diff --git a/config.example.yml b/config.example.yml
index fde1416..df83eeb 100644
--- a/config.example.yml
+++ b/config.example.yml
@@ -17,8 +17,7 @@ settings:
   # If the content length exceeds the non-zero limit, the review will be skipped
   # Note that it's unicode width not LLM token length
   max-length: 0
-  # The temperature of the model, Note: It works only for DeepSeek V3 model
-  # The value should be between 0 and 2, with default value 1.0
+  # The temperature of the model, The value should be between 0 and 2, with default value 1.0
   temperature: 1.0
   # The user prompt name to use for DeepSeek API select from 'prompts.user'
   user-prompt: 'default'
diff --git a/nu/review.nu b/nu/review.nu
index 80f9a17..30fcea0 100644
--- a/nu/review.nu
+++ b/nu/review.nu
@@ -64,7 +64,7 @@ export def --env deepseek-review [
   --user-prompt(-u): string # Default to $DEFAULT_OPTIONS.USER_PROMPT,
   --include(-i): string,    # Comma separated file patterns to include in the code review
   --exclude(-x): string,    # Comma separated file patterns to exclude in the code review
-  --temperature(-T): float, # Temperature for the model, between `0` and `2`, default value `1.0`, Only for V3
+  --temperature(-T): float, # Temperature for the model, between `0` and `2`, default value `1.0`
 ]: nothing -> nothing {
 
   $env.config.table.mode = 'psql'
diff --git a/tests/resources/.env.test b/tests/resources/.env.test
new file mode 100644
index 000000000..39fb8dc
--- /dev/null
+++ b/tests/resources/.env.test
@@ -0,0 +1,13 @@
+# Description: Environment variables for Local Code Review Only
+# Usage: Copy this file to .env and replace the values with your own
+
+CHAT_MODEL="deepseek-chat"                # Official DeepSeek model
+# BASE_URL: Deepseek API base URL
+BASE_URL='https://api.deepseek.ai'        # DeepSeek Official
+# The maximum temperature for the model to generate the response. 1.0 by default.
+TEMPERATURE=1.0
+# MAX_LENGTH: The maximum length of the content for review, 0 means no limit.
+MAX_LENGTH=0
+
+# USER_PROMPT: User prompt message
+USER_PROMPT='Please review the following code changes'
diff --git a/tests/test-common.nu b/tests/test-common.nu
index f2d2279..9a1b22c 100644
--- a/tests/test-common.nu
+++ b/tests/test-common.nu
@@ -1,20 +1,57 @@
 
 use std/assert
 
-use ../nu/common.nu [compare-ver]
+use ../nu/common.nu [compare-ver, 'from env', is-installed, has-ref, git-check]
 
 #[test]
-def 'v1.0.0 is greater than v0.1.0' [] {
-  assert equal (compare-ver 1.0.0 0.1.0) 1
-  assert equal (compare-ver v1.0.0 v0.1.0) 1
+def 'compare-ver：v1.0.0 is greater than v0.999.0' [] {
+  assert equal (compare-ver 1.0.0 0.999.0) 1
+  assert equal (compare-ver v1.0.0 v0.999.0) 1
 }
 
 #[test]
-def 'v1.0.1 is equal to v1.0.1' [] {
+def 'compare-ver：v1.0.1 is equal to v1.0.1' [] {
   assert equal (compare-ver 1.0.1 1.0.1) 0
 }
 
 #[test]
-def 'v1.0.1 is lower than v1.1.0' [] {
+def 'compare-ver：v1.0.0 is equal to v1' [] {
+  assert equal (compare-ver v1.0.0 v1) 0
+}
+
+#[test]
+def 'compare-ver：v1.0.1 is greater than v1' [] {
+  assert equal (compare-ver v1.0.1 v1) 1
+}
+
+#[test]
+def 'compare-ver：v1.0.1 is lower than v1.1.0' [] {
   assert equal (compare-ver 1.0.1 1.1.0) (-1)
 }
+
+#[test]
+def 'from-env：.env load should work' [] {
+  open tests/resources/.env.test | from env | load-env
+  assert equal $env.CHAT_MODEL deepseek-chat
+  assert equal $env.BASE_URL https://api.deepseek.ai
+  assert equal $env.TEMPERATURE '1.0'
+  assert equal $env.MAX_LENGTH '0'
+  assert equal $env.USER_PROMPT 'Please review the following code changes'
+}
+
+#[test]
+def 'is-installed：binary install check should work' [] {
+  assert equal (is-installed git) true
+  assert equal (is-installed abc) false
+}
+
+#[test]
+def 'has-ref：git repo should has HEAD ref' [] {
+  assert equal (has-ref HEAD) true
+  assert equal (has-ref 0000) false
+}
+
+#[test]
+def 'git-check：current dir is a git repo' [] {
+  assert equal (git-check (pwd) --check-repo=1) true
+}