增加mysql断线重连优化

db/hotimedb.go

@@ -341,7 +341,7 @@ func (that *HoTimeDB) Query(query string, args ...interface{}) []Map {
 			}
 			return that.Query(query, args...)
 		}
-		return nil
+		return that.Query(query, args...)
 	}
 
 	return that.Row(resl)
@@ -379,6 +379,7 @@ func (that *HoTimeDB) Exec(query string, args ...interface{}) (sql.Result, *Erro
 			}
 			return that.Exec(query, args...)
 		}
+		return that.Exec(query, args...)
 	}
 
 	return resl, that.LastErr