修改Bug

sdk/instance.go

@@ -101,5 +101,10 @@ func DestroyInstance() error {
 		return nil
 	}
 
-	return db_operations.DestroyOperation(sdkInstance.dbOperations.(*db_operations.Operations))
+	err := db_operations.DestroyOperation(sdkInstance.dbOperations.(*db_operations.Operations))
+	if err != nil {
+		return err
+	}
+
+	sdkInstance = nil
 }