tweak

src/model/Global.js

@@ -748,7 +748,7 @@ define(function (require) {
         if (!ecModel._seriesIndices) {
             // FIXME
             // 验证和提示怎么写
-            throw new Error('Series is not initialized. Please depends sereis.');
+            throw new Error('Series has not been initialized yet.');
         }
     }
 

src/scale/Time.js

@@ -93,8 +93,8 @@ define(function (require) {
                 var yearSpan = span / interval;
 
                 // From "Nice Numbers for Graph Labels" of Graphic Gems
-                var niceYearSpan = numberUtil.nice(yearSpan, false);
-                var yearStep = numberUtil.nice(niceYearSpan / approxTickNum, true);
+                // var niceYearSpan = numberUtil.nice(yearSpan, false);
+                var yearStep = numberUtil.nice(yearSpan / approxTickNum, true);
 
                 interval *= yearStep;
             }