驱动因素提示词修改，逻辑优化

src/main/java/com/zzsn/event/service/impl/AnalysisServiceImpl.java

@@ -344,6 +344,10 @@ public class AnalysisServiceImpl implements AnalysisService {
                 impact.put("impactDetail", impactDetail);
             }
             result = JSON.toJSONString(impactList);
+        } else if (llmConfig.getColumnCode().equals(AnalysisColumnEnum.DRIVING_FACTORS.getCode())) {
+            JSONObject params = new JSONObject();
+            params.put("drivingFactor", result);
+            result = JSON.toJSONString(params);
         }
         return result;
     }