diff --git a/public/src/js/scoresheet.js b/public/src/js/scoresheet.js
index 78cb015..3d81acc 100644
--- a/public/src/js/scoresheet.js
+++ b/public/src/js/scoresheet.js
@@ -178,8 +178,67 @@ class Scoresheet {
 			}
 			this.game.appendChild(this.tetsuoHana)
 		}
+
+		// Add leaderboard submit button if user is logged in
+		if (account.loggedIn && !this.multiplayer) {
+			this.leaderboardBtn = document.createElement("div")
+			this.leaderboardBtn.id = "leaderboard-submit-btn"
+			this.leaderboardBtn.innerHTML = "🏆 提交排行榜<br><small>Submit to Leaderboard</small>"
+			this.leaderboardBtn.style.cssText = `
+				position: fixed;
+				bottom: 20px;
+				right: 20px;
+				padding: 15px 25px;
+				background: linear-gradient(135deg, #ff6b9d, #c44db3);
+				color: white;
+				border-radius: 15px;
+				font-size: 18px;
+				font-family: ${strings.font || "sans-serif"};
+				text-align: center;
+				cursor: pointer;
+				z-index: 1000;
+				box-shadow: 0 4px 15px rgba(0,0,0,0.3);
+				border: 3px solid #fff;
+				transition: all 0.2s ease;
+				user-select: none;
+			`
+			this.leaderboardBtn.onmouseover = () => {
+				if (!this.leaderboardSubmitted) {
+					this.leaderboardBtn.style.transform = "scale(1.05)"
+					this.leaderboardBtn.style.boxShadow = "0 6px 20px rgba(0,0,0,0.4)"
+				}
+			}
+			this.leaderboardBtn.onmouseout = () => {
+				this.leaderboardBtn.style.transform = "scale(1)"
+				this.leaderboardBtn.style.boxShadow = "0 4px 15px rgba(0,0,0,0.3)"
+			}
+			this.leaderboardBtn.onclick = () => this.onLeaderboardBtnClick()
+			this.game.appendChild(this.leaderboardBtn)
+		}
 	}
 
+	onLeaderboardBtnClick() {
+		if (this.leaderboardSubmitted) {
+			return
+		}
+		if (!this.leaderboardData || !this.leaderboardData.songId) {
+			this.showLeaderboardNotification("no_song_id")
+			return
+		}
+
+		// Disable button and show submitting state
+		this.leaderboardBtn.innerHTML = "⏳ 提交中..."
+		this.leaderboardBtn.style.background = "linear-gradient(135deg, #888, #666)"
+		this.leaderboardBtn.style.cursor = "default"
+
+		this.submitToLeaderboard(
+			this.leaderboardData.songId,
+			this.leaderboardData.difficulty,
+			this.leaderboardData.scoreObj
+		)
+	}
+
+
 	redraw() {
 		if (!this.redrawRunning) {
 			return
@@ -933,6 +992,15 @@ class Scoresheet {
 			if (clearReached) {
 				crown = this.resultsObj.bad === 0 ? "gold" : "silver"
 			}
+
+			// Store data for manual leaderboard submission
+			this.leaderboardData = {
+				songId: songId,
+				difficulty: difficulty,
+				scoreObj: Object.assign({}, this.resultsObj)
+			}
+			this.leaderboardSubmitted = false
+
 			if (!oldScore || oldScore.points <= this.resultsObj.points) {
 				if (oldScore && (oldScore.crown === "gold" || oldScore.crown === "silver" && !crown)) {
 					crown = oldScore.crown
@@ -941,10 +1009,7 @@ class Scoresheet {
 				delete this.resultsObj.title
 				delete this.resultsObj.difficulty
 				delete this.resultsObj.gauge
-				scoreStorage.add(hash, difficulty, this.resultsObj, true, title).then(() => {
-					// Auto-submit to leaderboard if logged in and has song ID
-					this.submitToLeaderboard(songId, difficulty, this.resultsObj)
-				}).catch(() => {
+				scoreStorage.add(hash, difficulty, this.resultsObj, true, title).catch(() => {
 					this.showWarning = { name: "scoreSaveFailed" }
 				})
 			} else if (oldScore && (crown === "gold" && oldScore.crown !== "gold" || crown && !oldScore.crown)) {
@@ -957,13 +1022,13 @@ class Scoresheet {
 		this.scoreSaved = true
 	}
 
+
 	submitToLeaderboard(songId, difficulty, scoreObj) {
 		// Only submit if user is logged in and song has an ID
 		if (!account.loggedIn || !songId) {
 			return
 		}
 
-
 		var self = this
 		loader.getCsrfToken().then(token => {
 			var request = new XMLHttpRequest()
@@ -976,11 +1041,39 @@ class Scoresheet {
 					try {
 						var response = JSON.parse(request.responseText)
 						if (response.status === "ok") {
+							self.leaderboardSubmitted = true
 							self.showLeaderboardNotification(response.message)
+							// Update button to show success
+							if (self.leaderboardBtn) {
+								self.leaderboardBtn.innerHTML = "✅ 已提交<br><small>Submitted!</small>"
+								self.leaderboardBtn.style.background = "linear-gradient(135deg, #4CAF50, #45a049)"
+							}
+						} else {
+							// Show error
+							self.showLeaderboardNotification("error")
+							if (self.leaderboardBtn) {
+								self.leaderboardBtn.innerHTML = "❌ 失败<br><small>Failed</small>"
+								self.leaderboardBtn.style.background = "linear-gradient(135deg, #f44336, #d32f2f)"
+							}
 						}
 					} catch (e) {
 						console.error("Failed to parse leaderboard response:", e)
+						self.showLeaderboardNotification("error")
 					}
+				} else {
+					self.showLeaderboardNotification("error")
+					if (self.leaderboardBtn) {
+						self.leaderboardBtn.innerHTML = "❌ 失败<br><small>Failed</small>"
+						self.leaderboardBtn.style.background = "linear-gradient(135deg, #f44336, #d32f2f)"
+					}
+				}
+			}
+
+			request.onerror = function () {
+				self.showLeaderboardNotification("error")
+				if (self.leaderboardBtn) {
+					self.leaderboardBtn.innerHTML = "❌ 失败<br><small>Failed</small>"
+					self.leaderboardBtn.style.background = "linear-gradient(135deg, #f44336, #d32f2f)"
 				}
 			}
 
@@ -991,9 +1084,15 @@ class Scoresheet {
 			}))
 		}).catch(() => {
 			console.log("Leaderboard submission failed")
+			this.showLeaderboardNotification("error")
+			if (this.leaderboardBtn) {
+				this.leaderboardBtn.innerHTML = "❌ 失败<br><small>Failed</small>"
+				this.leaderboardBtn.style.background = "linear-gradient(135deg, #f44336, #d32f2f)"
+			}
 		})
 	}
 
+
 	showLeaderboardNotification(message) {
 		var notification = document.createElement("div")
 		notification.className = "leaderboard-notification"
@@ -1020,6 +1119,8 @@ class Scoresheet {
 			case "score_updated": text = "🎉 排行榜成绩已更新！"; break
 			case "score_not_higher": text = "📊 已有更高成绩"; break
 			case "score_too_low": text = "未进入排行榜前50"; break
+			case "error": text = "❌ 提交失败，请重试"; break
+			case "no_song_id": text = "❌ 无法提交：歌曲ID缺失"; break
 			default: text = "排行榜已更新"
 		}
 		notification.innerText = text
@@ -1063,10 +1164,17 @@ class Scoresheet {
 		if (!this.multiplayer) {
 			delete this.tetsuoHana
 		}
+		// Clean up leaderboard button
+		if (this.leaderboardBtn && this.leaderboardBtn.parentNode) {
+			this.leaderboardBtn.parentNode.removeChild(this.leaderboardBtn)
+		}
+		delete this.leaderboardBtn
+		delete this.leaderboardData
 		delete this.ctx
 		delete this.canvas
 		delete this.fadeScreen
 		delete this.results
 		delete this.rules
 	}
+
 }