fix: Fixed the error in generating word clouds when the text became empty after stop word filtering

starbot/painter/LiveReportGenerator.py

@@ -368,9 +368,6 @@ class LiveReportGenerator:
         if model.danmu_cloud:
             all_danmu = param.get('all_danmu', [])
 
-            if all_danmu:
-                pic.draw_section("弹幕词云")
-
             if config.get("DANMU_CLOUD_DICT"):
                 try:
                     jieba.load_userdict(config.get("DANMU_CLOUD_DICT"))
@@ -381,15 +378,17 @@ class LiveReportGenerator:
             words = list(jieba.cut(all_danmu_str))
             counts = dict(Counter(words))
 
-                stop_words = {}
             if config.get("DANMU_CLOUD_STOP_WORDS"):
                 try:
                     with open(config.get("DANMU_CLOUD_STOP_WORDS"), "r", encoding="utf-8") as f:
                         stop_words = set(line.strip() for line in f)
-                    except Exception:
-                        logger.error("载入弹幕词云停用词失败, 请检查配置的停用词路径是否正确")
                         for sw in stop_words:
                             counts.pop(sw, None)
+                except Exception:
+                    logger.error("载入弹幕词云停用词失败, 请检查配置的停用词路径是否正确")
+
+            if len(counts) > 0:
+                pic.draw_section("弹幕词云")
 
                 font_base_path = os.path.dirname(os.path.dirname(__file__))
                 word_cloud = WordCloud(width=900,