fix: bug修复

src/views/Company/CompanyOverview.js

@@ -1180,12 +1180,15 @@ const CompanyAnalysisComplete = ({ stockCode: propStockCode }) => {
     const links = [];
     
     valueChainData.value_chain_flows.forEach(flow => {
+      // 检查 source 和 target 是否存在
+      if (!flow?.source?.node_name || !flow?.target?.node_name) return;
+
       nodes.add(flow.source.node_name);
       nodes.add(flow.target.node_name);
       links.push({
         source: flow.source.node_name,
         target: flow.target.node_name,
-        value: parseFloat(flow.flow_metrics.flow_ratio) || 1,
+        value: parseFloat(flow.flow_metrics?.flow_ratio) || 1,
         lineStyle: { color: 'source', opacity: 0.6 }
       });
     });
@@ -2421,7 +2424,9 @@ const CompanyAnalysisComplete = ({ stockCode: propStockCode }) => {
                                                 <>
                                                   {event.keywords.slice(0, 4).map((keyword, kidx) => (
                                                     <Tag key={kidx} size="sm" colorScheme="cyan" variant="subtle">
-                                                      {keyword}
+                                                      {typeof keyword === 'string'
+                                                        ? keyword
+                                                        : (keyword?.concept || keyword?.name || '未知')}
                                                     </Tag>
                                                   ))}
                                                 </>