diff --git a/src/main/java/com/peanut/modules/common/service/impl/UserCertificateServiceImpl.java b/src/main/java/com/peanut/modules/common/service/impl/UserCertificateServiceImpl.java
index 69e506a7..37bfdaaf 100644
--- a/src/main/java/com/peanut/modules/common/service/impl/UserCertificateServiceImpl.java
+++ b/src/main/java/com/peanut/modules/common/service/impl/UserCertificateServiceImpl.java
@@ -300,9 +300,6 @@ public class UserCertificateServiceImpl extends ServiceImpl<UserCertificateDao,
 
             g.setFont(new Font("Arial", Font.PLAIN, 32));
             FontMetrics dess = g.getFontMetrics();
-            int alreadyWriteLine = 0; //已经写了多少行
-            int nowWidth = 0; //目前一行的长度
-            boolean space = true; //第一行空两格
             String des = "";
             if ("ZK".equals(type)){
                 des = "Has past the online-examination study of "+edes[0]+" Courses in Tai Hu Education online.";
@@ -310,9 +307,10 @@ public class UserCertificateServiceImpl extends ServiceImpl<UserCertificateDao,
                 des = "Has satisfactorily completed an online course on "+edes[0]+" with "+edes[1]+" course hours in total, and has been recongnized eligibility without assessment.";
             }
             String str = "";
+            int alreadyWriteLine = 0; //已经写了多少行
             int nowIndex = 0; //目前一行的长度
             for (int i = 0; i < des.length(); i++) { //9
-                String tempStr = "";
+                String tempStr;
                 str = str + des.charAt(i);
                 int strWidth = dess.stringWidth(str.substring(nowIndex)); //获取字符的长度
                 if (strWidth>700) {//换行