diff --git a/src/main/java/com/gaotao/modules/report/service/impl/ReportServiceImpl.java b/src/main/java/com/gaotao/modules/report/service/impl/ReportServiceImpl.java
index b374608..23353e6 100644
--- a/src/main/java/com/gaotao/modules/report/service/impl/ReportServiceImpl.java
+++ b/src/main/java/com/gaotao/modules/report/service/impl/ReportServiceImpl.java
@@ -346,7 +346,7 @@ public class ReportServiceImpl implements ReportService {
                     columnAlias = colmunFiled.substring(charIndex);
                 }else{
                     //处理sql的前后" '
-                    columnAlias = columnAlias.substring(1, columnAlias.length() - 1);
+                    columnAlias = columnAlias.substring(1, columnAlias.length());
                 }
                 columnList.add(columnAlias);
             }