diff --git a/src/lib/components/admin/AnalyticsPanel.svelte b/src/lib/components/admin/AnalyticsPanel.svelte
index 1bb12ce..854a978 100644
--- a/src/lib/components/admin/AnalyticsPanel.svelte
+++ b/src/lib/components/admin/AnalyticsPanel.svelte
@@ -53,7 +53,7 @@
 					}
 
 					if (r2Data.length > 0) {
-						r2PayloadSize = r2Data[0]?.sum?.payloadSize || 0;
+						r2PayloadSize = r2Data[0]?.max?.payloadSize || 0;
 					}
 
 					if (data.errorMsg) {
diff --git a/src/lib/server/cloudflare.ts b/src/lib/server/cloudflare.ts
index 55f8efc..fd9d3e3 100644
--- a/src/lib/server/cloudflare.ts
+++ b/src/lib/server/cloudflare.ts
@@ -78,7 +78,7 @@ export async function fetchAnalytics(platform: App.Platform | undefined) {
 			d1Query = `
 					d1AnalyticsAdaptiveGroups(
 						limit: 10000,
-						filter: { datetime_geq: "${thirtyDaysAgo}T00:00:00Z", databaseId: "${d1Id}" }
+						filter: { date_geq: "${thirtyDaysAgo}", databaseId: "${d1Id}" }
 					) {
 						sum {
 							readQueries
@@ -98,7 +98,7 @@ export async function fetchAnalytics(platform: App.Platform | undefined) {
 						filter: { datetime_geq: "${thirtyDaysAgo}T00:00:00Z", bucketName: "${r2Bucket}" },
 						orderBy: [datetime_DESC]
 					) {
-						sum {
+						max {
 							payloadSize
 						}
 					}
@@ -155,6 +155,7 @@ export async function fetchAnalytics(platform: App.Platform | undefined) {
 
 		let d1Data: any[] = [];
 		let r2Data: any[] = [];
+		let accErrorMsg = '';
 
 		if (accountQuery) {
 			const accQueryStr = `query { viewer { ${accountQuery} } }`;
@@ -167,6 +168,10 @@ export async function fetchAnalytics(platform: App.Platform | undefined) {
 				body: JSON.stringify({ query: accQueryStr })
 			});
 			const accResult = (await accRes.json()) as any;
+			if (accResult.errors) {
+				console.error('Account GraphQL Errors:', accResult.errors);
+				accErrorMsg = '账户数据查询失败: ' + (accResult.errors[0]?.message || 'Unknown');
+			}
 			const accountData = accResult?.data?.viewer?.accounts?.[0];
 			if (accountData) {
 				d1Data = accountData.d1AnalyticsAdaptiveGroups || [];
@@ -178,7 +183,8 @@ export async function fetchAnalytics(platform: App.Platform | undefined) {
 			traffic: trafficData,
 			d1: d1Data,
 			r2: r2Data,
-			missingEnvVars: !accountId || !d1Id || !r2Bucket
+			missingEnvVars: !accountId || !d1Id || !r2Bucket,
+			errorMsg: accErrorMsg ? accErrorMsg : undefined
 		};
 	} catch (err: any) {
 		console.error('Failed to fetch analytics', err);