1.修复RA Image在扫描Server二维码得到结果只有一行时Crash。

RA Image/RA Image/LoginSettingViewController.m

@@ -105,7 +105,9 @@ static NSString *kScanAddress = @"ScanAddress";
                     strongself.internalTextField.text = internalAddr;
                     strongself.externalTextField.text = externalAddr;
                 } else {
+                    strongself.nameTextField.text = nil;
                     strongself.internalTextField.text = [dataArr firstObject];
+                    strongself.externalTextField.text = nil;
                 }
                 
             }