|  | @ -93,6 +93,12 @@ public class JwSmjkService {
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				|  |  |             } catch (Exception ex) {
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				|  |  |                 ex.printStackTrace();
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				|  |  |             }
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				|  |  | 
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				|  |  |             if(re.equals("[{}]"))
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				|  |  |             {
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				|  |  |                 re = "";
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				|  |  |             }
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				|  |  | 
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				|  |  |             return re;
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				|  |  |         }
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				|  |  |     }
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				|  | @ -228,6 +234,11 @@ public class JwSmjkService {
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				|  |  |                     throw new Exception("null response.");
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				|  |  |                 }
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				|  |  | 
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				|  |  |                 if(re.equals("[{}]"))
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				|  |  |                 {
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				|  |  |                     re = "";
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				|  |  |                 }
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				|  |  | 
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				|  |  |                 return re;
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				|  |  |             }
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				|  |  |             catch (Exception ex)
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				|  | @ -271,6 +282,10 @@ public class JwSmjkService {
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				|  |  |                 throw new Exception("null response.");
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				|  |  |             }
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				|  |  | 
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				|  |  |             if(result.equals("[{}]"))
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				|  |  |             {
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				|  |  |                 result = "";
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				|  |  |             }
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				|  |  |             return result;
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				|  |  | 
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				|  |  |         }
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