接口文档的支持

yzg-util-base/src/main/java/com/yanzuoguang/util/log/LogDefault.java

@@ -35,14 +35,12 @@ public class LogDefault implements RunnableLog {
                 info.getTag(),
                 info.getMessage()
         ));
-        if (info.getException() != null) {
-            sb.append(info.getException().getClass().getName());
-            sb.append(info.getException().getMessage());
-        }
-
-        if (info.getException() != null) {
+        Throwable ex = info.getException();
+        if (ex != null) {
+            sb.append(ex.getClass().getName());
+            sb.append(ex.getMessage());
             System.err.println(sb.toString());
-            info.getException().printStackTrace();
+            ex.printStackTrace();
         } else {
             System.out.println(sb.toString());
         }