support weightAdjust by show

paddle/fluid/train/custom_trainer/feed/scripts/update.py

@@ -50,7 +50,7 @@ def inference():
 
     accessors = [
         { "class": "AbacusSparseUpdateAccessor", "input": "sparses", "table_id": 0, "need_gradient": True},
-        { "class": "DenseInputAccessor", "input": "vars", "table_id": 5, "need_gradient": True, "async_pull": True},
+        { "class": "DenseInputAccessor", "input": "vars", "table_id": 3, "need_gradient": True, "async_pull": True},
         { "class": "WeightsAdjustAccessor", "input": "ins_weight", 
                    "slot_id": 6002, "adjw_ratio": 20, "adjw_threshold": 1000},
         { "class": "LabelInputAccessor", "input": "labels"}