diff --git a/digital-fund b/digital-fund
new file mode 160000
index 0000000..f7d60a5
--- /dev/null
+++ b/digital-fund
@@ -0,0 +1 @@
+Subproject commit f7d60a554e150936f7d5730ddce769fee43fe92a
diff --git a/package-lock.json b/package-lock.json
index 76332ca..8865735 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -12,11 +12,13 @@
         "@reown/appkit-adapter-wagmi": "^1.8.2",
         "@vicons/ionicons5": "^0.13.0",
         "@vueuse/core": "^10.7.2",
+        "echarts": "^6.0.0",
         "ethers": "^6.10.0",
         "naive-ui": "^2.38.1",
         "pinia": "^2.1.7",
         "vfonts": "^0.0.3",
         "vue": "^3.4.0",
+        "vue-echarts": "^8.0.1",
         "vue-router": "^4.5.1",
         "xlsx": "^0.18.5"
       },
@@ -5008,6 +5010,22 @@
         "stream-shift": "^1.0.2"
       }
     },
+    "node_modules/echarts": {
+      "version": "6.0.0",
+      "resolved": "https://registry.npmjs.org/echarts/-/echarts-6.0.0.tgz",
+      "integrity": "sha512-Tte/grDQRiETQP4xz3iZWSvoHrkCQtwqd6hs+mifXcjrCuo2iKWbajFObuLJVBlDIJlOzgQPd1hsaKt/3+OMkQ==",
+      "license": "Apache-2.0",
+      "dependencies": {
+        "tslib": "2.3.0",
+        "zrender": "6.0.0"
+      }
+    },
+    "node_modules/echarts/node_modules/tslib": {
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.3.0.tgz",
+      "integrity": "sha512-N82ooyxVNm6h1riLCoyS9e3fuJ3AMG2zIZs2Gd1ATcSFjSA23Q0fzjjZeh0jbJvWVDZ0cJT8yaNNaaXHzueNjg==",
+      "license": "0BSD"
+    },
     "node_modules/eciesjs": {
       "version": "0.4.15",
       "resolved": "https://registry.npmjs.org/eciesjs/-/eciesjs-0.4.15.tgz",
@@ -8335,6 +8353,16 @@
         }
       }
     },
+    "node_modules/vue-echarts": {
+      "version": "8.0.1",
+      "resolved": "https://registry.npmjs.org/vue-echarts/-/vue-echarts-8.0.1.tgz",
+      "integrity": "sha512-23rJTFLu1OUEGRWjJGmdGt8fP+8+ja1gVgzMYPIPaHWpXegcO1viIAaeu2H4QHESlVeHzUAHIxKXGrwjsyXAaA==",
+      "license": "MIT",
+      "peerDependencies": {
+        "echarts": "^6.0.0",
+        "vue": "^3.3.0"
+      }
+    },
     "node_modules/vue-eslint-parser": {
       "version": "9.4.3",
       "resolved": "https://registry.npmjs.org/vue-eslint-parser/-/vue-eslint-parser-9.4.3.tgz",
@@ -8735,6 +8763,21 @@
         "url": "https://github.com/sponsors/colinhacks"
       }
     },
+    "node_modules/zrender": {
+      "version": "6.0.0",
+      "resolved": "https://registry.npmjs.org/zrender/-/zrender-6.0.0.tgz",
+      "integrity": "sha512-41dFXEEXuJpNecuUQq6JlbybmnHaqqpGlbH1yxnA5V9MMP4SbohSVZsJIwz+zdjQXSSlR1Vc34EgH1zxyTDvhg==",
+      "license": "BSD-3-Clause",
+      "dependencies": {
+        "tslib": "2.3.0"
+      }
+    },
+    "node_modules/zrender/node_modules/tslib": {
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.3.0.tgz",
+      "integrity": "sha512-N82ooyxVNm6h1riLCoyS9e3fuJ3AMG2zIZs2Gd1ATcSFjSA23Q0fzjjZeh0jbJvWVDZ0cJT8yaNNaaXHzueNjg==",
+      "license": "0BSD"
+    },
     "node_modules/zustand": {
       "version": "5.0.3",
       "resolved": "https://registry.npmjs.org/zustand/-/zustand-5.0.3.tgz",
diff --git a/package.json b/package.json
index 20b3854..0b1ec2f 100644
--- a/package.json
+++ b/package.json
@@ -16,11 +16,13 @@
     "@reown/appkit-adapter-wagmi": "^1.8.2",
     "@vicons/ionicons5": "^0.13.0",
     "@vueuse/core": "^10.7.2",
+    "echarts": "^6.0.0",
     "ethers": "^6.10.0",
     "naive-ui": "^2.38.1",
     "pinia": "^2.1.7",
     "vfonts": "^0.0.3",
     "vue": "^3.4.0",
+    "vue-echarts": "^8.0.1",
     "vue-router": "^4.5.1",
     "xlsx": "^0.18.5"
   },
diff --git a/src/abis/NavVerifier.json b/src/abis/NavVerifier.json
new file mode 100644
index 0000000..dbb29da
--- /dev/null
+++ b/src/abis/NavVerifier.json
@@ -0,0 +1,460 @@
+{
+  "_format": "hh-sol-artifact-1",
+  "contractName": "NavVerifier",
+  "sourceName": "contracts/NavVerifier.sol",
+  "abi": [
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "_staking",
+          "type": "address"
+        }
+      ],
+      "stateMutability": "nonpayable",
+      "type": "constructor"
+    },
+    {
+      "inputs": [],
+      "name": "AlreadyVoted",
+      "type": "error"
+    },
+    {
+      "inputs": [],
+      "name": "InsufficientStake",
+      "type": "error"
+    },
+    {
+      "inputs": [],
+      "name": "InvalidCommitment",
+      "type": "error"
+    },
+    {
+      "inputs": [],
+      "name": "NotRevealed",
+      "type": "error"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "owner",
+          "type": "address"
+        }
+      ],
+      "name": "OwnableInvalidOwner",
+      "type": "error"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "account",
+          "type": "address"
+        }
+      ],
+      "name": "OwnableUnauthorizedAccount",
+      "type": "error"
+    },
+    {
+      "inputs": [],
+      "name": "RoundNotActive",
+      "type": "error"
+    },
+    {
+      "inputs": [],
+      "name": "RoundNotEnded",
+      "type": "error"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": true,
+          "internalType": "uint256",
+          "name": "roundId",
+          "type": "uint256"
+        },
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "teacher",
+          "type": "address"
+        },
+        {
+          "indexed": false,
+          "internalType": "uint256",
+          "name": "value",
+          "type": "uint256"
+        },
+        {
+          "indexed": false,
+          "internalType": "uint256",
+          "name": "endTime",
+          "type": "uint256"
+        }
+      ],
+      "name": "NavProposed",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "previousOwner",
+          "type": "address"
+        },
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "newOwner",
+          "type": "address"
+        }
+      ],
+      "name": "OwnershipTransferred",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": true,
+          "internalType": "uint256",
+          "name": "roundId",
+          "type": "uint256"
+        },
+        {
+          "indexed": false,
+          "internalType": "enum NavVerifier.RoundStatus",
+          "name": "status",
+          "type": "uint8"
+        }
+      ],
+      "name": "RoundFinalized",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": true,
+          "internalType": "uint256",
+          "name": "roundId",
+          "type": "uint256"
+        },
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "verifier",
+          "type": "address"
+        }
+      ],
+      "name": "VoteCommitted",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": true,
+          "internalType": "uint256",
+          "name": "roundId",
+          "type": "uint256"
+        },
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "verifier",
+          "type": "address"
+        },
+        {
+          "indexed": false,
+          "internalType": "bool",
+          "name": "support",
+          "type": "bool"
+        },
+        {
+          "indexed": false,
+          "internalType": "uint256",
+          "name": "weight",
+          "type": "uint256"
+        }
+      ],
+      "name": "VoteRevealed",
+      "type": "event"
+    },
+    {
+      "inputs": [],
+      "name": "MIN_TEACHER_STAKE",
+      "outputs": [
+        {
+          "internalType": "uint256",
+          "name": "",
+          "type": "uint256"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "MIN_VERIFIER_STAKE",
+      "outputs": [
+        {
+          "internalType": "uint256",
+          "name": "",
+          "type": "uint256"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "ROUND_DURATION",
+      "outputs": [
+        {
+          "internalType": "uint256",
+          "name": "",
+          "type": "uint256"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "uint256",
+          "name": "roundId",
+          "type": "uint256"
+        },
+        {
+          "internalType": "bytes32",
+          "name": "voteHash",
+          "type": "bytes32"
+        }
+      ],
+      "name": "commitVote",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "currentRoundId",
+      "outputs": [
+        {
+          "internalType": "uint256",
+          "name": "",
+          "type": "uint256"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "uint256",
+          "name": "roundId",
+          "type": "uint256"
+        }
+      ],
+      "name": "finalizeRound",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "uint256",
+          "name": "",
+          "type": "uint256"
+        },
+        {
+          "internalType": "address",
+          "name": "",
+          "type": "address"
+        }
+      ],
+      "name": "hasRevealed",
+      "outputs": [
+        {
+          "internalType": "bool",
+          "name": "",
+          "type": "bool"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "owner",
+      "outputs": [
+        {
+          "internalType": "address",
+          "name": "",
+          "type": "address"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "uint256",
+          "name": "navValue",
+          "type": "uint256"
+        }
+      ],
+      "name": "proposeNAV",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "renounceOwnership",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "uint256",
+          "name": "roundId",
+          "type": "uint256"
+        },
+        {
+          "internalType": "bool",
+          "name": "support",
+          "type": "bool"
+        },
+        {
+          "internalType": "uint256",
+          "name": "salt",
+          "type": "uint256"
+        }
+      ],
+      "name": "revealVote",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "uint256",
+          "name": "",
+          "type": "uint256"
+        }
+      ],
+      "name": "rounds",
+      "outputs": [
+        {
+          "internalType": "uint256",
+          "name": "id",
+          "type": "uint256"
+        },
+        {
+          "internalType": "uint256",
+          "name": "teacherSubmission",
+          "type": "uint256"
+        },
+        {
+          "internalType": "uint256",
+          "name": "startTime",
+          "type": "uint256"
+        },
+        {
+          "internalType": "uint256",
+          "name": "endTime",
+          "type": "uint256"
+        },
+        {
+          "internalType": "address",
+          "name": "teacher",
+          "type": "address"
+        },
+        {
+          "internalType": "enum NavVerifier.RoundStatus",
+          "name": "status",
+          "type": "uint8"
+        },
+        {
+          "internalType": "uint256",
+          "name": "totalYesStake",
+          "type": "uint256"
+        },
+        {
+          "internalType": "uint256",
+          "name": "totalNoStake",
+          "type": "uint256"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "staking",
+      "outputs": [
+        {
+          "internalType": "contract Staking",
+          "name": "",
+          "type": "address"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "newOwner",
+          "type": "address"
+        }
+      ],
+      "name": "transferOwnership",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "uint256",
+          "name": "",
+          "type": "uint256"
+        },
+        {
+          "internalType": "address",
+          "name": "",
+          "type": "address"
+        }
+      ],
+      "name": "voteCommits",
+      "outputs": [
+        {
+          "internalType": "bytes32",
+          "name": "",
+          "type": "bytes32"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    }
+  ],
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+  "linkReferences": {},
+  "deployedLinkReferences": {}
+}
diff --git a/src/components/NavHistoryChart.vue b/src/components/NavHistoryChart.vue
new file mode 100644
index 0000000..fa6a779
--- /dev/null
+++ b/src/components/NavHistoryChart.vue
@@ -0,0 +1,103 @@
+<template>
+  <v-chart class="chart" :option="option" autoresize />
+</template>
+
+<script setup lang="ts">
+import { use } from 'echarts/core';
+import { CanvasRenderer } from 'echarts/renderers';
+import { LineChart } from 'echarts/charts';
+import {
+  TitleComponent,
+  TooltipComponent,
+  GridComponent,
+  DataZoomComponent
+} from 'echarts/components';
+import VChart, { THEME_KEY } from 'vue-echarts';
+import { ref, computed, defineProps } from 'vue';
+
+use([
+  CanvasRenderer,
+  LineChart,
+  TitleComponent,
+  TooltipComponent,
+  GridComponent,
+  DataZoomComponent
+]);
+
+const props = defineProps<{
+  data: Array<{ roundId: number; nav: number; time: string }>;
+}>();
+
+const option = computed(() => ({
+  title: {
+    text: 'NAV 历史趋势 (近50轮)',
+    left: 'center'
+  },
+  tooltip: {
+    trigger: 'axis',
+    formatter: function (params: any) {
+        const item = params[0];
+        return `轮次: ${item.axisValue}<br/>NAV: ${item.data}<br/>时间: ${props.data[item.dataIndex]?.time || ''}`;
+    }
+  },
+  grid: {
+    left: '3%',
+    right: '4%',
+    bottom: '3%',
+    containLabel: true
+  },
+  xAxis: {
+    type: 'category',
+    boundaryGap: false,
+    data: props.data.map(i => i.roundId)
+  },
+  yAxis: {
+    type: 'value',
+    scale: true // Auto-scale Y axis
+  },
+  series: [
+    {
+      name: 'NAV',
+      type: 'line',
+      smooth: true,
+      data: props.data.map(i => i.nav),
+      itemStyle: {
+        color: '#18a058'
+      },
+      areaStyle: {
+        color: {
+          type: 'linear',
+          x: 0,
+          y: 0,
+          x2: 0,
+          y2: 1,
+          colorStops: [{
+              offset: 0, color: 'rgba(24, 160, 88, 0.5)' // 0% 处的颜色
+          }, {
+              offset: 1, color: 'rgba(24, 160, 88, 0.1)' // 100% 处的颜色
+          }],
+          global: false // 缺省为 false
+        }
+      }
+    }
+  ],
+   dataZoom: [
+    {
+      type: 'inside',
+      start: 0,
+      end: 100
+    },
+    {
+      start: 0,
+      end: 100
+    }
+  ]
+}));
+</script>
+
+<style scoped>
+.chart {
+  height: 400px;
+  width: 100%;
+}
+</style>
diff --git a/src/layouts/MainLayout.vue b/src/layouts/MainLayout.vue
index eaca9f1..6c0b790 100644
--- a/src/layouts/MainLayout.vue
+++ b/src/layouts/MainLayout.vue
@@ -216,6 +216,7 @@ const menuOptions: MenuOption[] = [
     key: '/event-history',
     icon: renderIcon(ListOutline)
   },
+
   {
     label: '合约管理',
     key: '/contract-management',
diff --git a/src/router/index.ts b/src/router/index.ts
index 857b2ff..5cc7399 100644
--- a/src/router/index.ts
+++ b/src/router/index.ts
@@ -51,23 +51,24 @@ const routes = [
         meta: { requiresAuth: true, title: '事件历史' }
       },
       {
-          path: '/nav-validation',
-          name: 'NAVValidation',
-          component: () => import('../views/NAVValidation.vue'),
-          meta: {
-            requiresAuth: true,
-            title: 'NAV 验证'
-          }
-        },
-        {
-          path: '/nav-validator-management',
-          name: 'NAVValidatorManagement',
-          component: () => import('../views/NAVValidatorManagement.vue'),
-          meta: {
-            requiresAuth: true,
-            title: 'NAV 验证者管理'
-          }
+        path: '/nav-validation',
+        name: 'NAVValidation',
+        component: () => import('../views/NAVValidation.vue'),
+        meta: {
+          requiresAuth: true,
+          title: 'NAV 验证'
         }
+      },
+      {
+        path: '/nav-validator-management',
+        name: 'NAVValidatorManagement',
+        component: () => import('../views/NAVValidatorManagement.vue'),
+        meta: {
+          requiresAuth: true,
+          title: 'NAV 验证者管理'
+        }
+      },
+
     ]
   },
   {
diff --git a/src/views/NAVValidation.vue b/src/views/NAVValidation.vue
index 016cd40..643585d 100644
--- a/src/views/NAVValidation.vue
+++ b/src/views/NAVValidation.vue
@@ -1,381 +1,325 @@
 <template>
   <div class="nav-validation">
-    <!-- 页面标题 -->
+    <!-- PAGE HEADER -->
     <div class="page-header">
-      <h2>NAV 验证提交</h2>
-      <p class="page-description">提交NAV验证和查看验证历史</p>
+      <h2>NAV PoS Dashboard</h2>
+      <p class="page-description">监控去中心化 NAV 共识状态，或进行紧急手动干预。</p>
     </div>
 
-    <!-- 当前验证者信息 -->
-    <InfoCard title="验证者信息" :items="validatorInfoItems" :columns="3" />
-
-    <!-- NAV 验证提交 -->
-    <n-card title="NAV 变更验证" class="operations-card">
-      <n-alert type="info" class="validation-info">
-        <template #header>验证说明</template>
-        <p>• NAV 变更验证：需要提供旧 NAV 值和新 NAV 值</p>
-      </n-alert>
-
-      <n-form ref="validationFormRef" :model="validationForm" :rules="validationRules" label-placement="top"
-        :disabled="!isValidator" class="validation-form">
-        <n-form-item label="旧 NAV 值" path="oldNAV">
-          <n-input-number v-model:value="validationForm.oldNAV" :disabled="true" :precision="6" :min="0"
-            :step="0.000001" placeholder="输入旧的 NAV 值" class="w-full">
-            <template #prefix>$</template>
-          </n-input-number>
-        </n-form-item>
-
-        <n-form-item label="新 NAV 值" path="newNAV">
-          <n-input-number v-model:value="validationForm.newNAV" :precision="6" :min="0" :step="0.000001"
-            placeholder="输入要验证的 NAV 值" class="w-full">
-            <template #prefix>$</template>
-          </n-input-number>
-        </n-form-item>
-
-        <n-form-item label="验证说明">
-          <n-input v-model:value="validationForm.description" type="textarea" placeholder="请输入验证说明（可选）" :rows="3" />
-        </n-form-item>
+    <!-- 1. CONSENSUS MONITOR (NEW) -->
+    <n-grid x-gap="12" :cols="3" class="mb-4">
+      <n-grid-item>
+        <n-card title="共识状态" size="small">
+          <n-statistic label="当前轮次" :value="currentRoundId">
+             <template #suffix>
+                <n-tag v-if="currentRound" :type="statusColor(currentRound.status)" size="small">
+                  {{ currentRound.statusText }}
+                </n-tag>
+             </template>
+          </n-statistic>
+          <div class="mt-2 text-xs text-gray-400">
+            合约: {{ contractAddress.slice(0, 6) }}...{{ contractAddress.slice(-4) }}
+          </div>
+        </n-card>
+      </n-grid-item>
+      
+      <n-grid-item>
+        <n-card title="本轮提议" size="small">
+          <div v-if="currentRound && currentRound.id > 0">
+             <div class="stat-row">
+               <span>提议者:</span>
+               <span>{{ formatAddr(currentRound.teacher) }}</span>
+             </div>
+             <div class="stat-row">
+               <span>NAV:</span>
+               <span class="text-lg font-bold">{{ currentRound.nav }}</span>
+             </div>
+             <div class="stat-row">
+               <span>结束时间:</span>
+               <span>{{ formatTime(currentRound.endTime) }}</span>
+             </div>
+          </div>
+          <n-empty v-else description="等待新轮次" />
+        </n-card>
+      </n-grid-item>
+
+      <n-grid-item>
+        <n-card title="验证者统计" size="small">
+           <n-statistic label="全网总质押 (Mock)" :value="'2,500 CINA'" />
+           <div class="mt-2">
+             <n-tag :type="isValidator ? 'success' : 'default'">
+               {{ isValidator ? '我是验证者' : '观察者模式' }}
+             </n-tag>
+           </div>
+        </n-card>
+      </n-grid-item>
+    </n-grid>
+
+    <!-- 2. NAV HISTORY CHART (NEW) -->
+    <n-card title="NAV 历史趋势" class="mb-4">
+      <NavHistoryChart :data="chartData" />
+    </n-card>
 
-        <div class="form-actions">
-          <n-button type="primary" :loading="loading.validation" :disabled="!canSubmitValidation"
-            @click="handleSubmitValidation">
-            <template #icon>
-              <n-icon>
-                <CheckmarkCircleOutline />
-              </n-icon>
-            </template>
-            提交变更验证
-          </n-button>
-          <n-button @click="resetValidationForm">重置</n-button>
-        </div>
-      </n-form>
+    <!-- 3. RECENT ROUNDS TABLE (NEW) -->
+    <n-card title="共识历史 (最近50轮)" class="mb-4">
+      <n-data-table :columns="roundColumns" :data="rounds" :loading="loading.rounds" :pagination="{ pageSize: 5 }" />
     </n-card>
 
-    <!-- 验证历史记录 -->
-    <n-card title="验证历史记录" class="events-card">
-      <template #header-extra>
-        <n-button type="primary" @click="loadValidationEvents(0, 'latest')" :loading="loading.events">
-          <template #icon>
-            <n-icon>
-              <RefreshOutline />
-            </n-icon>
-          </template>
-          刷新记录
-        </n-button>
-      </template>
+    <!-- 4. LEGACY MANUAL VALIDATION (TOGGLE) -->
+    <n-divider>
+      <n-button text @click="showLegacy = !showLegacy">
+        {{ showLegacy ? '收起提案表格' : '手动发起提案 (Teacher Mode)' }}
+      </n-button>
+    </n-divider>
+
+    <n-collapse-transition :show="showLegacy">
+      <n-card title="手动 NAV 提案 (Teacher Mode)" class="operations-card border-blue-500">
+        <n-alert type="info" class="mb-4">
+          提示：作为 Teacher，您可以手动提交 NAV 提案。需确保您的钱包已完成质押 (1000 CINA)。
+        </n-alert>
+        
+        <n-form ref="validationFormRef" :model="validationForm" :rules="validationRules" label-placement="top">
+          
+          <n-grid :cols="1" :x-gap="24">
+            <n-form-item label="拟提案 NAV 值" path="newNAV">
+              <n-input-number v-model:value="validationForm.newNAV" :precision="6" placeholder="例如: 1.234567">
+                <template #prefix>$</template>
+              </n-input-number>
+            </n-form-item>
+          </n-grid>
+
+          <div class="flex justify-end">
+             <n-button type="primary" :loading="loading.validation" :disabled="!canSubmitValidation" @click="handleSubmitValidation">
+                提交上链提案 (Propose)
+             </n-button>
+          </div>
+        </n-form>
+      </n-card>
+    </n-collapse-transition>
 
-      <n-data-table :columns="validationColumns" :data="validationEvents" :loading="loading.events"
-        :pagination="{ pageSize: 10 }" :scroll-x="800" />
-    </n-card>
   </div>
 </template>
 
 <script setup lang="ts">
 import { ref, reactive, computed, onMounted, watch, h } from 'vue'
-import { useMessage, NTag } from 'naive-ui'
-import type { FormInst, FormRules, DataTableColumns } from 'naive-ui'
-import {
-  CheckmarkCircleOutline,
-  RefreshOutline,
-} from '@vicons/ionicons5'
+import { useMessage, useDialog, NTag, NButton } from 'naive-ui'
+import type { FormInst, FormRules } from 'naive-ui'
 import { useWeb3Store } from '@/stores/web3'
 import { useContractStore } from '@/stores/contract'
 import { getContract } from '@/utils/utils'
 import { ethers } from 'ethers'
-import InfoCard from '@/components/InfoCard.vue'
+import NavVerifierABI from '@/abis/NavVerifier.json'
+import NavHistoryChart from '@/components/NavHistoryChart.vue'
 
 const message = useMessage()
+const dialog = useDialog()
 const web3Store = useWeb3Store()
 const contractStore = useContractStore()
 
-// 权限检查
-const isOwner = computed(() => contractStore.isOwner)
-const isValidator = ref(false)
+// --- CONFIG ---
+const NAV_VERIFIER_ADDRESS = "0x9fE46736679d2D9a65F0992F2272dE9f3c7fa6e0" // TODO: Move to constants
+const RPC_URL = "http://127.0.0.1:8545"
 
-// 验证者信息
-const validatorInfoItems = computed(() => [
-  {
-    label: '当前验证者',
-    value: web3Store.account || '未连接'
-  },
-  {
-    label: '验证者权限',
-    value: isValidator.value ? '已启用' : '未启用',
-    type: 'tag' as const,
-    tagType: isValidator.value ? ('success' as const) : ('error' as const)
-  },
-  {
-    label: '当前NAV',
-    value: contractStore.tokenInfo.nav,
-    type: 'tag' as const,
-    tagType: 'info' as const
-  }
-])
+// --- STATE ---
+const contractAddress = ref(NAV_VERIFIER_ADDRESS)
+const currentRoundId = ref(0)
+const currentRound = ref<any>(null)
+const rounds = ref<any[]>([])
+const chartData = ref<any[]>([])
+const isValidator = ref(false)
+const showLegacy = ref(false)
 
-// 加载状态
 const loading = reactive({
   validation: false,
-  query: false,
-  events: false
+  rounds: false
 })
 
-// NAV 验证表单
+// --- LEGACY FORM STATE ---
 const validationForm = reactive({
-  oldNAV: parseFloat(contractStore.tokenInfo.nav) || 0,
   newNAV: null as number | null,
   description: ''
 })
-
 const validationFormRef = ref<FormInst | null>(null)
 const validationRules: FormRules = {
-  oldNAV: {
-    required: true,
-    type: 'number',
-    message: '请输入有效的旧 NAV 值',
-    trigger: ['blur', 'input']
-  },
-  newNAV: {
-    required: true,
-    type: 'number',
-    message: '请输入有效的新 NAV 值',
-    trigger: ['blur', 'input']
-  }
+  newNAV: { required: true, type: 'number', trigger: 'blur' }
 }
 
-// 验证事件
-const validationEvents = ref<any[]>([])
-
-// 计算属性
-const canSubmitValidation = computed(() => {
-  if (!validationForm.newNAV || !validationForm.oldNAV || !web3Store.isConnected) return false
-  return true
-})
+// --- UTILS ---
+const formatAddr = (a: string) => a ? `${a.slice(0,6)}...${a.slice(-4)}` : ''
+const formatTime = (ts: number) => new Date(ts * 1000).toLocaleTimeString()
+const statusMap = ['进行中', '有效', '无效', '争议中']
+const statusColor = (s: number) => {
+  if (s === 0) return 'info'
+  if (s === 1) return 'success'
+  if (s === 2) return 'error'
+  return 'warning'
+}
 
-// 验证历史表格列
-const validationColumns: DataTableColumns<any> = [
-  {
-    title: '时间',
-    key: 'timestamp',
-    width: 180,
-    render: (row) => new Date(row.timestamp * 1000).toLocaleString()
-  },
-  {
-    title: '验证者',
-    key: 'validator',
-    width: 120,
-    render: (row) => `${row.validator.slice(0, 6)}...${row.validator.slice(-4)}`
-  },
-  {
-    title: '旧 NAV 值',
-    key: 'oldNav',
-    width: 120,
-    render: (row: any) => `$${row.oldNav}`
-  },
-  {
-    title: '新 NAV 值',
-    key: 'newNav',
-    width: 120,
-    render: (row: any) => `$${row.newNav}`
-  },
-  {
-    title: '变化',
-    key: 'change',
-    width: 100,
-    render: (row: any) => {
-      const change = ((Number(row.newNav) - Number(row.oldNav)) * 100 / Number(row.oldNav)).toFixed(4)
-      const isPositive = parseFloat(change) >= 0
-      return h(NTag, {
-        type: isPositive ? 'success' : 'error'
-      }, `${isPositive ? '+' : ''}${change}%`)
-    }
-  },
-  {
-    title: '交易哈希',
-    key: 'transactionHash',
-    width: 120,
-    render: (row) => `${row.transactionHash.slice(0, 8)}...`
+// --- COLUMNS ---
+const roundColumns = [
+  { title: 'ID', key: 'id', width: 80 },
+  { title: '提议者', key: 'teacher', render: (r:any) => formatAddr(r.teacher) },
+  { title: 'NAV', key: 'nav', render: (r:any) => `$${r.nav}` },
+  { title: '结束时间', key: 'endTime', render: (r:any) => formatTime(r.endTime) },
+  { 
+    title: '状态', 
+    key: 'status',
+    render: (r:any) => h(NTag, { type: statusColor(r.status), size: 'small' }, { default: () => r.statusText })
   }
 ]
 
-// 检查验证者状态
-const checkValidatorStatus = async () => {
-  if (!web3Store.account || !contractStore.sRMBContractAddress) {
-    isValidator.value = false
-    return
-  }
+// --- ACTIONS ---
+// --- ACTIONS ---
+const watchingRoundId = ref<number | null>(null)
 
+async function fetchPoSData() {
+  loading.rounds = true
   try {
-    const contract = getContract('sRMB', false, contractStore.sRMBContractAddress)
-    if (!contract) return
+    const provider = new ethers.BrowserProvider((window as any).ethereum) // Use Browser provider for consistency if connected
+          // Fallback to RPC for read-only if needed, but browser is better for sync
+    const readProvider = new ethers.JsonRpcProvider(RPC_URL)
+    const posContract = new ethers.Contract(NAV_VERIFIER_ADDRESS, NavVerifierABI.abi, readProvider)
+
+    const id = await posContract.currentRoundId()
+    currentRoundId.value = Number(id)
+
+    // Check Watching Round logic
+    if (watchingRoundId.value) {
+        const r = await posContract.rounds(watchingRoundId.value)
+        const status = Number(r.status)
+        // 0=Pending, 1=Valid, 2=Invalid
+        if (status === 1) {
+            message.success(`提案 #${watchingRoundId.value} 已通过验证并上链!`)
+            watchingRoundId.value = null
+            fetchPoSData() // refresh list
+        } else if (status === 2) {
+             // INVALID -> Soft Warning Dialog
+             dialog.warning({
+                title: '提案被拒绝 (Rejected)',
+                content: `轮次 #${watchingRoundId.value} 未通过验证者共识。请检查您的计算数据，并重新提交 proposal。`,
+                positiveText: '这就去改',
+                onPositiveClick: () => {
+                    // keep form open
+                }
+             })
+             watchingRoundId.value = null
+             fetchPoSData()
+        }
+    }
 
-    isValidator.value = await contract.navValidators(web3Store.account)
-  } catch (error) {
-    console.error('检查验证者状态失败:', error)
-    isValidator.value = false
+    const tempRounds = []
+    const tempChart = []
+    
+    // Fetch last 50
+    const start = Math.max(1, Number(id) - 50)
+    for (let i = Number(id); i >= start; i--) {
+        const r = await posContract.rounds(i)
+        const navVal = ethers.formatEther(r.teacherSubmission)
+        const item = {
+            id: Number(r.id),
+            teacher: r.teacher,
+            nav: navVal,
+            startTime: Number(r.startTime),
+            endTime: Number(r.endTime),
+            status: Number(r.status),
+            statusText: statusMap[Number(r.status)]
+        }
+        tempRounds.push(item)
+        
+        // Add to chart if VALID or PENDING (visualize trend)
+        // Reverse order for chart (Old -> New)
+        tempChart.unshift({
+           roundId: item.id,
+           nav: parseFloat(navVal),
+           time: new Date(item.endTime * 1000).toLocaleTimeString()
+        })
+    }
+    
+    rounds.value = tempRounds
+    chartData.value = tempChart
+
+    if (tempRounds.length > 0) {
+        currentRound.value = tempRounds[0]
+    }
+
+  } catch (e) {
+    console.error("PoS Fetch Error", e)
+  } finally {
+    loading.rounds = false
   }
 }
 
-// 处理验证提交
+// --- LEGACY SUBMIT ---
+const canSubmitValidation = computed(() => {
+  return validationForm.newNAV && web3Store.isConnected
+})
+
 const handleSubmitValidation = async () => {
   if (!validationFormRef.value) return
-
   try {
     await validationFormRef.value.validate()
     loading.validation = true
-
-    const contract = getContract('sRMB', true, contractStore.sRMBContractAddress)
-    if (!contract) {
-      message.error('合约未连接')
-      return
-    }
-
-    const oldNavValue = ethers.parseUnits(validationForm.oldNAV!.toString(), 18)
-    const newNavValue = ethers.parseUnits(validationForm.newNAV!.toString(), 18)
-    const tx = await contract.submitNAVChangeValidation(oldNavValue, newNavValue)
-
-    message.info('交易已提交，等待确认...')
+    
+    // Connect to NavVerifier
+    const provider = new ethers.BrowserProvider((window as any).ethereum)
+    const signer = await provider.getSigner()
+    const contract = new ethers.Contract(NAV_VERIFIER_ADDRESS, NavVerifierABI.abi, signer)
+    
+    // Convert to Wei
+    const navWei = ethers.parseUnits(validationForm.newNAV!.toString(), 18)
+    
+    const tx = await contract.proposeNAV(navWei)
+    message.info('提案提交中... 请等待验证结果')
     await tx.wait()
-
-    message.success('验证提交成功！')
-    resetValidationForm()
-    await loadValidationEvents()
-  } catch (error: any) {
-    console.error('提交验证失败:', error)
-    message.error(error.message || '提交验证失败')
+    
+    message.success('提案已广播 (Pending)')
+    
+    // Start Watching current round + 1 (The new one)
+    // Actually, proposeNAV increments ID. So we need the NEW ID.
+    // Easier: Just watch currentRoundId + 1 (since we are proposer)
+    // Or fetch ID from event? 
+    // Quick fix: Set watch to current + 1
+    watchingRoundId.value = currentRoundId.value + 1
+    
+    fetchPoSData()
+    
+  } catch (e: any) {
+    console.error(e)
+    message.error(e.reason || e.message || '提交失败')
   } finally {
     loading.validation = false
   }
 }
 
-// 加载验证事件
-const loadValidationEvents = async (fromBlock: number = 0, toBlock: number | string = 'latest') => {
-  if (!contractStore.sRMBContractAddress) return
-
-  loading.events = true
-  try {
-    const contract = getContract('sRMB', false, contractStore.sRMBContractAddress)
-    if (!contract) return
-
-    const currentBlock = await web3Store?.provider?.getBlockNumber()
-
-    // 如果是首次加载，只获取最近10000个区块的事件
-    const startBlock = fromBlock === 0 && currentBlock ? Math.max(0, currentBlock - 1000) : fromBlock
-
-    console.log(`Loading events from block ${startBlock} to ${toBlock}`)
-
-    const filter = contract.filters.NAVChangeValidationSubmitted()
-    const events = await contract.queryFilter(filter, startBlock, toBlock)
-
-    validationEvents.value = await Promise.all(events.map(async (event: any) => {
-      const block = await event.getBlock()
-      return {
-        blockNumber: event.blockNumber,
-        transactionHash: event.transactionHash,
-        timestamp: block.timestamp,
-        validator: event.args[0],
-        oldNav: ethers.formatUnits(event.args[1], 18),
-        newNav: ethers.formatUnits(event.args[2], 18)
-      }
-    }))
-    validationEvents.value.reverse()
-  } catch (error) {
-    console.error('加载验证事件失败:', error)
-    message.error('加载验证事件失败')
-  } finally {
-    loading.events = false
-  }
-}
-
-// 重置表单
-const resetValidationForm = () => {
-  validationForm.newNAV = null
-  validationForm.description = ''
-}
-
-// 初始化
+// --- INIT ---
 onMounted(() => {
-  checkValidatorStatus()
-  loadValidationEvents()
+  fetchPoSData()
+  setInterval(fetchPoSData, 5000) // Poll PoS Status
+  
+  // Check if current user is validator on legacy contract
+  if (web3Store.account && contractStore.sRMBContractAddress) {
+      getContract('sRMB', false, contractStore.sRMBContractAddress)
+        .navValidators(web3Store.account)
+        .then((res: boolean) => isValidator.value = res)
+        .catch(() => {})
+  }
 })
 
-// 监听账户变化
-watch(() => web3Store.account, () => {
-  checkValidatorStatus()
+// Update legacy form if store updates
+watch(() => contractStore.tokenInfo.nav, (v) => {
+    if (v) validationForm.oldNAV = parseFloat(v)
 })
 
-// 监听合约地址变化
-watch(() => contractStore.sRMBContractAddress, (contractAddress) => {
-  if (contractAddress) {
-    checkValidatorStatus()
-    loadValidationEvents()
-  }
-})
-
-// 监听当前NAV变化，自动填充旧NAV值
-watch(() => contractStore.tokenInfo.nav, (newNav) => {
-  if (newNav !== undefined && newNav !== null && newNav !== '') {
-    const navValue = parseFloat(newNav)
-    if (!isNaN(navValue)) {
-      validationForm.oldNAV = navValue
-    }
-  }
-}, { immediate: true })
 </script>
 
 <style scoped>
-.nav-validation {
-  padding: 24px;
-  max-width: 1200px;
-  margin: 0 auto;
-}
-
-.page-header {
-  margin-bottom: 24px;
-}
-
-.page-header h2 {
-  margin: 0 0 8px 0;
-  color: var(--n-text-color);
-}
-
-.page-description {
-  margin: 0;
-  color: var(--n-text-color-2);
-  font-size: 14px;
-}
-
-.info-card,
-.operations-card,
-.events-card,
-.no-permission-card {
-  margin-bottom: 24px;
-}
-
-.validator-form,
-.validation-form,
-.query-form {
-  max-width: 600px;
-}
-
-.form-actions {
-  display: flex;
-  gap: 12px;
-  margin-top: 24px;
-}
-
-.events-header {
-  margin-bottom: 16px;
-}
-
-.validation-info {
-  margin-bottom: 16px;
-}
-
-.query-result {
-  margin-top: 16px;
-}
-
-.w-full {
-  width: 100%;
-}
+.nav-validation { max-width: 1200px; margin: 0 auto; padding: 24px; }
+.page-description { color: #888; margin-bottom: 24px; }
+.mb-4 { margin-bottom: 16px; }
+.mt-2 { margin-top: 8px; }
+.text-xs { font-size: 12px; }
+.text-gray-400 { color: #999; }
+.text-lg { font-size: 1.125rem; }
+.font-bold { font-weight: 700; }
+.stat-row { display: flex; justify-content: space-between; margin-bottom: 8px; border-bottom: 1px dashed #eee; padding-bottom: 4px; }
 </style>
\ No newline at end of file