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				@@ -141,12 +141,12 @@ namespace OASystem.API.Controllers 
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				                                     string name = words.Substring(1); 
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				                                     client.LastName = lastName; 
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				                                     client.FirstName = name; 
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				-                                    string lastNamePinYin = lastName.GetTotalPingYin()[0].ToUpper(); 
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				+                                    string lastNamePinYin = lastName.GetTotalPingYin().Count > 0 ? lastName.GetTotalPingYin()[0].ToUpper():""; 
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				                                     string firstNamePinYin = ""; 
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				                                     for (int n = 0; n < name.Length; n++) 
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				                                     { 
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				-                                        firstNamePinYin += name[n].ToString().GetTotalPingYin()[0].ToUpper() + " "; 
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				+                                        firstNamePinYin += name[n].ToString().GetTotalPingYin().Count > 0 ? name[n].ToString().GetTotalPingYin()[0].ToUpper() + " " : ""; 
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				                                     } 
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				                                     client.Pinyin = lastNamePinYin + "/" + firstNamePinYin; 
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