diff --git a/src/App.vue b/src/App.vue
index baf7621..08713ec 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -6,6 +6,7 @@ import { useConfigStore } from "shared/store/config"
 import { useConfigUpdate } from "shared/composables/configUpdate"
 import { useMaxKB } from "shared/composables/maxkb"
 import { useUserStore } from "shared/store/user"
+import LoginSummaryModal from "shared/components/LoginSummaryModal.vue"
 
 const isDark = useDark()
 const configStore = useConfigStore()
@@ -60,6 +61,7 @@ provide("hljs", hljsInstance)
   >
     <n-message-provider>
       <router-view></router-view>
+      <LoginSummaryModal />
     </n-message-provider>
   </n-config-provider>
 </template>
diff --git a/src/oj/api.ts b/src/oj/api.ts
index 3df84a9..04890df 100644
--- a/src/oj/api.ts
+++ b/src/oj/api.ts
@@ -297,6 +297,10 @@ export function getAIHeatmapData() {
   return http.get("ai/heatmap")
 }
 
+export function getAILoginSummary() {
+  return http.get("ai/login_summary")
+}
+
 // ==================== 流程图相关API ====================
 
 export function submitFlowchart(data: {
diff --git a/src/shared/components/Login.vue b/src/shared/components/Login.vue
index abf1c53..b650ef9 100644
--- a/src/shared/components/Login.vue
+++ b/src/shared/components/Login.vue
@@ -4,10 +4,12 @@ import { storeToRefs } from "pinia"
 import { useAuthModalStore } from "../store/authModal"
 import { useConfigStore } from "../store/config"
 import { useUserStore } from "../store/user"
+import { useLoginSummaryStore } from "../store/loginSummary"
 
 const userStore = useUserStore()
 const configStore = useConfigStore()
 const authStore = useAuthModalStore()
+const loginSummaryStore = useLoginSummaryStore()
 
 const {
   loginModalOpen,
@@ -60,7 +62,8 @@ async function submit() {
       }
       if (!msg.value) {
         authStore.closeLoginModal()
-        userStore.getMyProfile()
+        await userStore.getMyProfile()
+        loginSummaryStore.open()
       }
     }
   })
diff --git a/src/shared/components/LoginSummaryModal.vue b/src/shared/components/LoginSummaryModal.vue
new file mode 100644
index 0000000..8c1a608
--- /dev/null
+++ b/src/shared/components/LoginSummaryModal.vue
@@ -0,0 +1,87 @@
+<script setup lang="ts">
+import { MdPreview } from "md-editor-v3"
+import "md-editor-v3/lib/preview.css"
+import { useBreakpoints } from "shared/composables/breakpoints"
+import { useLoginSummaryStore } from "shared/store/loginSummary"
+import { parseTime } from "utils/functions"
+
+const loginSummaryStore = useLoginSummaryStore()
+const { isDesktop } = useBreakpoints()
+
+const rangeText = computed(() => {
+  const summary = loginSummaryStore.summary
+  if (!summary?.start || !summary?.end) {
+    return ""
+  }
+  const start = parseTime(summary.start, "YYYY-MM-DD HH:mm")
+  const end = parseTime(summary.end, "YYYY-MM-DD HH:mm")
+  return `${start} - ${end}`
+})
+
+const hasAnalysis = computed(() => !!loginSummaryStore.analysis)
+
+</script>
+
+<template>
+  <n-modal
+    v-model:show="loginSummaryStore.show"
+    preset="card"
+    title="登录速报"
+    style="width: min(760px, 92vw)"
+  >
+    <n-spin :show="loginSummaryStore.loading" size="small">
+      <n-flex vertical size="large">
+        <n-text v-if="rangeText">统计区间：{{ rangeText }}</n-text>
+        <n-grid :cols="isDesktop ? 3 : 1" :x-gap="16" :y-gap="16">
+          <n-gi>
+            <n-statistic
+              label="新增题目"
+              :value="loginSummaryStore.summary?.new_problem_count ?? 0"
+            />
+          </n-gi>
+          <n-gi>
+            <n-statistic
+              label="提交次数"
+              :value="loginSummaryStore.summary?.submission_count ?? 0"
+            />
+          </n-gi>
+          <n-gi>
+            <n-statistic
+              label="AC 次数"
+              :value="loginSummaryStore.summary?.accepted_count ?? 0"
+            />
+          </n-gi>
+          <n-gi>
+            <n-statistic
+              label="AC 题目数"
+              :value="loginSummaryStore.summary?.solved_count ?? 0"
+            />
+          </n-gi>
+          <n-gi>
+            <n-statistic
+              label="流程图提交"
+              :value="loginSummaryStore.summary?.flowchart_submission_count ?? 0"
+            />
+          </n-gi>
+        </n-grid>
+
+        <n-divider>AI 分析</n-divider>
+        <n-alert
+          v-if="loginSummaryStore.analysisError"
+          type="warning"
+          :show-icon="false"
+        >
+          {{ loginSummaryStore.analysisError }}
+        </n-alert>
+        <MdPreview
+          v-if="hasAnalysis"
+          :model-value="loginSummaryStore.analysis"
+        />
+        <n-empty
+          v-else
+          description="提交数少于 3 次，暂不生成 AI 分析"
+        />
+      </n-flex>
+    </n-spin>
+  </n-modal>
+</template>
diff --git a/src/shared/store/loginSummary.ts b/src/shared/store/loginSummary.ts
new file mode 100644
index 0000000..e57d924
--- /dev/null
+++ b/src/shared/store/loginSummary.ts
@@ -0,0 +1,55 @@
+import { getAILoginSummary } from "oj/api"
+
+interface LoginSummary {
+  start: string
+  end: string
+  new_problem_count: number
+  submission_count: number
+  accepted_count: number
+  solved_count: number
+  flowchart_submission_count: number
+}
+
+export const useLoginSummaryStore = defineStore("loginSummary", () => {
+  const show = ref(false)
+  const loading = ref(false)
+  const summary = ref<LoginSummary | null>(null)
+  const analysis = ref("")
+  const analysisError = ref("")
+
+  async function fetchSummary() {
+    loading.value = true
+    analysis.value = ""
+    analysisError.value = ""
+    try {
+      const res = await getAILoginSummary()
+      summary.value = res.data.summary
+      analysis.value = res.data.analysis || ""
+      analysisError.value = res.data.analysis_error || ""
+    } catch (err) {
+      analysisError.value = "获取登录统计失败，请稍后再试"
+    } finally {
+      loading.value = false
+    }
+  }
+
+  async function open() {
+    show.value = true
+    await fetchSummary()
+  }
+
+  function close() {
+    show.value = false
+  }
+
+  return {
+    show,
+    loading,
+    summary,
+    analysis,
+    analysisError,
+    fetchSummary,
+    open,
+    close,
+  }
+})