diff --git a/weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/api/impl/WxMaUserServiceImpl.java b/weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/api/impl/WxMaUserServiceImpl.java
index abbb021e8..bd715efde 100644
--- a/weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/api/impl/WxMaUserServiceImpl.java
+++ b/weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/api/impl/WxMaUserServiceImpl.java
@@ -109,7 +109,7 @@ public WxMaCode2VerifyInfoResult getCode2VerifyInfo(String code, String checkcod
 
   @Override
   public boolean checkSessionKey(String openid, String sessionKey) throws WxErrorException {
-    String signature = SignUtils.createHmacSha256Sign(openid, sessionKey);
+    String signature = SignUtils.createHmacSha256Sign("", sessionKey).toLowerCase();
     String url = String.format(CHECK_SESSION_KEY_URL, openid, signature);
     this.service.get(url, null);
     return true;
diff --git a/weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/constant/WxMaApiUrlConstants.java b/weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/constant/WxMaApiUrlConstants.java
index e16cd982a..c6f70df76 100644
--- a/weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/constant/WxMaApiUrlConstants.java
+++ b/weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/constant/WxMaApiUrlConstants.java
@@ -387,7 +387,7 @@ public interface User {
     String CODE_2_VERIFY_INFO_URL = "https://api.weixin.qq.com/wxa/sec/checkcode2verifyinfo";
     /** 检查登录态接口 */
     String CHECK_SESSION_KEY_URL =
-        "https://api.weixin.qq.com/wxa/checksessionkey?openid=%s&signature=%s&sig_method=hmac_sha256";
+        "https://api.weixin.qq.com/wxa/checksession?openid=%s&signature=%s&sig_method=hmac_sha256";
   }
 
   public interface Ocr {
diff --git a/weixin-java-miniapp/src/test/java/cn/binarywang/wx/miniapp/api/impl/WxMaUserServiceImplCheckSessionKeyTest.java b/weixin-java-miniapp/src/test/java/cn/binarywang/wx/miniapp/api/impl/WxMaUserServiceImplCheckSessionKeyTest.java
new file mode 100644
index 000000000..73aa9ac30
--- /dev/null
+++ b/weixin-java-miniapp/src/test/java/cn/binarywang/wx/miniapp/api/impl/WxMaUserServiceImplCheckSessionKeyTest.java
@@ -0,0 +1,35 @@
+package cn.binarywang.wx.miniapp.api.impl;
+
+import cn.binarywang.wx.miniapp.api.WxMaService;
+import me.chanjar.weixin.common.error.WxErrorException;
+import me.chanjar.weixin.common.util.SignUtils;
+import org.mockito.ArgumentCaptor;
+import org.testng.annotations.Test;
+
+import static org.mockito.ArgumentMatchers.anyString;
+import static org.mockito.ArgumentMatchers.isNull;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+import static org.testng.Assert.assertEquals;
+
+/**
+ * {@link WxMaUserServiceImpl} 检查登录态接口的单元测试。
+ */
+public class WxMaUserServiceImplCheckSessionKeyTest {
+
+  @Test
+  public void shouldUseCheckSessionUrlAndSignEmptyStringWhenCheckingSessionKey() throws WxErrorException {
+    WxMaService wxMaService = mock(WxMaService.class);
+    when(wxMaService.get(anyString(), isNull())).thenReturn("{\"errcode\":0,\"errmsg\":\"ok\"}");
+
+    new WxMaUserServiceImpl(wxMaService).checkSessionKey("user-openid", "session-key");
+
+    ArgumentCaptor<String> url = ArgumentCaptor.forClass(String.class);
+    verify(wxMaService).get(url.capture(), isNull());
+    assertEquals(url.getValue(),
+      "https://api.weixin.qq.com/wxa/checksession?openid=user-openid&signature="
+        + SignUtils.createHmacSha256Sign("", "session-key").toLowerCase()
+        + "&sig_method=hmac_sha256");
+  }
+}
diff --git a/weixin-java-miniapp/src/test/resources/testng.xml b/weixin-java-miniapp/src/test/resources/testng.xml
index b34a4415d..9733604a1 100644
--- a/weixin-java-miniapp/src/test/resources/testng.xml
+++ b/weixin-java-miniapp/src/test/resources/testng.xml
@@ -4,6 +4,7 @@
   <test name="Unit_Test">
     <classes>
       <class name="cn.binarywang.wx.miniapp.api.impl.WxMaSubscribeServiceImplUrlTest"/>
+      <class name="cn.binarywang.wx.miniapp.api.impl.WxMaUserServiceImplCheckSessionKeyTest"/>
     </classes>
   </test>
 </suite>