diff --git a/CHANGELOG.md b/CHANGELOG.md
index dcc61bb..943eee9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+# 0.1.7
+- fix set variable fail issue;
+- fix hitCount breakpoint does work bugs;
+
 # 0.1.6
 - modify readme;  
 
diff --git a/src/backend/backend.ts b/src/backend/backend.ts
index ebb579a..5e88937 100644
--- a/src/backend/backend.ts
+++ b/src/backend/backend.ts
@@ -9,6 +9,7 @@ export interface Breakpoint {
 	raw?: string;
 	condition: string;
 	countCondition?: string;
+	logMessage?: string;
 }
 
 export interface OurInstructionBreakpoint extends DebugProtocol.InstructionBreakpoint {
diff --git a/src/backend/mi2/mi2.ts b/src/backend/mi2/mi2.ts
index 66eff15..9f98685 100644
--- a/src/backend/mi2/mi2.ts
+++ b/src/backend/mi2/mi2.ts
@@ -18,6 +18,11 @@ const nonOutput = /^(?:\d*|undefined)[\*\+\=]|[\~\@\&\^]/;
 const gdbMatch = /(?:\d*|undefined)\(gdb\)/;
 const numRegex = /\d+/;
 
+function isPositiveInteger(str: string): boolean {
+    const regex = /^[1-9]\d*$/;
+    return regex.test(str);
+}
+
 export interface ReadMemResults {
     startAddress: string;
     endAddress: string;
@@ -606,6 +611,13 @@ export class MI2 extends EventEmitter implements IBackend {
 		return this.sendCommand("break-condition " + bkptNum + " " + condition);
 	}
 
+	setLogPoint(bkptNum, command): Thenable<any> {
+		if (trace)
+			this.log("stderr", "setLogoPoint");
+		command = "printf \"log msg:%d\\n\", i" ;
+		return this.sendCommand("break-commands " + bkptNum + " " + command);
+	}
+
 	setEntryBreakPoint(entryPoint: string): Thenable<any> {
 		return this.sendCommand("break-insert -t -f " + entryPoint);
 	}
@@ -621,18 +633,31 @@ export class MI2 extends EventEmitter implements IBackend {
 				if (breakpoint.countCondition[0] == ">")
 					location += "-i " + numRegex.exec(breakpoint.countCondition.substr(1))[0] + " ";
 				else {
+					if(!isPositiveInteger(breakpoint.countCondition)) {
+						 this.log("stderr", "Unsupported break count expression: '" + breakpoint.countCondition + "'. Only supports 'X' for breaking once after X times or '>X' for ignoring the first X breaks");
+						 resolve([false, undefined]);
+						 return;
+					}
 					const match = numRegex.exec(breakpoint.countCondition)[0];
 					if (match.length != breakpoint.countCondition.length) {
 						this.log("stderr", "Unsupported break count expression: '" + breakpoint.countCondition + "'. Only supports 'X' for breaking once after X times or '>X' for ignoring the first X breaks");
 						location += "-t ";
-					} else if (parseInt(match) != 0)
-						location += "-t -i " + parseInt(match) + " ";
+					} else if (parseInt(match) != 0) {
+						location += "-t -i " + (parseInt(match) - 1) + " ";
+					}
 				}
 			}
 			if (breakpoint.raw)
 				location += '"' + escape(breakpoint.raw) + '"';
 			else
 				location += '"' + escape(breakpoint.file) + ":" + breakpoint.line + '"';
+			if(breakpoint.logMessage){
+				//do send logmsg command;
+				this.log("stderr", "logmsg:"+breakpoint.logMessage);
+				// -break-commands 1 "printf \"log msg:%d\\n\", i"  "continue"
+				//this.sendCommand(" -break-commands 1 "printf \"log msg:%d\\n\", i"  "continue" ")
+			}
+
 			this.sendCommand("break-insert -f " + location).then((result) => {
 				if (result.resultRecords.resultClass == "done") {
 					const bkptNum = parseInt(result.result("bkpt.number"));
@@ -651,7 +676,18 @@ export class MI2 extends EventEmitter implements IBackend {
 								resolve([false, undefined]);
 							}
 						}, reject);
-					} else {
+					} 
+					else if(breakpoint.logMessage) {
+						this.setLogPoint(bkptNum, breakpoint.logMessage).then((result) => {
+							if (result.resultRecords.resultClass == "done") {
+								this.breakpoints.set(newBrk, bkptNum);
+								resolve([true, newBrk]);
+							} else {
+								resolve([false, undefined]);
+							}
+						}, reject);
+					}
+					else {
 						this.breakpoints.set(newBrk, bkptNum);
 						resolve([true, newBrk]);
 					}
diff --git a/src/gdb.ts b/src/gdb.ts
index 40cc0c7..a1ecdfa 100644
--- a/src/gdb.ts
+++ b/src/gdb.ts
@@ -53,6 +53,8 @@ export class GDBDebugSession extends MI2DebugSession {
 		response.body.supportsFunctionBreakpoints = true;
 		response.body.supportsEvaluateForHovers = true;
 		response.body.supportsSetVariable = true;
+		response.body.supportsLogPoints = true;
+
 		if(process.arch=="arm64")
 		{
 			response.body.supportsStepBack = true;
diff --git a/src/mibase.ts b/src/mibase.ts
index bc66a9e..3449eaa 100644
--- a/src/mibase.ts
+++ b/src/mibase.ts
@@ -199,7 +199,7 @@ export class MI2DebugSession extends DebugSession {
 					this.sendErrorResponse(response, 20, "Could not modify string variable");
 					return;
 				}
-				let name;
+				let name=args.name;
 				let id;
 				if (args.variablesReference >= VAR_HANDLES_START) {
 					const pointerCombineChar = ".";
@@ -260,8 +260,9 @@ export class MI2DebugSession extends DebugSession {
 					}
 				}
 			}
+
 			const all = args.breakpoints.map(brk => {
-				return this.miDebugger.addBreakPoint({ file: path, line: brk.line, condition: brk.condition, countCondition: brk.hitCondition });
+				return this.miDebugger.addBreakPoint({ file: path, line: brk.line, condition: brk.condition, countCondition: brk.hitCondition, logMessage: brk.logMessage });
 			});
 			Promise.all(all).then(brkpoints => {
 				const finalBrks = [];