https://wechatpay-api.gitbook.io/wechatpay-api-v3/qian-ming-zhi-nan-1/zheng-shu-he-hui-tiao-bao-wen-jie-mi 解密的代码是文档中的代码，一字未改，密文也是之前的密文，没换过，微信支付后台显示的apiv3更新时间也是最早的更新时间，目前无法解密，是为什么，只有以下报错信息 java.lang.IllegalArgumentException: java.security.InvalidKeyException: Illegal key size at cn.xxxx.util.AesUtil.decryptToString(AesUtil.java:41) at cn.xxxx.util.WechatTest.testTousu(WechatTest.java:23) 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.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57) 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$2.evaluate(ParentRunner.java:268) at org.junit.runners.ParentRunner.run(ParentRunner.java:363) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68) at com.intellij.rt.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:33) at com.intellij.rt.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:230) at com.intellij.rt.junit.JUnitStarter.main(JUnitStarter.java:58) Caused by: java.security.InvalidKeyException: Illegal key size at javax.crypto.Cipher.checkCryptoPerm(Cipher.java:1039) at javax.crypto.Cipher.implInit(Cipher.java:805) at javax.crypto.Cipher.chooseProvider(Cipher.java:864) at javax.crypto.Cipher.init(Cipher.java:1396) at javax.crypto.Cipher.init(Cipher.java:1327) at cn.fangline.ant.util.AesUtil.decryptToString(AesUtil.java:34) ... 23 more

我公众号的生成带参数二维码次数还有很多，但是为什么我调用api生成字符串参数的二维码，会提示次数不足，生成整数参数的就够，生成代码都是一直在用的，代码并没有问题，换个公众号也可以生成， 为什么我现在这个公众号就直接提示这个了 [图片] {"errcode":45029,"errmsg":"qrcode count out of limit rid: 6010e072-6ebfdb8e-456297cc"}