Index: ssts-selenium-test/src/test/java/test_4_1/tools/Utils.java
===================================================================
diff -u -r17889 -r17890
--- ssts-selenium-test/src/test/java/test_4_1/tools/Utils.java	(.../Utils.java)	(revision 17889)
+++ ssts-selenium-test/src/test/java/test_4_1/tools/Utils.java	(.../Utils.java)	(revision 17890)
@@ -565,16 +565,18 @@
 				WebElement table = retryingFind(by);
 				if (table != null) {
 					WebElement cell = getFirstCellOfTable(table);
-					cell.click();
+					if (cell != null){
+						cell.click();
+					}
 					result = true;
 					break;
 				}
 			} catch (StaleElementReferenceException e) {
-				System.out.println("发生了异常：StaleElementReferenceException");
-				e.printStackTrace();
+//				System.out.println("发生了异常：StaleElementReferenceException");
+//				e.printStackTrace();
 			} catch (NoSuchElementException e) {
-				System.out.println("发生了异常：NoSuchElementException");
-				e.printStackTrace();
+//				System.out.println("发生了异常：NoSuchElementException");
+//				e.printStackTrace();
 			}
 			attempts++;
 		}