diff --git a/app/admin/service/line_symbol_group.go b/app/admin/service/line_symbol_group.go
index 33ac409..6b40cd0 100644
--- a/app/admin/service/line_symbol_group.go
+++ b/app/admin/service/line_symbol_group.go
@@ -104,6 +104,11 @@ func availableSymbols(symbols, symbolType string, e *LineSymbolGroup) []string {
 			continue
 		}
 
+		//重复跳过
+		if utility.ContainsStr(newSymbols, symbol) {
+			continue
+		}
+
 		newSymbols = append(newSymbols, symbol)
 	}
 	return newSymbols