realize fitBounds add new property useDefaultZoom

@@ -421,8 +421,8 @@ export default class TbGoogleMap {
 
 
     /* eslint-disable no-undef */
-    fitBounds(bounds) {
-        if (this.dontFitMapBounds && this.defaultZoomLevel) {
+    fitBounds(bounds, useDefaultZoom) {
+        if ((this.dontFitMapBounds || useDefaultZoom) && this.defaultZoomLevel) {
             this.map.setZoom(this.defaultZoomLevel);
             this.map.setCenter(bounds.getCenter());
         } else {

@@ -732,7 +732,7 @@ export default class TbMapWidgetV2 {
 				}
 			});
 
-			tbMap.map.fitBounds(bounds);
+			tbMap.map.fitBounds(bounds, tbMap.isEdit && tbMap.markers.length === 1);
 		}
 
 		function mapPolygonArray (rawArray) {
@@ -781,7 +781,7 @@ export default class TbMapWidgetV2 {
 					return !(!ds[tbMap.locationSettings.latKeyName] && !ds[tbMap.locationSettings.lngKeyName]);
 				});
 				tbMap.initBounds = !dataValid;
-				tbMap.map.fitBounds(bounds);
+				tbMap.map.fitBounds(bounds, tbMap.isEdit && tbMap.markers.length === 1);
 			}
 		}
 
@@ -845,7 +845,7 @@ export default class TbMapWidgetV2 {
                         })
                     }
                 }
-				map.fitBounds(bounds);
+				map.fitBounds(bounds, map.isEdit && map.markers.length === 1);
 			}
 		}
 	}

@@ -273,9 +273,9 @@ export default class TbOpenStreetMap {
 		polygon.redraw();
 	}
 
-	fitBounds(bounds) {
+	fitBounds(bounds, useDefaultZoom) {
 		if (bounds.isValid()) {
-			if (this.dontFitMapBounds && this.defaultZoomLevel) {
+			if ((this.dontFitMapBounds || useDefaultZoom) && this.defaultZoomLevel) {
 				this.map.setZoom(this.defaultZoomLevel, {animate: false});
 				this.map.panTo(bounds.getCenter(), {animate: false});
 			} else {

@@ -58,7 +58,7 @@ export default class TbTencentMap {
 
 
 			if (initCallback) {
-				initCallback();
+				setTimeout(initCallback, 0);// eslint-disable-line
 			}
 		}
 
@@ -427,8 +427,8 @@ export default class TbTencentMap {
 	}
 
 	/* eslint-disable no-undef ,no-unused-vars*/
-	fitBounds(bounds) {
-		if (this.dontFitMapBounds && this.defaultZoomLevel) {
+	fitBounds(bounds, useDefaultZoom) {
+		if ((this.dontFitMapBounds || useDefaultZoom) && this.defaultZoomLevel) {
 			this.map.setZoom(this.defaultZoomLevel);
 			this.map.setCenter(bounds.getCenter());
 		} else {