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				@@ -2962,7 +2962,7 @@ $(document).ready(() => { 
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				                 const curIndex = parseInt($('#im-locate-info')[0].innerText.split('/')[0]); 
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				                 const select = SpreadJsObj.getSelectObject(self.spread.getActiveSheet()); 
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				                 if (select && select.source) { 
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				-                    const targetIndex = math.max(curIndex-1, 1); 
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				+                    const targetIndex = Math.max(curIndex-1, 1); 
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				                     SpreadJsObj.locateTreeNode(slSpread.getActiveSheet(), select.source[targetIndex-1].id, true); 
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				                     stagePosSpreadObj.loadCurPosData(); 
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				                     $('#im-locate-info')[0].innerText = targetIndex + '/' + select.source.length; 
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				@@ -2972,7 +2972,7 @@ $(document).ready(() => { 
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				                 const curIndex = parseInt($('#im-locate-info')[0].innerText.split('/')[0]); 
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				                 const select = SpreadJsObj.getSelectObject(self.spread.getActiveSheet()); 
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				                 if (select && select.source) { 
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				-                    const targetIndex = math.min(curIndex+1, select.source.length); 
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				+                    const targetIndex = Math.min(curIndex+1, select.source.length); 
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				                     SpreadJsObj.locateTreeNode(slSpread.getActiveSheet(), select.source[targetIndex-1].id, true); 
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				                     stagePosSpreadObj.loadCurPosData(); 
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				                     $('#im-locate-info')[0].innerText = targetIndex + '/' + select.source.length; 
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