFormat)
-	displayValue := extractRecordKeyValue(selectedData, req.RecordKey, req.Formula, result)
+	fmt.Println("AdditionalRecordKey:", req.AdditionalRecordKey)
+	displayValue := extractRecordKeyValue(selectedData, req.RecordKey, req.AdditionalRecordKey, req.Formula, result)
+
+	color := ""
+	if req.Formula == "different" {
+		// Remove the percentage sign if present
+		convertedValueStr := strings.TrimSuffix(convertedValue, "%")
+
+		// Convert to float
+		convertedValue, err := strconv.ParseFloat(convertedValueStr, 64)
+		if err != nil {
+			return nil, err // Handle error if conversion fails
+		}
+		if convertedValue > 0 {
+			color = "#11AF22"
+		} else if convertedValue < 0 {
+			color = "#D83731"
+		}
+	}
 
 	return map[string]string{
 		"value":         convertedValue,
 		"display_value": displayValue,
+		"calculation":   req.Formula,
+		"font_color":    color,
 	}, nil
 }
 
@@ -237,7 +258,7 @@ func applyConversion(value float64, conversion string, numberFormat string) stri
 	}
 }
 
-func extractRecordKeyValue(data []Observation, key string, formula string, targetValue float64) string {
+func extractRecordKeyValue(data []Observation, key string, additionalkey string, formula string, targetValue float64) string {
 	if len(data) == 0 {
 		return ""
 	}
@@ -248,10 +269,18 @@ func extractRecordKeyValue(data []Observation, key string, formula string, targe
 			value, err := obs.ObsValue.Value.Float64()
 			if err == nil && value == targetValue {
 				if val, exists := obs.ObsKey[key]; exists {
-					return val
+					fmt.Println("additionalkey:", additionalkey)
+					// Check if additionalkey exists in obs.ObsKey
+					if val2, exists2 := obs.ObsKey[additionalkey]; exists2 {
+						fmt.Println("val2:", val2)
+						return val + " - " + val2
+					} else {
+						return val
+					}
 				}
 			}
 		}
+
 	case "total", "average", "different":
 		if val1, exists1 := data[0].ObsKey[key]; exists1 {
 			if val2, exists2 := data[len(data)-1].ObsKey[key]; exists2 {