修改断言信息.

mybatis-plus-core/src/main/java/com/baomidou/mybatisplus/core/conditions/query/LambdaQueryWrapper.java

@@ -101,7 +101,7 @@ public class LambdaQueryWrapper<T> extends AbstractLambdaWrapper<T, LambdaQueryW
     @SafeVarargs
     public final LambdaQueryWrapper<T> excludeColumns(Class<?> entityClass, Property<T, ?>... excludeColumns) {
         Assert.notNull(entityClass,"entityClass is not null");
-        Assert.notEmpty(excludeColumns,"excludeColumns is not null");
+        Assert.notEmpty(excludeColumns,"excludeColumns is not empty");
         this.entityClass = entityClass;
         for (Property<T, ?> column : excludeColumns) {
             excludeColumn.add(this.columnToString(column));

mybatis-plus-core/src/main/java/com/baomidou/mybatisplus/core/conditions/query/QueryWrapper.java

@@ -104,7 +104,7 @@ public class QueryWrapper<T> extends AbstractWrapper<T, String, QueryWrapper<T>>
      */
     public QueryWrapper<T> excludeColumns(Class<?> entityClass,String... excludeColumns) {
         Assert.notNull(entityClass,"entityClass is not null");
-        Assert.notEmpty(excludeColumns,"excludeColumns is not null");
+        Assert.notEmpty(excludeColumns,"excludeColumns is not empty");
         this.excludeColumns = excludeColumns;
         this.entityClass = entityClass;
         return typedThis;