diff --git a/include/pcerrc.h b/include/pcerrc.h
index bebe2353f60b8634c8c3b5dcf3f0d8f529014724..71efd6e7fc05e9ac3f47fd8d323b6566dff6bf51 100644
--- a/include/pcerrc.h
+++ b/include/pcerrc.h
@@ -129,6 +129,7 @@ extern "C" {
 #define LIBPERF_ERR_BUFFER_CORRUPTED 1082
 #define LIBPERF_ERR_NOT_SUPPORT_HWMETRIC 1083
 #define LIBPERF_ERR_INVALID_HWMETRIC_ATTR 1084
+#define LIBPERF_ERR_INVALID_MIN_LATENCY 1085
 
 #define UNKNOWN_ERROR 9999
 
diff --git a/pmu/pmu.cpp b/pmu/pmu.cpp
index 259a3b99216eaf1c0b188c4f172df51db90020a2..012822b0bf10cd6a17bf12ea646a542519983a97 100644
--- a/pmu/pmu.cpp
+++ b/pmu/pmu.cpp
@@ -255,6 +255,10 @@ static int CheckCollectTypeConfig(enum PmuTaskType collectType, struct PmuAttr *
         New(LIBPERF_ERR_INVALID_CGROUP_LIST, "SPE mode only support one cgroup");
         return LIBPERF_ERR_INVALID_CGROUP_LIST;
     }
+    if (collectType == SPE_SAMPLING && (attr->minLatency > 4095 || attr->minLatency < 0)) {
+        New(LIBPERF_ERR_INVALID_MIN_LATENCY, "Invalid min_latency: value must be between 0 and 4095");
+        return LIBPERF_ERR_INVALID_MIN_LATENCY;
+    }
     return SUCCESS;
 }
 
diff --git a/pmu/spe.cpp b/pmu/spe.cpp
index ca4f9ed46d25cacc3e7caa77b46e49a5eebc5020..6cbc35925f8ba694c8fb13cf9f912ff3c52f830b 100644
--- a/pmu/spe.cpp
+++ b/pmu/spe.cpp
@@ -58,7 +58,6 @@ static int OpenSpeEvent(PmuEvt *pmuAttr, int cpu)
     attr.config2 = pmuAttr->config2;       /* min_latency */
     attr.exclude_guest = 1;
     attr.disabled = 1;
-    attr.freq = pmuAttr->useFreq;
     attr.sample_period = pmuAttr->period;
     attr.sample_type = PERF_SAMPLE_TID;
     attr.sample_id_all = 1;
diff --git a/python/modules/kperf/perror.py b/python/modules/kperf/perror.py
index ccdaba9aae1c22a1a621a2b4bdbaa31a292bb166..8c29f5a643f01de62b8167b9788b61d062b58a86 100644
--- a/python/modules/kperf/perror.py
+++ b/python/modules/kperf/perror.py
@@ -128,6 +128,7 @@ class Error:
     LIBPERF_ERR_BUFFER_CORRUPTED = 1082
     LIBPERF_ERR_NOT_SUPPORT_HWMETRIC = 1083
     LIBPERF_ERR_INVALID_HWMETRIC_ATTR = 1084
+    LIBPERF_ERR_INVALID_MIN_LATENCY = 1085
 
     UNKNOWN_ERROR = 9999
 
diff --git a/tools/cache_collect/collect_args.cpp b/tools/cache_collect/collect_args.cpp
index 37ac8d1bbd8ae05a67e9a38ee7115b20c811aa58..eebd8c046f14827276ddf8dcb250980cb57adaf2 100644
--- a/tools/cache_collect/collect_args.cpp
+++ b/tools/cache_collect/collect_args.cpp
@@ -159,7 +159,7 @@ bool CollectArgs::ParsePidList()
             pid = std::stoi(pidStr);
         } catch (const std::invalid_argument& e) {
             std::cerr << "Error: failed to parse pid from input parameter: '" << pidStr
-                    << "' .Reason: " << e.what() << ". Expected an integer.\n";
+                    << "'. Reason: " << e.what() << ". Expected an integer.\n";
             return false;
         }
         pids.push_back(pid);
@@ -169,7 +169,7 @@ bool CollectArgs::ParsePidList()
 
 void CollectArgs::printUsage()
 {
-    std::cerr << "Usage: cache_collect --pid/-p <pid> [options]\n\n";
+    std::cerr << "Usage: ./cache_collect --pid/-p <pid> [options]\n\n";
 
     std::cerr << "Required:\n";
     std::cerr << "  --pid/-p <pid>           : Target process ID(s). Multiple IDs can be separated by ','\n";
@@ -182,6 +182,6 @@ void CollectArgs::printUsage()
     std::cerr << "  --bolt/-b <option>       : Generate BOLT format output file. Options: 'cycles', 'l2i_cache', 'l2i_cache_refill', or 'all'. Only for default mode\n";
     std::cerr << "  --summary/-s <seconds>   : Set collection time of summary ratio and IPC collection. Unit: s, default: 5\n\n";
     std::cerr << "Examples:\n";
-    std::cerr << "  cache_collect -p 125785 -d 10 -l inst -m dcache -i 2000\n";
-    std::cerr << "  cache_collect -p 125785,143789 -m dcache -f 4000 -b cycles\n";
+    std::cerr << "  ./cache_collect -p 125785 -d 10 -l inst -m dcache -i 2000\n";
+    std::cerr << "  ./cache_collect -p 125785,143789 -m dcache -f 4000 -b cycles\n";
 }
\ No newline at end of file
diff --git a/util/pcerr.cpp b/util/pcerr.cpp
index 9cf3f649aaba20f6da91135a6f65099783dca739..24f69d377f83269cbffc9339a77b70d1baf0ab9c 100644
--- a/util/pcerr.cpp
+++ b/util/pcerr.cpp
@@ -67,7 +67,8 @@ namespace pcerr {
             {LIBPERF_ERR_CHECK_USER_ACCESS, "Check user access failed!"},
             {LIBPERF_ERR_INVALID_BPF_PARAM, "check bpf mode failed"},
             {LIBPERF_ERR_BPF_ACT_FAILED, "failed to execute bpf obj action"},
-            {LIBPERF_ERR_NULL_POINTER, "the input pointer cannot be null"}
+            {LIBPERF_ERR_NULL_POINTER, "the input pointer cannot be null"},
+            {LIBPERF_ERR_INVALID_MIN_LATENCY, "invalid min latency"}
     };
     static std::unordered_map<int, std::string> warnMsgs = {
             {LIBPERF_WARN_CTXID_LOST, "Some SPE context packets are not found in the traces."},