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ruoyi-admin/src/main/java/com/ruoyi/tencentSMS/service/impl/TencentSmsServiceImpl.java

@@ -75,7 +75,7 @@ public class TencentSmsServiceImpl implements TencentSmsService {
 
         } catch (TencentCloudSDKException e) {
             log.error("send tencent sms fail!{},params:{}", Throwables.getStackTraceAsString(e), JSON.toJSONString(tencentSmsParam));
-            return null;
+            return Throwables.getStackTraceAsString(e);
         }
 
     }