谁能告诉我为什么assertEquals("大家电",category1.getCategory1Name())提示错误了

org.junit.ComparisonFailure: 
Expected :大家电
Actual   :大家电  
 <Click to see difference>	
 at org.junit.Assert.assertEquals(Assert.java:115)
at org.junit.Assert.assertEquals(Assert.java:144)
at com.imooc.demo.dao.Category1DaoTest.queryCategory1Id(Category1DaoTest.java:33)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)	
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	
at java.lang.reflect.Method.invoke(Method.java:498)	
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)	
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)	
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)	
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)	
at org.springframework.test.context.junit4.statements.RunBeforeTestExecutionCallbacks.evaluate(RunBeforeTestExecutionCallbacks.java:74)	
at org.springframework.test.context.junit4.statements.RunAfterTestExecutionCallbacks.evaluate(RunAfterTestExecutionCallbacks.java:84)	
at org.springframework.test.context.junit4.statements.RunBeforeTestMethodCallbacks.evaluate(RunBeforeTestMethodCallbacks.java:75)	
at org.springframework.test.context.junit4.statements.RunAfterTestMethodCallbacks.evaluate(RunAfterTestMethodCallbacks.java:86)	
at org.springframework.test.context.junit4.statements.SpringRepeat.evaluate(SpringRepeat.java:84)	
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)	
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:251)	
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:97)	
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)	
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)	
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)	
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)	
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)	
at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61)	
at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:70)	
at org.junit.runners.ParentRunner.run(ParentRunner.java:363)	
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:190)	
at org.junit.runner.JUnitCore.run(JUnitCore.java:137)	
at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68)	
at com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:47)	
at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:242)	
at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70)