diff --git a/src/backend/gdb_expansion.ts b/src/backend/gdb_expansion.ts
index bdd22dc..f383a19 100644
--- a/src/backend/gdb_expansion.ts
+++ b/src/backend/gdb_expansion.ts
@@ -9,7 +9,7 @@ const referenceRegexQt = /^(0x[0-9a-fA-F]+)([\<a-zA-Z0-9\,\ \:\*\)\_\(]*)([\>])/
 const cppReferenceRegex = /^@0x[0-9a-fA-F]+/;
 const nullpointerRegex = /^0x0+\b/;
 const charRegex = /^(\d+) ['"]/;
-const numberRegex = /^\d+(\.\d+)?(e-\d+)?/;
+const numberRegex = /^(-)?\d+(\.\d+)?(e-\d+)?/;
 const pointerCombineChar = ".";
 const nullTupleRegex = /^(0x[0-9a-fA-F]+)}/;
 
@@ -96,10 +96,15 @@ function writeLogToFile(log, filePath) {
 	}
   }
 
-export function expandValue(variableCreate: Function, value: string, root: string = "", extra: any = undefined): any {
-	addToLogQueue("xh++++++++++++++:expandValue=====xxxx1", filePath);
-	// addToLogQueue(`xh++++++++++++++:expandValue=====xxxx2 ${value}: ${JSON.stringify(extra)}`, filePath);
 
+export function expandValue(variableCreate: Function, value: string, root: string = "", extra: any = undefined): any {
+	addToLogQueue("debug.output::expandValue=====xxxx1", filePath);
+	addToLogQueue(`debug.output::expandValue=====xxxx2 ${value}: ${JSON.stringify(extra)}`, filePath);
+
+	let jsonVar = false;
+	if(value.indexOf("=")!=-1){
+		jsonVar = true;
+	}
 	const parseCString = () => {
 		value = value.trim();
 		if (value[0] != '"' && value[0] != '\'')
@@ -160,6 +165,9 @@ export function expandValue(variableCreate: Function, value: string, root: strin
 
 	//解析字典，json
 	const parseTupleOrList = () => {
+
+		addToLogQueue(`debug.output::parseTupleOrList=====xxxx10 ${value}`, filePath);
+
 		value = value.trim();
 		if (value[0] != '{')
 			return undefined;
@@ -184,6 +192,7 @@ export function expandValue(variableCreate: Function, value: string, root: strin
 		const newValPos1 = value.indexOf("{");
 		const newValPos2 = value.indexOf(",");
 		let newValPos = newValPos1;
+		addToLogQueue(`debug.output::parseTupleOrList=====xxxx10 ${value}:${eqPos}: ${newValPos}: ${newValPos2}`, filePath);
 
 		if (newValPos2 != -1 && newValPos2 < newValPos1){
 			newValPos = newValPos2;
@@ -237,6 +246,7 @@ export function expandValue(variableCreate: Function, value: string, root: strin
 	};
 
 	const parsePrimitive = () => {
+		addToLogQueue(`debug.output::parsePrimitive=====xxxx20 ${value}`, filePath);
 
 		let primitive: any;
 		let match;
@@ -286,18 +296,29 @@ export function expandValue(variableCreate: Function, value: string, root: strin
 
 	parseValue = () => {
 		value = value.trim();
+		addToLogQueue(`debug.output::parseValue=====xxxx3 ${value}`, filePath);
+
 		if (value[0] == '"'){			//解析字符串
 			return parseCString();
 		}
 		else if (value[0] == '{'){		//解析字典
 			return parseTupleOrList();
 		}
+		else if(value.startsWith("std::vector of length")){
+			addToLogQueue(`debug.output::parseValue=====xxxx4 ${value}`, filePath);
+			const eqPos = value.indexOf("=");
+			value = value.substr(eqPos).trim();
+			addToLogQueue(`debug.output::parseValue=====xxxx5 ${value}`, filePath);
+			return parseValue();
+		}
 		else{
 			return parsePrimitive();
 		}
 	};
 
 	parseResult = (pushToStack: boolean = false) => {
+		addToLogQueue(`debug.output::parseResult=====xxxx30 ${value}`, filePath);
+
 		value = value.trim();
 		const variableMatch = resultRegex.exec(value);
 		if (!variableMatch)
@@ -325,6 +346,7 @@ export function expandValue(variableCreate: Function, value: string, root: strin
 	createValue = (name, val) => {
 		let ref = 0;
 		let evaluateName;
+		addToLogQueue(`debug.output::parseResult=====xxxx40 ${value}`, filePath);
 
 		if (typeof val == "object") {
 			ref = variableCreate(val);
@@ -358,7 +380,7 @@ export function expandValue(variableCreate: Function, value: string, root: strin
 			var tmp = value
 			tmp =  tmp.substr(1).trim();
 			tmp = tmp.trim();
-			if(tmp[0] == '{'){
+			if(tmp[0] == '{' && jsonVar == true){
 				tmp = ",anonymous union = " + tmp;
 				value = tmp;
 			}