diff --git a/backend/cmd/main.go b/backend/cmd/main.go
index 9393f1e..b6dd95f 100644
--- a/backend/cmd/main.go
+++ b/backend/cmd/main.go
@@ -104,8 +104,9 @@ func startServer(cfg *config.Config) {
 	// 日志 API
 	mux.HandleFunc("/api/logs", api.CORS(handleGetLogs))
 	mux.HandleFunc("/api/logs/clear", api.CORS(handleClearLogs))
-	mux.HandleFunc("/api/logs/query", api.CORS(handleQueryLogs)) // 按模块查询日志
-	mux.HandleFunc("/api/logs/stream", handleLogStream)          // SSE 实时日志
+	mux.HandleFunc("/api/logs/clear-module", api.CORS(handleClearLogsByModule)) // 按模块清除日志
+	mux.HandleFunc("/api/logs/query", api.CORS(handleQueryLogs))                // 按模块查询日志
+	mux.HandleFunc("/api/logs/stream", handleLogStream)                         // SSE 实时日志
 
 	// S2A 代理 API
 	mux.HandleFunc("/api/s2a/test", api.CORS(handleS2ATest))
@@ -296,6 +297,26 @@ func handleClearLogs(w http.ResponseWriter, r *http.Request) {
 	api.Success(w, map[string]string{"message": "日志已清空"})
 }
 
+// handleClearLogsByModule POST /api/logs/clear-module?module=cleaner
+func handleClearLogsByModule(w http.ResponseWriter, r *http.Request) {
+	if r.Method != http.MethodPost {
+		api.Error(w, http.StatusMethodNotAllowed, "仅支持 POST")
+		return
+	}
+
+	module := r.URL.Query().Get("module")
+	if module == "" {
+		api.Error(w, http.StatusBadRequest, "缺少 module 参数")
+		return
+	}
+
+	cleared := logger.ClearLogsByModule(module)
+	api.Success(w, map[string]interface{}{
+		"message": fmt.Sprintf("已清除 %d 条 %s 日志", cleared, module),
+		"cleared": cleared,
+	})
+}
+
 // handleQueryLogs GET /api/logs/query?module=cleaner&page=1&page_size=5
 func handleQueryLogs(w http.ResponseWriter, r *http.Request) {
 	module := r.URL.Query().Get("module")
diff --git a/backend/internal/api/error_cleaner.go b/backend/internal/api/error_cleaner.go
index 1320a74..53e4777 100644
--- a/backend/internal/api/error_cleaner.go
+++ b/backend/internal/api/error_cleaner.go
@@ -89,13 +89,10 @@ func checkAndCleanErrors() {
 	}
 
 	if len(errorAccounts) == 0 {
-		logger.Info("没有错误账号需要清理", "", "cleaner")
 		lastCleanTime = time.Now()
 		return
 	}
 
-	logger.Info(fmt.Sprintf("找到 %d 个错误账号，开始删除...", len(errorAccounts)), "", "cleaner")
-
 	success := 0
 	failed := 0
 
@@ -106,7 +103,6 @@ func checkAndCleanErrors() {
 			logger.Warning(fmt.Sprintf("删除账号失败: ID=%d, Email=%s, Error=%v", account.ID, account.Email, err), account.Email, "cleaner")
 		} else {
 			success++
-			logger.Success(fmt.Sprintf("删除账号成功: ID=%d, Email=%s", account.ID, account.Email), account.Email, "cleaner")
 		}
 	}
 
diff --git a/backend/internal/logger/logger.go b/backend/internal/logger/logger.go
index eba6bb1..f7ad706 100644
--- a/backend/internal/logger/logger.go
+++ b/backend/internal/logger/logger.go
@@ -242,3 +242,22 @@ func ClearLogs() {
 	defer logsMu.Unlock()
 	logs = make([]LogEntry, 0, 1000)
 }
+
+// ClearLogsByModule 按模块清除日志
+func ClearLogsByModule(module string) int {
+	logsMu.Lock()
+	defer logsMu.Unlock()
+
+	// 过滤掉指定模块的日志
+	var newLogs []LogEntry
+	cleared := 0
+	for _, log := range logs {
+		if log.Module != module {
+			newLogs = append(newLogs, log)
+		} else {
+			cleared++
+		}
+	}
+	logs = newLogs
+	return cleared
+}
diff --git a/frontend/src/components/LiveLogViewer.tsx b/frontend/src/components/LiveLogViewer.tsx
index 1b30317..2004e15 100644
--- a/frontend/src/components/LiveLogViewer.tsx
+++ b/frontend/src/components/LiveLogViewer.tsx
@@ -131,8 +131,22 @@ export default function LiveLogViewer({
         }
     }
 
-    const handleClear = () => {
-        setLogs([])
+    const handleClear = async () => {
+        if (!confirm('确定要清空所有日志吗？此操作不可撤销。')) {
+            return
+        }
+        try {
+            const res = await fetch('/api/logs/clear', { method: 'POST' })
+            const data = await res.json()
+            if (data.code === 0) {
+                setLogs([])
+                pausedLogsRef.current = []
+            } else {
+                alert('清空日志失败: ' + (data.message || '未知错误'))
+            }
+        } catch (e) {
+            alert('清空日志失败: ' + (e instanceof Error ? e.message : '网络错误'))
+        }
     }
 
     return (
@@ -161,8 +175,8 @@ export default function LiveLogViewer({
                     </button>
                     <button
                         onClick={handleClear}
-                        className="p-1.5 rounded-lg bg-slate-700 text-slate-400 hover:bg-slate-600 transition-colors"
-                        title="清空"
+                        className="p-1.5 rounded-lg bg-red-500/20 text-red-400 hover:bg-red-500/30 transition-colors"
+                        title="清空所有日志"
                     >
                         <Trash2 className="h-3.5 w-3.5" />
                     </button>
diff --git a/frontend/src/pages/Cleaner.tsx b/frontend/src/pages/Cleaner.tsx
index 60faa02..b32bc4e 100644
--- a/frontend/src/pages/Cleaner.tsx
+++ b/frontend/src/pages/Cleaner.tsx
@@ -396,6 +396,31 @@ export default function Cleaner() {
                         <span className="text-sm text-slate-500 dark:text-slate-400">
                             共 {logTotal} 条
                         </span>
+                        <Button
+                            variant="outline"
+                            size="sm"
+                            onClick={async () => {
+                                if (!confirm('确定要清空所有清理日志吗？此操作不可撤销。')) return
+                                try {
+                                    const res = await fetch('/api/logs/clear-module?module=cleaner', { method: 'POST' })
+                                    const data = await res.json()
+                                    if (data.code === 0) {
+                                        setLogEntries([])
+                                        setLogTotal(0)
+                                        setLogTotalPages(0)
+                                        setMessage({ type: 'success', text: data.data.message || '日志已清空' })
+                                    } else {
+                                        setMessage({ type: 'error', text: data.message || '清空失败' })
+                                    }
+                                } catch {
+                                    setMessage({ type: 'error', text: '网络错误' })
+                                }
+                            }}
+                            icon={<Trash2 className="h-3 w-3" />}
+                            className="text-red-500 hover:text-red-600 border-red-300 hover:border-red-400 dark:border-red-800"
+                        >
+                            清空日志
+                        </Button>
                         <Button
                             variant="outline"
                             size="sm"