diff --git a/src/event_handler.py b/src/event_handler.py
index 5e584eb..d82e698 100644
--- a/src/event_handler.py
+++ b/src/event_handler.py
@@ -36,7 +36,10 @@ class EventHandler:
         # 获取选中项对应的路径关键词
         key = self.main_window.combo_box_text_dict.get(selected_text)
         if key:
-            self.view_renderer.display_pic(self.main_window.file_processor.get_sensorhistory_path(key))
+            self.view_renderer.display_pic(
+                self.main_window.file_processor.get_sensorhistory_path(key),
+                self.main_window.parse_status.diag_complete_status
+            )
 
     def dragEnterEvent(self, event: QDragEnterEvent):
         """拖入事件：判断是否为文件"""
diff --git a/src/file_processor.py b/src/file_processor.py
index b99eb52..abe4f86 100644
--- a/src/file_processor.py
+++ b/src/file_processor.py
@@ -61,7 +61,10 @@ class FileProcessor:
 
         # 更新传感器图片
         if self.parse_status.sensorhistory_status:
-            self.view_renderer.display_pic(self.get_sensorhistory_path("all"))
+            self.view_renderer.display_pic(
+                self.get_sensorhistory_path("all"), 
+                self.parse_status.diag_complete_status
+            )
 
         # 更新告警表格
         if self.parse_status.parseidl_status and not service.is_idl_alert_empty():
diff --git a/src/service.py b/src/service.py
index 8cc44be..44317f5 100644
--- a/src/service.py
+++ b/src/service.py
@@ -8,6 +8,7 @@ import ZiJin_parse_event as zijin_event
 
 class ServiceStatus():
     def __init__(self):
+        self.diag_complete_status = False
         self.sensorhistory_status = False
         self.baseinfo_status = False
         self.parseidl_status = False
@@ -86,4 +87,7 @@ def start_diagnose(parseStatus):
     parseStatus.set_parseidl_status(result_parseidl)
     
     result_eventline = zijin_event.program_main()
-    parseStatus.set_eventline_status(result_eventline)
\ No newline at end of file
+    parseStatus.set_eventline_status(result_eventline)
+
+    # 完成文件解析后将 diag_complete_status 置位
+    parseStatus.diag_complete_status = True
\ No newline at end of file
diff --git a/src/view_renderer.py b/src/view_renderer.py
index 94add41..aed0126 100644
--- a/src/view_renderer.py
+++ b/src/view_renderer.py
@@ -11,16 +11,24 @@ class ViewRenderer:
         # 持有主窗口引用，用于访问UI组件（如graphicsView、model_alert）
         self.main_window = main_window
 
-    def display_pic(self, image_path):
+    def display_pic(self, image_path, completeStatus):
         """
         在 QGraphicsView 中显示图片（支持抗锯齿、居中适配）
         :param image_path: 图片文件的绝对路径
-        """        
+        """
+        if not completeStatus:
+            show_info_message(
+                parent=self.main_window,
+                title="图片无法显示",
+                message="当前无日志文件解析\n"
+            )
+            return
+
         if not os.path.exists(image_path):
             show_info_message(
                 parent=self.main_window,
                 title="图片无法显示",
-                message="目标日志文件中无温度数据, 可能是BMC版本不支持\n"
+                message="目标日志文件中无温度数据; BMC版本不支持\n"
             )
             return