diff --git a/src/lib/currency.ts b/src/lib/currency.ts
index 4c9636e8..9dbc21fc 100644
--- a/src/lib/currency.ts
+++ b/src/lib/currency.ts
@@ -3,7 +3,11 @@ import { ALL_CURRENCIES, DEFAULT_CURRENCY_SYMBOL } from '@/consts/currency.ts';
 
 import { isString, isNumber } from './common.ts';
 
-export function getCurrencyFraction(currencyCode: string): number | undefined {
+export function getCurrencyFraction(currencyCode?: string): number | undefined {
+    if (!currencyCode) {
+        return undefined;
+    }
+
     const currencyInfo = ALL_CURRENCIES[currencyCode];
     return currencyInfo?.fraction;
 }
diff --git a/src/lib/ui/common.ts b/src/lib/ui/common.ts
index 06020635..42f7a3e9 100644
--- a/src/lib/ui/common.ts
+++ b/src/lib/ui/common.ts
@@ -10,7 +10,7 @@ export function getSystemTheme(): ThemeType {
     }
 }
 
-export function getExpenseAndIncomeAmountColor(expenseAmountColorType: number, incomeAmountColorType: number, isDarkMode: boolean): AmountColor {
+export function getExpenseAndIncomeAmountColor(expenseAmountColorType: number, incomeAmountColorType: number, isDarkMode?: boolean): AmountColor {
     let expenseAmountColor = expenseAmountColorType ? PresetAmountColor.valueOf(expenseAmountColorType) : null;
     let incomeAmountColor = incomeAmountColorType ? PresetAmountColor.valueOf(incomeAmountColorType) : null;
 
diff --git a/src/locales/helpers.ts b/src/locales/helpers.ts
index e9c1a3a7..b74ba7eb 100644
--- a/src/locales/helpers.ts
+++ b/src/locales/helpers.ts
@@ -17,20 +17,54 @@ import {
     LongTimeFormat,
     ShortTimeFormat
 } from '@/core/datetime.ts';
-import { type LocalizedAccountCategory, AccountType, AccountCategory } from '@/core/account.ts';
-import { TransactionEditScopeType, TransactionTagFilterType } from '@/core/transaction.ts';
-import { ScheduledTemplateFrequencyType } from '@/core/template.ts';
-import { StatisticsAnalysisType, CategoricalChartType, TrendChartType, ChartDataType, ChartSortingType, ChartDateAggregationType } from '@/core/statistics.ts';
+
+import {
+    type NumberFormatOptions,
+    DecimalSeparator,
+    DigitGroupingSymbol,
+    DigitGroupingType
+} from '@/core/numeral.ts';
+
+import {
+    type CurrencyPrependAndAppendText,
+    CurrencyDisplayType
+} from '@/core/currency.ts';
+
+import {
+    type LocalizedAccountCategory,
+    AccountType,
+    AccountCategory
+} from '@/core/account.ts';
+
+import {
+    TransactionEditScopeType,
+    TransactionTagFilterType
+} from '@/core/transaction.ts';
+
+import {
+    ScheduledTemplateFrequencyType
+} from '@/core/template.ts';
+
+import {
+    StatisticsAnalysisType,
+    CategoricalChartType,
+    TrendChartType,
+    ChartDataType,
+    ChartSortingType,
+    ChartDateAggregationType
+} from '@/core/statistics.ts';
 
 import type { LocaleDefaultSettings } from '@/core/setting.ts';
 import type { ErrorResponse } from '@/core/api.ts';
 
+import { ALL_CURRENCIES } from '@/consts/currency.ts';
 import { KnownErrorCode, SPECIFIED_API_NOT_FOUND_ERRORS, PARAMETERIZED_ERRORS } from '@/consts/api.ts';
 
 import {
+    isObject,
     isString,
     isNumber,
-    isObject
+    isBoolean
 } from '@/lib/common.ts';
 
 import {
@@ -40,8 +74,21 @@ import {
     getDateTimeFormatType
 } from '@/lib/datetime.ts';
 
-import logger from '@/lib/logger.ts';
+import {
+    appendDigitGroupingSymbol,
+    parseAmount,
+    formatAmount,
+    formatExchangeRateAmount,
+    getAdaptiveDisplayAmountRate
+} from '@/lib/numeral.ts';
+
+import {
+    getCurrencyFraction,
+    getAmountPrependAndAppendCurrencySymbol, appendCurrencySymbol
+} from '@/lib/currency.ts';
+
 import services from '@/lib/services.ts';
+import logger from '@/lib/logger.ts';
 
 import { useUserStore } from '@/stores/user.ts';
 
@@ -306,6 +353,30 @@ export function useI18n() {
         return getLocalizedDateTimeFormat<ShortTimeFormat>('shortTime', ShortTimeFormat.all(), ShortTimeFormat.values(), userStore.currentUserShortTimeFormat, 'shortTimeFormat', ShortTimeFormat.Default);
     }
 
+    function getNumberFormatOptions(currencyCode?: string): NumberFormatOptions {
+        return {
+            decimalSeparator: getCurrentDecimalSeparator(userStore.currentUserDecimalSeparator),
+            decimalNumberCount: getCurrencyFraction(currencyCode),
+            digitGroupingSymbol: getCurrentDigitGroupingSymbol(userStore.currentUserDigitGroupingSymbol),
+            digitGrouping: getCurrentDigitGroupingType(userStore.currentUserDigitGrouping),
+        };
+    }
+
+    function getCurrentCurrencyDisplayType(): CurrencyDisplayType {
+        let currencyDisplayType = CurrencyDisplayType.valueOf(userStore.currentUserCurrencyDisplayType);
+
+        if (!currencyDisplayType) {
+            const defaultCurrencyDisplayTypeName = t('default.currencyDisplayType');
+            currencyDisplayType = CurrencyDisplayType.parse(defaultCurrencyDisplayTypeName);
+        }
+
+        if (!currencyDisplayType) {
+            currencyDisplayType = CurrencyDisplayType.Default;
+        }
+
+        return currencyDisplayType;
+    }
+
     // public functions
     function translateIf(text: string, isTranslate: boolean): string {
         if (isTranslate) {
@@ -373,6 +444,20 @@ export function useI18n() {
         return t(`currency.name.${currencyCode}`);
     }
 
+    function getCurrencyUnitName(currencyCode: string, isPlural: boolean): string {
+        const currencyInfo = ALL_CURRENCIES[currencyCode];
+
+        if (currencyInfo && currencyInfo.unit) {
+            if (isPlural) {
+                return t(`currency.unit.${currencyInfo.unit}.plural`);
+            } else {
+                return t(`currency.unit.${currencyInfo.unit}.normal`);
+            }
+        }
+
+        return '';
+    }
+
     function getAllMeridiemIndicators(): LocalizedMeridiemIndicator {
         const allMeridiemIndicators = MeridiemIndicator.values();
         const meridiemIndicatorNames = [];
@@ -527,6 +612,51 @@ export function useI18n() {
         return joinMultiText(finalWeekdayNames);
     }
 
+    function getCurrentDecimalSeparator(decimalSeparator: number): string {
+        let decimalSeparatorType = DecimalSeparator.valueOf(decimalSeparator);
+
+        if (!decimalSeparatorType) {
+            const defaultDecimalSeparatorTypeName = t('default.decimalSeparator');
+            decimalSeparatorType = DecimalSeparator.parse(defaultDecimalSeparatorTypeName);
+
+            if (!decimalSeparatorType) {
+                decimalSeparatorType = DecimalSeparator.Default;
+            }
+        }
+
+        return decimalSeparatorType.symbol;
+    }
+
+    function getCurrentDigitGroupingSymbol(digitGroupingSymbol: number): string {
+        let digitGroupingSymbolType = DigitGroupingSymbol.valueOf(digitGroupingSymbol);
+
+        if (!digitGroupingSymbolType) {
+            const defaultDigitGroupingSymbolTypeName = t('default.digitGroupingSymbol');
+            digitGroupingSymbolType = DigitGroupingSymbol.parse(defaultDigitGroupingSymbolTypeName);
+
+            if (!digitGroupingSymbolType) {
+                digitGroupingSymbolType = DigitGroupingSymbol.Default;
+            }
+        }
+
+        return digitGroupingSymbolType.symbol;
+    }
+
+    function getCurrentDigitGroupingType(digitGrouping: number): number {
+        let digitGroupingType = DigitGroupingType.valueOf(digitGrouping);
+
+        if (!digitGroupingType) {
+            const defaultDigitGroupingTypeName = t('default.digitGrouping');
+            digitGroupingType = DigitGroupingType.parse(defaultDigitGroupingTypeName);
+
+            if (!digitGroupingType) {
+                digitGroupingType = DigitGroupingType.Default;
+            }
+        }
+
+        return digitGroupingType.type;
+    }
+
     function isLongDateMonthAfterYear() {
         return getLocalizedDateTimeType(LongDateFormat.all(), LongDateFormat.values(), userStore.currentUserLongDateFormat, 'longDateFormat', LongDateFormat.Default).isMonthAfterYear;
     }
@@ -562,6 +692,84 @@ export function useI18n() {
         }
     }
 
+    function getNumberWithDigitGroupingSymbol(value: number | string): string {
+        const numberFormatOptions = getNumberFormatOptions();
+        return appendDigitGroupingSymbol(value, numberFormatOptions);
+    }
+
+    function getParsedAmountNumber(value: string): number {
+        const numberFormatOptions = getNumberFormatOptions();
+        return parseAmount(value, numberFormatOptions);
+    }
+
+    function getFormattedAmount(value: number | string, currencyCode: string): string {
+        const numberFormatOptions = getNumberFormatOptions(currencyCode);
+        return formatAmount(value, numberFormatOptions);
+    }
+
+    function getFormattedAmountWithCurrency(value: number | string, currencyCode?: string, notConvertValue?: boolean, currencyDisplayType?: CurrencyDisplayType): string | null {
+        if (!isNumber(value) && !isString(value)) {
+            return null;
+        }
+
+        if (isNumber(value)) {
+            value = value.toString();
+        }
+
+        let textualValue = value as string;
+        const isPlural: boolean = textualValue !== '100' && textualValue !== '-100';
+
+        if (!notConvertValue) {
+            const numberFormatOptions = getNumberFormatOptions();
+            const hasIncompleteFlag = isString(textualValue) && textualValue.charAt(textualValue.length - 1) === '+';
+
+            if (hasIncompleteFlag) {
+                textualValue = textualValue.substring(0, textualValue.length - 1);
+            }
+
+            textualValue = formatAmount(textualValue, numberFormatOptions);
+
+            if (hasIncompleteFlag) {
+                textualValue = textualValue + '+';
+            }
+        }
+
+        if (!isBoolean(currencyCode) && !currencyCode) {
+            currencyCode = userStore.currentUserDefaultCurrency;
+        } else if (isBoolean(currencyCode) && !currencyCode) {
+            currencyCode = '';
+        }
+
+        if (!currencyCode) {
+            return textualValue;
+        }
+
+        if (!currencyDisplayType) {
+            currencyDisplayType = getCurrentCurrencyDisplayType();
+        }
+
+        const currencyUnit = getCurrencyUnitName(currencyCode, isPlural);
+        const currencyName = getCurrencyName(currencyCode);
+        return appendCurrencySymbol(textualValue, currencyDisplayType, currencyCode, currencyUnit, currencyName, isPlural);
+    }
+
+    function getFormattedExchangeRateAmount(value: number | string): string {
+        const numberFormatOptions = getNumberFormatOptions();
+        return formatExchangeRateAmount(value, numberFormatOptions);
+    }
+
+    function getAdaptiveAmountRate(amount1: number, amount2: number, fromExchangeRate: { rate: string }, toExchangeRate: { rate: string }): string | null {
+        const numberFormatOptions = getNumberFormatOptions();
+        return getAdaptiveDisplayAmountRate(amount1, amount2, fromExchangeRate, toExchangeRate, numberFormatOptions);
+    }
+
+    function getAmountPrependAndAppendText(currencyCode: string, isPlural: boolean): CurrencyPrependAndAppendText | null {
+        const currencyDisplayType = getCurrentCurrencyDisplayType();
+        const currencyUnit = getCurrencyUnitName(currencyCode, isPlural);
+        const currencyName = getCurrencyName(currencyCode);
+        return getAmountPrependAndAppendCurrencySymbol(currencyDisplayType, currencyCode, currencyUnit, currencyName, isPlural);
+    }
+
     function setLanguage(languageKey: string | null, force?: boolean): LocaleDefaultSettings | null {
         if (!languageKey) {
             languageKey = getDefaultLanguage();
@@ -677,6 +885,9 @@ export function useI18n() {
         getWeekdayLongName,
         getMultiMonthdayShortNames,
         getMultiWeekdayLongNames,
+        getCurrentDecimalSeparator,
+        getCurrentDigitGroupingSymbol,
+        getCurrentDigitGroupingType,
         isLongDateMonthAfterYear,
         isShortDateMonthAfterYear,
         isLongTime24HourFormat,
@@ -696,6 +907,13 @@ export function useI18n() {
         formatUnixTimeToLongTime: (unixTime: number, utcOffset?: number, currentUtcOffset?: number) => formatUnixTime(unixTime, getLocalizedLongTimeFormat(), utcOffset, currentUtcOffset),
         formatUnixTimeToShortTime: (unixTime: number, utcOffset?: number, currentUtcOffset?: number) => formatUnixTime(unixTime, getLocalizedShortTimeFormat(), utcOffset, currentUtcOffset),
         formatYearQuarter,
+        appendDigitGroupingSymbol: getNumberWithDigitGroupingSymbol,
+        parseAmount: getParsedAmountNumber,
+        formatAmount: getFormattedAmount,
+        formatAmountWithCurrency: getFormattedAmountWithCurrency,
+        formatExchangeRateAmount: getFormattedExchangeRateAmount,
+        getAdaptiveAmountRate,
+        getAmountPrependAndAppendText,
         setLanguage,
         setTimeZone,
         initLocale
diff --git a/src/models/transaction.ts b/src/models/transaction.ts
index 3b188d88..20621031 100644
--- a/src/models/transaction.ts
+++ b/src/models/transaction.ts
@@ -234,3 +234,11 @@ export interface TransactionOverviewResponseItem {
     incompleteExpenseAmount: boolean;
     amounts?: TransactionAmountsResponseItemAmountInfo[];
 }
+
+export interface TransactionMonthlyIncomeAndExpenseData {
+    monthStartTime: number;
+    incomeAmount: number;
+    expenseAmount: number;
+    incompleteIncomeAmount: boolean;
+    incompleteExpenseAmount: boolean;
+}
diff --git a/src/views/desktop/overview/cards/IncomeExpenseOverviewCard.vue b/src/views/desktop/overview/cards/IncomeExpenseOverviewCard.vue
index 20256231..c8010b19 100644
--- a/src/views/desktop/overview/cards/IncomeExpenseOverviewCard.vue
+++ b/src/views/desktop/overview/cards/IncomeExpenseOverviewCard.vue
@@ -20,7 +20,7 @@
             <v-skeleton-loader class="skeleton-no-margin mt-4 mb-8" type="text" width="120px" :loading="true" v-else-if="loading && !incomeAmount"></v-skeleton-loader>
             <div class="text-truncate text-h5 text-expense" v-if="!loading || expenseAmount">{{ expenseAmount }}</div>
             <v-skeleton-loader class="skeleton-no-margin mb-1" style="padding-bottom: 2px" type="text" width="120px" :loading="true" v-else-if="loading && !expenseAmount"></v-skeleton-loader>
-            <div class="text-truncate text-h5 mt-2 mb-7" style="padding-bottom: 2px" v-if="!loading && !incomeAmount && !expenseAmount">{{ $t('No data') }}</div>
+            <div class="text-truncate text-h5 mt-2 mb-7" style="padding-bottom: 2px" v-if="!loading && !incomeAmount && !expenseAmount">{{ tt('No data') }}</div>
         </v-card-text>
         <v-card-text class="mt-6">
             <span class="text-caption">{{ datetime }}</span>
@@ -28,27 +28,26 @@
     </v-card>
 </template>
 
-<script>
+<script setup lang="ts">
+import { useI18n } from '@/locales/helpers.ts';
+
 import {
     mdiDotsVertical
 } from '@mdi/js';
 
-export default {
-    props: [
-        'loading',
-        'disabled',
-        'icon',
-        'title',
-        'expenseAmount',
-        'incomeAmount',
-        'datetime'
-    ],
-    data() {
-        return {
-            icons: {
-                more: mdiDotsVertical
-            }
-        };
-    }
-}
+defineProps<{
+    loading: boolean;
+    disabled: boolean;
+    icon: string;
+    title: string;
+    expenseAmount: string;
+    incomeAmount: string;
+    datetime: string;
+}>();
+
+const { tt } = useI18n();
+
+const icons = {
+    more: mdiDotsVertical
+};
 </script>
diff --git a/src/views/desktop/overview/cards/MonthlyIncomeAndExpenseCard.vue b/src/views/desktop/overview/cards/MonthlyIncomeAndExpenseCard.vue
index ab94e19d..f3932452 100644
--- a/src/views/desktop/overview/cards/MonthlyIncomeAndExpenseCard.vue
+++ b/src/views/desktop/overview/cards/MonthlyIncomeAndExpenseCard.vue
@@ -1,7 +1,7 @@
 <template>
     <v-card :class="{ 'disabled': disabled }">
         <template #title>
-            <span>{{ $t('Income and Expense Trends') }}</span>
+            <span>{{ tt('Income and Expense Trends') }}</span>
         </template>
 
         <v-card-text class="overview-monthly-chart-container overview-monthly-chart-overlay" v-if="loading && !hasAnyData">
@@ -15,7 +15,7 @@
 
         <v-card-text class="overview-monthly-chart-container overview-monthly-chart-overlay" v-else-if="!loading && !hasAnyData">
             <div class="d-flex flex-column align-center justify-center w-100 h-100">
-                <h2 style="margin-top: -40px">{{ $t('No data') }}</h2>
+                <h2 style="margin-top: -40px">{{ tt('No data') }}</h2>
             </div>
         </v-card-text>
 
@@ -24,282 +24,290 @@
     </v-card>
 </template>
 
-<script>
-import { useTheme } from 'vuetify';
+<script setup lang="ts">
+import { computed } from 'vue';
+import type { ECElementEvent } from 'echarts/core';
+import type { CallbackDataParams } from 'echarts/types/dist/shared';
+
+import { useI18n } from '@/locales/helpers.ts';
 
-import { mapStores } from 'pinia';
 import { useSettingsStore } from '@/stores/setting.ts';
 import { useUserStore } from '@/stores/user.ts';
 
 import { TransactionType } from '@/core/transaction.ts';
+import { type TransactionMonthlyIncomeAndExpenseData } from '@/models/transaction.ts';
 import {
     parseDateFromUnixTime,
     getMonthName
 } from '@/lib/datetime.ts';
 import { getExpenseAndIncomeAmountColor } from '@/lib/ui/common.ts';
 
-export default {
-    props: [
-        'loading',
-        'data',
-        'disabled',
-        'isDarkMode',
-        'enableClickItem'
-    ],
-    emits: [
-        'click'
-    ],
-    computed: {
-        ...mapStores(useSettingsStore, useUserStore),
-        showAmountInHomePage() {
-            return this.settingsStore.appSettings.showAmountInHomePage;
-        },
-        defaultCurrency() {
-            return this.userStore.currentUserDefaultCurrency;
-        },
-        hasAnyData() {
-            if (!this.data || !this.data.length || this.data.length < 1) {
-                return false;
+interface MonthlyIncomeAndExpenseCardClickEvent {
+    transactionType: TransactionType;
+    monthStartTime: number;
+}
+
+const props = defineProps<{
+    loading: boolean;
+    data: TransactionMonthlyIncomeAndExpenseData[];
+    disabled: boolean;
+    isDarkMode?: boolean;
+    enableClickItem?: boolean;
+}>();
+const emit = defineEmits<{
+    (e: 'click', event: MonthlyIncomeAndExpenseCardClickEvent): void;
+}>();
+
+const { tt, getMonthShortName, formatAmountWithCurrency } = useI18n();
+
+const settingsStore = useSettingsStore();
+const userStore = useUserStore();
+
+const showAmountInHomePage = computed<boolean>(() => settingsStore.appSettings.showAmountInHomePage);
+const defaultCurrency = computed<string>(() => userStore.currentUserDefaultCurrency);
+const hasAnyData = computed<boolean>(() => {
+    if (!props.data || !props.data.length || props.data.length < 1) {
+        return false;
+    }
+
+    for (let i = 0; i < props.data.length; i++) {
+        const item = props.data[i];
+
+        if (item.incomeAmount > 0 || item.incomeAmount < 0 || item.expenseAmount > 0 || item.expenseAmount < 0) {
+            return true;
+        }
+    }
+
+    return false;
+});
+
+const chartOptions = computed<object>(() => {
+    const monthNames: string[] = [];
+    const incomeAmounts: number[] = [];
+    const expenseAmounts: number[] = [];
+    let minAmount = 0;
+    let maxAmount = 0;
+
+    const expenseIncomeAmountColor = getExpenseAndIncomeAmountColor(userStore.currentUserExpenseAmountColor, userStore.currentUserIncomeAmountColor, props.isDarkMode);
+
+    if (props.data) {
+        for (let i = 0; i < props.data.length; i++) {
+            const item = props.data[i];
+            const month = getMonthName(parseDateFromUnixTime(item.monthStartTime));
+
+            monthNames.push(getMonthShortName(month));
+            incomeAmounts.push(item.incomeAmount);
+            expenseAmounts.push(-item.expenseAmount);
+
+            if (item.incomeAmount > maxAmount) {
+                maxAmount = item.incomeAmount;
             }
 
-            for (let i = 0; i < this.data.length; i++) {
-                const item = this.data[i];
-
-                if (item.incomeAmount > 0 || item.incomeAmount < 0 || item.expenseAmount > 0 || item.expenseAmount < 0) {
-                    return true;
-                }
+            if (-item.expenseAmount > maxAmount) {
+                maxAmount = -item.expenseAmount;
             }
 
-            return false;
-        },
-        chartOptions() {
-            const self = this;
-            const monthNames = [];
-            const incomeAmounts = [];
-            const expenseAmounts = [];
-            let minAmount = 0;
-            let maxAmount = 0;
+            if (item.incomeAmount < minAmount) {
+                minAmount = item.incomeAmount;
+            }
 
-            const expenseIncomeAmountColor = getExpenseAndIncomeAmountColor(this.userStore.currentUserExpenseAmountColor, this.userStore.currentUserIncomeAmountColor, this.isDarkMode);
+            if (-item.expenseAmount < minAmount) {
+                minAmount = -item.expenseAmount;
+            }
+        }
+    }
 
-            if (self.data) {
-                for (let i = 0; i < self.data.length; i++) {
-                    const item = self.data[i];
-                    const month = getMonthName(parseDateFromUnixTime(item.monthStartTime));
+    const amountGap = maxAmount - minAmount;
 
-                    monthNames.push(self.$locale.getMonthShortName(month));
-                    incomeAmounts.push(item.incomeAmount);
-                    expenseAmounts.push(-item.expenseAmount);
+    return {
+        tooltip: {
+            trigger: 'axis',
+            axisPointer: {
+                type: 'shadow'
+            },
+            backgroundColor: props.isDarkMode ? '#333' : '#fff',
+            borderColor: props.isDarkMode ? '#333' : '#fff',
+            textStyle: {
+                color: props.isDarkMode ? '#eee' : '#333'
+            },
+            formatter: (params: CallbackDataParams[]) => {
+                let incomeAmount: string | null = null;
+                let expenseAmount: string | null = null;
 
-                    if (item.incomeAmount > maxAmount) {
-                        maxAmount = item.incomeAmount;
-                    }
+                for (let i = 0; i < params.length; i++) {
+                    const param = params[i];
+                    const dataIndex = param.dataIndex;
+                    const data = props.data[dataIndex];
 
-                    if (-item.expenseAmount > maxAmount) {
-                        maxAmount = -item.expenseAmount;
-                    }
-
-                    if (item.incomeAmount < minAmount) {
-                        minAmount = item.incomeAmount;
-                    }
-
-                    if (-item.expenseAmount < minAmount) {
-                        minAmount = -item.expenseAmount;
+                    if (param.seriesId === 'seriesIncome') {
+                        incomeAmount = getDisplayIncomeAmount(data);
+                    } else if (param.seriesId === 'seriesExpense') {
+                        expenseAmount = getDisplayExpenseAmount(data);
                     }
                 }
+
+                return `<table>` +
+                    `<thead>` +
+                    `<tr>` +
+                    `<td colspan="2" class="text-left">${params[0].name}</td>` +
+                    `</tr>` +
+                    `</thead>` +
+                    `<tbody>` +
+                    (
+                        incomeAmount !== null ?
+                        `<tr>` +
+                        `<td><span class="overview-monthly-chart-tooltip-indicator bg-income mr-1"></span><span class="mr-4">${tt('Income')}</span></td>` +
+                        `<td><strong>${incomeAmount}</strong></td>` +
+                        `</tr>` : ''
+                    )+
+                    (
+                        expenseAmount !== null ?
+                        `<tr>` +
+                        `<td><span class="overview-monthly-chart-tooltip-indicator bg-expense mr-1"></span><span class="mr-4">${tt('Expense')}</span></td>` +
+                        `<td><strong>${expenseAmount}</strong></td>` +
+                        `</tr>` : ''
+                    ) +
+                    `</tbody>` +
+                    `</table>`;
             }
-
-            const amountGap = maxAmount - minAmount;
-
-            return {
-                tooltip: {
-                    trigger: 'axis',
-                    axisPointer: {
-                        type: 'shadow'
-                    },
-                    backgroundColor: self.isDarkMode ? '#333' : '#fff',
-                    borderColor: self.isDarkMode ? '#333' : '#fff',
-                    textStyle: {
-                        color: self.isDarkMode ? '#eee' : '#333'
-                    },
-                    formatter: params => {
-                        let incomeAmount = 0;
-                        let expenseAmount = 0;
-
-                        for (let i = 0; i < params.length; i++) {
-                            const param = params[i];
-                            const dataIndex = param.dataIndex;
-                            const data = self.data[dataIndex];
-
-                            if (param.seriesId === 'seriesIncome') {
-                                incomeAmount = self.getDisplayIncomeAmount(data);
-                            } else if (param.seriesId === 'seriesExpense') {
-                                expenseAmount = self.getDisplayExpenseAmount(data);
-                            }
-                        }
-
-                        return `<table>` +
-                            `<thead>` +
-                                `<tr>` +
-                                    `<td colspan="2" class="text-left">${params[0].name}</td>` +
-                                `</tr>` +
-                            `</thead>` +
-                            `<tbody>` +
-                                `<tr>` +
-                                    `<td><span class="overview-monthly-chart-tooltip-indicator bg-income mr-1"></span><span class="mr-4">${self.$t('Income')}</span></td>` +
-                                    `<td><strong>${incomeAmount}</strong></td>` +
-                                `</tr>` +
-                                `<tr>` +
-                                    `<td><span class="overview-monthly-chart-tooltip-indicator bg-expense mr-1"></span><span class="mr-4">${self.$t('Expense')}</span></td>` +
-                                    `<td><strong>${expenseAmount}</strong></td>` +
-                                `</tr>` +
-                            `</tbody>` +
-                            `</table>`;
+        },
+        legend: {
+            bottom: 20,
+            itemWidth: 14,
+            itemHeight: 14,
+            textStyle: {
+                color: props.isDarkMode ? '#eee' : '#333'
+            },
+            icon: 'circle',
+            data: [ tt('Income'), tt('Expense') ]
+        },
+        grid: {
+            left: '20px',
+            right: '20px',
+            top: '10px',
+            bottom: '100px'
+        },
+        xAxis: [
+            {
+                type: 'category',
+                data: monthNames,
+                axisLine: {
+                    show: false
+                },
+                axisTick: {
+                    show: false
+                },
+                axisLabel: {
+                    padding: [ 20, 0, 0, 0 ]
+                }
+            }
+        ],
+        yAxis: [
+            {
+                type: 'value',
+                min: minAmount - amountGap / 20,
+                max: maxAmount,
+                splitNumber: 10,
+                axisLabel: {
+                    show: false
+                },
+                splitLine: {
+                    show: false
+                }
+            },
+            {
+                type: 'value',
+                min: minAmount,
+                max: maxAmount + amountGap / 20,
+                splitNumber: 10,
+                axisLabel: {
+                    show: false
+                },
+                splitLine: {
+                    show: false
+                }
+            }
+        ],
+        series: [
+            {
+                type: 'bar',
+                id: 'seriesIncome',
+                name: tt('Income'),
+                yAxisIndex: 0,
+                stack: 'Total',
+                itemStyle: {
+                    color: expenseIncomeAmountColor.incomeAmountColor,
+                    borderRadius: 16
+                },
+                emphasis: {
+                    focus: 'series',
+                    labelLine: {
+                        show: false
                     }
                 },
-                legend: {
-                    bottom: 20,
-                    itemWidth: 14,
-                    itemHeight: 14,
-                    textStyle: {
-                        color: self.isDarkMode ? '#eee' : '#333'
-                    },
-                    icon: 'circle',
-                    data: [ self.$t('Income'), self.$t('Expense') ]
+                barMaxWidth: 16,
+                data: incomeAmounts
+            },
+            {
+                type: 'bar',
+                id: 'seriesExpense',
+                name: tt('Expense'),
+                yAxisIndex: 1,
+                stack: 'Total',
+                itemStyle: {
+                    color: expenseIncomeAmountColor.expenseAmountColor,
+                    borderRadius: 16
                 },
-                grid: {
-                    left: '20px',
-                    right: '20px',
-                    top: '10px',
-                    bottom: '100px'
+                emphasis: {
+                    focus: 'series',
+                    labelLine: {
+                        show: false
+                    }
                 },
-                xAxis: [
-                    {
-                        type: 'category',
-                        data: monthNames,
-                        axisLine: {
-                            show: false
-                        },
-                        axisTick: {
-                            show: false
-                        },
-                        axisLabel: {
-                            padding: [ 20, 0, 0, 0 ]
-                        }
-                    }
-                ],
-                yAxis: [
-                    {
-                        type: 'value',
-                        min: minAmount - amountGap / 20,
-                        max: maxAmount,
-                        splitNumber: 10,
-                        axisLabel: {
-                            show: false
-                        },
-                        splitLine: {
-                            show: false
-                        }
-                    },
-                    {
-                        type: 'value',
-                        min: minAmount,
-                        max: maxAmount + amountGap / 20,
-                        splitNumber: 10,
-                        axisLabel: {
-                            show: false
-                        },
-                        splitLine: {
-                            show: false
-                        }
-                    }
-                ],
-                series: [
-                    {
-                        type: 'bar',
-                        id: 'seriesIncome',
-                        name: self.$t('Income'),
-                        yAxisIndex: 0,
-                        stack: 'Total',
-                        itemStyle: {
-                            color: expenseIncomeAmountColor.incomeAmountColor,
-                            borderRadius: 16
-                        },
-                        emphasis: {
-                            focus: 'series',
-                            labelLine: {
-                                show: false
-                            }
-                        },
-                        barMaxWidth: 16,
-                        data: incomeAmounts
-                    },
-                    {
-                        type: 'bar',
-                        id: 'seriesExpense',
-                        name: self.$t('Expense'),
-                        yAxisIndex: 1,
-                        stack: 'Total',
-                        itemStyle: {
-                            color: expenseIncomeAmountColor.expenseAmountColor,
-                            borderRadius: 16
-                        },
-                        emphasis: {
-                            focus: 'series',
-                            labelLine: {
-                                show: false
-                            }
-                        },
-                        barMaxWidth: 16,
-                        data: expenseAmounts
-                    }
-                ]
-            };
-        }
-    },
-    setup() {
-        const theme = useTheme();
-
-        return {
-            globalTheme: theme
-        };
-    },
-    methods: {
-        clickItem: function (e) {
-            if (!this.enableClickItem  || !this.data || e.componentType !== 'series') {
-                return;
+                barMaxWidth: 16,
+                data: expenseAmounts
             }
+        ]
+    };
+});
 
-            const clickData = this.data[e.dataIndex];
+function getDisplayCurrency(value: number | string, currencyCode: string): string {
+    return formatAmountWithCurrency(value, currencyCode) || '0';
+}
 
-            if (clickData && e.seriesId === 'seriesIncome') {
-                this.$emit('click', {
-                    transactionType: TransactionType.Income,
-                    monthStartTime: clickData.monthStartTime
-                });
-            } else if (clickData && e.seriesId === 'seriesExpense') {
-                this.$emit('click', {
-                    transactionType: TransactionType.Expense,
-                    monthStartTime: clickData.monthStartTime
-                });
-            }
-        },
-        getDisplayCurrency(value, currencyCode) {
-            return this.$locale.formatAmountWithCurrency(this.settingsStore, this.userStore, value, currencyCode);
-        },
-        getDisplayAmount(amount, incomplete) {
-            if (!this.showAmountInHomePage) {
-                return this.getDisplayCurrency('***', this.defaultCurrency);
-            }
+function getDisplayAmount(amount: number, incomplete: boolean): string {
+    if (!showAmountInHomePage.value) {
+        return getDisplayCurrency('***', defaultCurrency.value);
+    }
 
-            return this.getDisplayCurrency(amount, this.defaultCurrency) + (incomplete ? '+' : '');
-        },
-        getDisplayIncomeAmount(category) {
-            return this.getDisplayAmount(category.incomeAmount, category.incompleteIncomeAmount);
-        },
-        getDisplayExpenseAmount(category) {
-            return this.getDisplayAmount(category.expenseAmount, category.incompleteExpenseAmount);
-        }
+    return getDisplayCurrency(amount, defaultCurrency.value) + (incomplete ? '+' : '');
+}
+
+function getDisplayIncomeAmount(data: TransactionMonthlyIncomeAndExpenseData): string {
+    return getDisplayAmount(data.incomeAmount, data.incompleteIncomeAmount);
+}
+
+function getDisplayExpenseAmount(data: TransactionMonthlyIncomeAndExpenseData): string {
+    return getDisplayAmount(data.expenseAmount, data.incompleteExpenseAmount);
+}
+
+function clickItem(e: ECElementEvent): void {
+    if (!props.enableClickItem || !props.data || e.componentType !== 'series') {
+        return;
+    }
+
+    const clickData = props.data[e.dataIndex];
+
+    if (clickData && e.seriesId === 'seriesIncome') {
+        emit('click', {
+            transactionType: TransactionType.Income,
+            monthStartTime: clickData.monthStartTime
+        });
+    } else if (clickData && e.seriesId === 'seriesExpense') {
+        emit('click', {
+            transactionType: TransactionType.Expense,
+            monthStartTime: clickData.monthStartTime
+        });
     }
 }
 </script>