diff --git a/weixin-java-common/src/main/java/me/chanjar/weixin/common/util/crypto/SHA1.java b/weixin-java-common/src/main/java/me/chanjar/weixin/common/util/crypto/SHA1.java
index 732d1bb85..3cdc57238 100644
--- a/weixin-java-common/src/main/java/me/chanjar/weixin/common/util/crypto/SHA1.java
+++ b/weixin-java-common/src/main/java/me/chanjar/weixin/common/util/crypto/SHA1.java
@@ -33,7 +33,7 @@ public class SHA1 {
     if (StringUtils.isAnyEmpty(arr)) {
       throw new IllegalArgumentException("非法请求参数，有部分参数为空 : " + Arrays.toString(arr));
     }
-    
+
     Arrays.sort(arr);
     StringBuilder sb = new StringBuilder();
     for (int i = 0; i < arr.length; i++) {
diff --git a/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/api/impl/AbstractWxCpServiceImpl.java b/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/api/impl/AbstractWxCpServiceImpl.java
index b8eebe38e..463125b46 100644
--- a/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/api/impl/AbstractWxCpServiceImpl.java
+++ b/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/api/impl/AbstractWxCpServiceImpl.java
@@ -63,6 +63,7 @@ public abstract class AbstractWxCpServiceImpl<H, P> implements WxCpService, Requ
       return SHA1.gen(this.configStorage.getToken(), timestamp, nonce, data)
         .equals(msgSignature);
     } catch (Exception e) {
+      this.log.error("Checking signature failed, and the reason is :" + e.getMessage());
       return false;
     }
   }
@@ -293,7 +294,7 @@ public abstract class AbstractWxCpServiceImpl<H, P> implements WxCpService, Requ
     String responseContent = get(url, params);
     JsonElement tmpJsonElement = new JsonParser().parse(responseContent);
     return WxCpGsonBuilder.INSTANCE.create()
-      .fromJson(        tmpJsonElement.getAsJsonObject().get("userlist"),
+      .fromJson(tmpJsonElement.getAsJsonObject().get("userlist"),
         new TypeToken<List<WxCpUser>>() {
         }.getType()
       );
diff --git a/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/api/impl/AbstractWxMpServiceImpl.java b/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/api/impl/AbstractWxMpServiceImpl.java
index e1dfd83f4..85d307188 100644
--- a/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/api/impl/AbstractWxMpServiceImpl.java
+++ b/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/api/impl/AbstractWxMpServiceImpl.java
@@ -53,6 +53,7 @@ public abstract class AbstractWxMpServiceImpl<H, P> implements WxMpService, Requ
       return SHA1.gen(this.getWxMpConfigStorage().getToken(), timestamp, nonce)
         .equals(signature);
     } catch (Exception e) {
+      this.log.error("Checking signature failed, and the reason is :" + e.getMessage());
       return false;
     }
   }