diff --git a/api/base.py b/api/base.py
index 214d253a..c9d2aa73 100644
--- a/api/base.py
+++ b/api/base.py
@@ -335,7 +335,7 @@ def study_video(self, course: Dict, job: Dict, job_info: Dict,
             logger.info(f"开始任务: {job['name']}, 总时长: {duration}秒")
             
             # 循环提交播放进度
-            while not is_finished:
+            while True:  # 使用 True 替代 1，更符合 Python 规范
                 if is_finished:
                     playing_time = duration
                     
@@ -349,14 +349,14 @@ def study_video(self, course: Dict, job: Dict, job_info: Dict,
                     
                 # 计算等待时间    
                 wait_time = get_random_seconds()
-                if playing_time + wait_time >= int(duration):
-                    wait_time = int(duration) - playing_time
+                if playing_time + int(speed * wait_time) >= int(duration):
+                    # 计算剩余时间,确保不会超过总时长
+                    wait_time = max(1, int((duration - playing_time) / speed))
                     is_finished = True
                     
                 # 显示进度
                 show_progress(job['name'], playing_time, wait_time, duration, speed)
-                playing_time += wait_time
-                
+                playing_time += int(speed * wait_time)  # 根据播放速度调整增加的时间
             print("\r", end="", flush=True)
             logger.info(f"任务完成: {job['name']}")
             
diff --git a/api/process.py b/api/process.py
index 7e5d9cba..dbe920c2 100644
--- a/api/process.py
+++ b/api/process.py
@@ -12,10 +12,10 @@ def sec2time(sec: int):
     return '--:--'
 
 
-def show_progress(name: str, start: int, span: int, total: int, _speed: float):
+def show_progress(name: str, start: int, span: int, total: int, speed: float):
     start_time = time.time()
-    while int(time.time() - start_time) < int(span / _speed):
-        current = start + int((time.time() - start_time) * _speed)
+    while int(time.time() - start_time) < int(span / speed):
+        current = start + int((time.time() - start_time) * speed)
         percent = int(current / total * 100)
         length = int(percent * 40 // 100)
         progress = ("#" * length).ljust(40, " ")
diff --git a/main.py b/main.py
index 2630ddf9..e4868505 100644
--- a/main.py
+++ b/main.py
@@ -126,7 +126,7 @@ def init_config() -> Config:
     parser.add_argument("-u", "--username", type=str, help="手机号账号")
     parser.add_argument("-p", "--password", type=str, help="登录密码") 
     parser.add_argument("-l", "--list", type=str, help="要学习的课程ID列表")
-    parser.add_argument("-s", "--speed", type=float, default=1.0, help="视频播放倍速(默认1，最大2)")
+    parser.add_argument("-s", "--speed", type=float, default=1.0, help="视频播放倍速(默认1)")
     
     args = parser.parse_args()
     
@@ -137,7 +137,7 @@ def init_config() -> Config:
         username=args.username,
         password=args.password,
         course_list=args.list.split(",") if args.list else None,
-        speed=min(2.0, max(1.0, args.speed)),
+        speed=max(1.0, args.speed),
         tiku_config=None
     )