add

bi/core.js

@@ -15684,6 +15684,7 @@ BI.FloatBoxController = BI.inherit(BI.Controller, {
         if (!this._check(name)) {
             return this;
         }
+        if (!this.floatContainer[name].isVisible()) {
             var container = this.floatContainer[name];
             container.element.css("zIndex", this.zindex++);
             this.modal && container.element.__hasZIndexMask__(this.zindexMap[name]) && container.element.__releaseZIndexMask__(this.zindexMap[name]);
@@ -15706,6 +15707,7 @@ BI.FloatBoxController = BI.inherit(BI.Controller, {
                 left: left + "px",
                 top: top + "px"
             });
+        }
         return this;
     },
 
@@ -15713,8 +15715,10 @@ BI.FloatBoxController = BI.inherit(BI.Controller, {
         if (!this._check(name)) {
             return this;
         }
+        if (this.floatContainer[name].isVisible()) {
             this.floatContainer[name].invisible();
             this.modal && this.floatContainer[name].element.__releaseZIndexMask__(this.zindexMap[name]);
+        }
         return this;
     },
 

dist/core.js

@@ -20757,6 +20757,7 @@ BI.FloatBoxController = BI.inherit(BI.Controller, {
         if (!this._check(name)) {
             return this;
         }
+        if (!this.floatContainer[name].isVisible()) {
             var container = this.floatContainer[name];
             container.element.css("zIndex", this.zindex++);
             this.modal && container.element.__hasZIndexMask__(this.zindexMap[name]) && container.element.__releaseZIndexMask__(this.zindexMap[name]);
@@ -20779,6 +20780,7 @@ BI.FloatBoxController = BI.inherit(BI.Controller, {
                 left: left + "px",
                 top: top + "px"
             });
+        }
         return this;
     },
 
@@ -20786,8 +20788,10 @@ BI.FloatBoxController = BI.inherit(BI.Controller, {
         if (!this._check(name)) {
             return this;
         }
+        if (this.floatContainer[name].isVisible()) {
             this.floatContainer[name].invisible();
             this.modal && this.floatContainer[name].element.__releaseZIndexMask__(this.zindexMap[name]);
+        }
         return this;
     },
 

src/core/controller/controller.floatbox.js

@@ -82,6 +82,7 @@ BI.FloatBoxController = BI.inherit(BI.Controller, {
         if (!this._check(name)) {
             return this;
         }
+        if (!this.floatContainer[name].isVisible()) {
             var container = this.floatContainer[name];
             container.element.css("zIndex", this.zindex++);
             this.modal && container.element.__hasZIndexMask__(this.zindexMap[name]) && container.element.__releaseZIndexMask__(this.zindexMap[name]);
@@ -104,6 +105,7 @@ BI.FloatBoxController = BI.inherit(BI.Controller, {
                 left: left + "px",
                 top: top + "px"
             });
+        }
         return this;
     },
 
@@ -111,8 +113,10 @@ BI.FloatBoxController = BI.inherit(BI.Controller, {
         if (!this._check(name)) {
             return this;
         }
+        if (this.floatContainer[name].isVisible()) {
             this.floatContainer[name].invisible();
             this.modal && this.floatContainer[name].element.__releaseZIndexMask__(this.zindexMap[name]);
+        }
         return this;
     },