diff --git a/cap/zx297520v3/src/lynq/lib/liblynq-at-factory/liblynq-at-factory.cpp b/cap/zx297520v3/src/lynq/lib/liblynq-at-factory/liblynq-at-factory.cpp
index 612d968..cc26db6 100755
--- a/cap/zx297520v3/src/lynq/lib/liblynq-at-factory/liblynq-at-factory.cpp
+++ b/cap/zx297520v3/src/lynq/lib/liblynq-at-factory/liblynq-at-factory.cpp
@@ -229,7 +229,7 @@
     int greep = input[0] - '0';
     ALOGD(res,"the greep:%d\n",greep);//The first digit represents grouping
 
-    for (int i = 1; input[i] != '\0'; i++)
+    for (int i = 1; i < strlen(input); i++)
     {
         int num = 0;
         for (; input[i] != ',' && input[i] != '\0'; i++)
@@ -422,6 +422,7 @@
     if((valid_length = lynq_gpio_analysis(input, lynq_gpio_arr, lynq_gpio_total_arr, total_length)) < 0)
     {
         lynq_response_error(100);
+        all_gpio_uninit(total_length, lynq_gpio_total_arr);
         return;
     }
     ALOGE("The Valid count:%d\n",valid_length);
@@ -451,6 +452,7 @@
                 {
                     ALOGE("gpio init or uninit fail\n");
                     lynq_response_error(100);
+                    all_gpio_uninit(total_length, lynq_gpio_total_arr);
                     return;
                 }
                 ALOGD("finsh configure function\n");