diff --git a/src/sharer.cpp b/src/sharer.cpp
index 696759f..c6577c9 100644
--- a/src/sharer.cpp
+++ b/src/sharer.cpp
@@ -218,8 +218,10 @@ void sharer::do_clause_sharing() {
             if(clause_imported[cls[i]->hash_code()]) {
                 std::swap(cls[i], cls[t_size-1]);
                 t_size--;
+                i--;
             }
         }
+        
         cls.resize(t_size);
 
         //分享当前节点产生的子句
diff --git a/src/solve.cpp b/src/solve.cpp
index 42843fe..c936609 100644
--- a/src/solve.cpp
+++ b/src/solve.cpp
@@ -80,7 +80,7 @@ void light::diversity_workers() {
             workers[i]->configure("stable", 1);
             workers[i]->configure("target", 2);
             workers[i]->configure("phase", 1);
-            workers[i]->configure("heuristic", 0);
+            // workers[i]->configure("heuristic", 0);
 
             if (i == 2)
                 workers[i]->configure("stable", 0); 
@@ -103,11 +103,11 @@ void light::diversity_workers() {
             // workers[i]->configure("walkinitially", 0);
             workers[i]->configure("target", 1);
             // workers[i]->configure("phase", 1);
-            workers[i]->configure("heuristic", 0);
+            // workers[i]->configure("heuristic", 0);
             // workers[i]->configure("margin", 1)0;
                 
             if (i == 0  || i == 1  || i == 7  || i == 8  || i == 11 || i == 15) 
-            workers[i]->configure("heuristic", 1);
+            // workers[i]->configure("heuristic", 1);
 
             if (i == 3  || i == 6  || i == 8  || i == 11 || i == 12 || i == 13)
                 workers[i]->configure("chrono", 0);