diff --git a/src/main/java/org/bdware/sc/compiler/YJSCompiler.java b/src/main/java/org/bdware/sc/compiler/YJSCompiler.java
index 42d5357..a7daebd 100644
--- a/src/main/java/org/bdware/sc/compiler/YJSCompiler.java
+++ b/src/main/java/org/bdware/sc/compiler/YJSCompiler.java
@@ -120,7 +120,7 @@ public class YJSCompiler {
 
         // 如果没有就不限制，根据gas进行插装
         if (0L != cm.getInsnLimit()) {
-            System.out.println("++++++++++++++++++++++true");
+            LOGGER.info("++++++++++++++++++++++true");
         }
         czb.setManifest(cm);
         Set<String> toParse = new HashSet<>();
@@ -162,6 +162,15 @@ public class YJSCompiler {
                         preSubConName + ".yjs");
         czb.put(preSubConName + ".yjs", preSubNode);
         LOGGER.info("--compile-- " + preSubConName);
+
+        String setGlobalName = cm.main.substring(0, cm.main.length() - 4) + "SetGlobal";
+        String setGlobalContract =
+                "contract " + setGlobalName + "{ function setGlobal (_global) { Global = _global; }}";
+        czb.put(setGlobalName + ".yjs",
+                compile(new ByteArrayInputStream(setGlobalContract.getBytes(StandardCharsets.UTF_8)),
+                        setGlobalName + ".yjs"));
+        LOGGER.info("--compile-- " + setGlobalName);
+
         return czb;
     }