fix

Web/src/views/statisticsV2/modules/ExpenseCategoryCard.vue

@@ -210,13 +210,14 @@ const pieLabelLinePlugin = {
 }
 
 // 格式化金额
-const formatMoney = (value) => {
+const formatMoney = (value, decimals = 1) => {
   if (!value && value !== 0) {
-    return '0'
+    return Number(0).toFixed(decimals)
   }
   return Number(value)
-    .toFixed(0)
+    .toFixed(decimals)
     .replace(/\B(?=(\d{3})+(?!\d))/g, ',')
+    .replace(/\.0$/, '')
 }
 
 // 计算属性
@@ -317,6 +318,11 @@ const chartOptions = computed(() => {
         right: 2
       }
     },
+    // 显式禁用笛卡尔坐标系（Doughnut 图表不需要）
+    scales: {
+      x: { display: false },
+      y: { display: false }
+    },
     plugins: {
       legend: {
         display: false
@@ -335,12 +341,12 @@ const chartOptions = computed(() => {
             const value = context.parsed || 0
             const total = context.dataset.data.reduce((a, b) => a + b, 0)
             const percentage = total > 0 ? ((value / total) * 100).toFixed(1) : 0
-            return `${label}: ¥${formatMoney(value)} (${percentage}%)`
+            return `${label}: ¥${formatMoney(value, 0)} (${percentage}%)`
           }
         }
       },
       pieCenterText: {
-        text: `¥${formatMoney(totalAmount.value)}`,
+        text: `¥${formatMoney(totalAmount.value, 0)}`,
         subtext: '总支出',
         textColor: isDarkMode ? '#ffffff' : '#323233',
         subtextColor: isDarkMode ? '#969799' : '#969799',
@@ -403,7 +409,7 @@ const onChartRender = (chart) => {
 .ring-chart {
   position: relative;
   width: 100%;
-  height: 170px;
+  height: 190px;
   margin: 0px auto 0;
   overflow: visible;
 }