diff --git a/doc/黄金交易所数据库加密 java 接口新增.docx b/doc/黄金交易所数据库加密 java 接口新增.docx
index 17aea7d..57f0c8b 100644
Binary files a/doc/黄金交易所数据库加密 java 接口新增.docx and b/doc/黄金交易所数据库加密 java 接口新增.docx differ
diff --git a/src/main/java/com/sunyard/sge/pool/ThreadBasedConnectPool.java b/src/main/java/com/sunyard/sge/pool/ThreadBasedConnectPool.java
index 8324800..69bda3e 100644
--- a/src/main/java/com/sunyard/sge/pool/ThreadBasedConnectPool.java
+++ b/src/main/java/com/sunyard/sge/pool/ThreadBasedConnectPool.java
@@ -56,14 +56,14 @@ public class ThreadBasedConnectPool<T> {
                         continue;
                     }
 
-                    boolean checkRet = false;
+                    boolean checkPass = false;
                     try {
-                        checkRet = check(entry.getValue().getObject());
+                        checkPass = check(entry.getValue().getObjectForCheck());
                     } catch (Exception e) {
-                        checkRet = false;
+                        checkPass = false;
                     }
 
-                    if (checkRet) {
+                    if ( ! checkPass) {
                         log.debug("一个链接检查未通过");
                         // 检查未通过
                         it.remove();