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				@@ -157,7 +157,7 @@ let zTreeOprObj = { 
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				                 } 
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				             } 
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				         }; 
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				-        const _changeSourceType = function(items, newType = 1) {4 
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				+        const _changeSourceType = function(items, newType = 1) { 
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				             if (items && items.length > 0) { 
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				                 for (let i = items.length - 1; i >= 0; i--) { 
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				                     items[i].source_type = newType; 
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