fix: 完善

src/heurams/interface/screens/precache.py

@@ -177,26 +177,16 @@ class PrecachingScreen(Screen):
         nu = list()
         for file in nucleon_files:
             try:
-                nu += pt.load_nucleon(file)[0]
-                self.total = len(nu)
+                for i in pt.load_nucleon(file):
+                    nu.append(i[0])
             except:
                 continue
-        
-        self.processed = 0
-        self.is_precaching = True
-        
-        for file in nucleon_files:
-            try:
-                nu += pt.load_nucleon(file)[0]
-                if not self.precache_by_list(nu):
-                    break  # 用户取消
-            except Exception as e:
-                print(f"处理文件失败 {file}: {e}")
-                continue
-        
-        self.is_precaching = False
-        self.update_status("完成", "所有单元的音频已被预缓存", 100)
-
+        self.total = len(nu)
+        for i in nu:
+            i: pt.Nucleon
+            i.do_eval()
+        return self.precache_by_list(nu)
+    
     def on_button_pressed(self, event: Button.Pressed) -> None:
         event.stop()
         if event.button.id == "start_precache" and not self.is_precaching: