修复血缘只能;后问题

dlink-core/src/main/java/com/dlink/explainer/Explainer.java

@@ -41,6 +41,7 @@ public class Explainer {
 
     public Explainer(Executor executor) {
         this.executor = executor;
+        init();
     }
 
     public Explainer(Executor executor, boolean useStatementSet, String sqlSeparator) {
@@ -49,6 +50,10 @@ public class Explainer {
         this.sqlSeparator = sqlSeparator;
     }
 
+    public void init(){
+        sqlSeparator = SystemConfiguration.getInstances().getSqlSeparator();
+    }
+
     public static Explainer build(Executor executor) {
         return new Explainer(executor, false, ";");
     }