BI-49840 fix: title显示两次的问题

src/base/single/single.js

@@ -37,6 +37,11 @@ BI.Single = BI.inherit(BI.Widget, {
         }
     },
 
+    _getShowTitle: function() {
+        var type = this.getTipType() || (this.isEnabled() ? "success" : "warning");
+        return type === "success" ? this.getTitle() : (this.getWarningTitle() || this.getTitle());
+    },
+
     _hideTooltip: function () {
         var self = this;
         var tooltip = BI.Tooltips.get(this.getName());
@@ -89,6 +94,8 @@ BI.Single = BI.inherit(BI.Widget, {
                         }
                     }, 500);
                 }
+                // 如果当前控件设置了title, 那么最终显示的是当前title，而不应该是祖先的title
+                BI.isKey(self._getShowTitle()) && e.stopPropagation();
             });
             this.element.on("mousemove.title" + this.getName(), function (e) {
                 self._e = e;
@@ -114,7 +121,8 @@ BI.Single = BI.inherit(BI.Widget, {
                         self._showToolTip(self._e || e, opt);
                     }
                 }, 500);
-
+                // 如果当前控件设置了title, 那么最终显示的是当前title，而不应该是祖先的title
+                BI.isKey(self._getShowTitle()) && e.stopPropagation();
 
             });
             this.element.on("mouseleave.title" + this.getName(), function (e) {