add test case

diff --git a/rust/apps/tron/src/structs.rs b/rust/apps/tron/src/structs.rs
index be6775a..34c032c 100644
--- a/rust/apps/tron/src/structs.rs
+++ b/rust/apps/tron/src/structs.rs
@@ -24,3 +24,41 @@ impl PersonalMessage {
         })
     }
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use alloc::string::ToString;
+
+    #[test]
+    fn test_personal_message_without_from() {
+        let msg = PersonalMessage::from(
+            "0x48656c6c6f".to_string(),
+            "Hello".to_string(),
+            None,
+        )
+        .unwrap();
+
+        assert_eq!(msg.raw_message, "0x48656c6c6f");
+        assert_eq!(msg.utf8_message, "Hello");
+        assert_eq!(msg.from, None);
+    }
+
+    #[test]
+    fn test_personal_message_with_from() {
+        let pubkey_hex = "0479be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798483ada7726a3c4655da4fbfc0e1108a8fd17b448a68554199c47d08ffb10d4b8";
+        let pubkey_bytes = hex::decode(pubkey_hex).unwrap();
+        let pubkey = PublicKey::from_slice(&pubkey_bytes).unwrap();
+
+        let msg = PersonalMessage::from(
+            "0x48656c6c6f".to_string(),
+            "Hello".to_string(),
+            Some(pubkey),
+        )
+        .unwrap();
+
+        assert_eq!(msg.raw_message, "0x48656c6c6f");
+        assert_eq!(msg.utf8_message, "Hello");
+        assert!(msg.from.is_some());
+    }
+}
diff --git a/test/test_cmd.c b/test/test_cmd.c
index a26ee9f..d1b3c4b 100644
--- a/test/test_cmd.c
+++ b/test/test_cmd.c
@@ -132,8 +132,6 @@ static void RustTestParseBTCKeystone(int argc, char *argv[]);
 static void RustTestCheckFailedBTCKeystone(int argc, char *argv[]);
 static void RustTestCheckSucceedBCHKeystone(int argc, char *argv[]);
 static void RustTestParseLTCKeystone(int argc, char *argv[]);
-static void RustTestParseTronStandard(int argc, char *argv[]);
-static void RustTestSignTronStandard(int argc, char *argv[]);
 static void RustTestParseTronKeystone(int argc, char *argv[]);
 static void RustTestCheckTronKeystoneSucceed(int argc, char *argv[]);
 static void RustTestCheckTronKeystoneFailed(int argc, char *argv[]);
@@ -178,8 +176,6 @@ static void RustTestCheckFailedBTCKeystone(int argc, char *argv[]);
 static void RustTestCheckSucceedBCHKeystone(int argc, char *argv[]);
 static void RustTestParseLTCKeystone(int argc, char *argv[]);
 static void RustTestParseTronKeystone(int argc, char *argv[]);
-static void RustTestParseTronStandard(int argc, char *argv[]);
-static void RustTestSignTronStandard(int argc, char *argv[]);
 static void RustTestCheckTronKeystoneSucceed(int argc, char *argv[]);
 static void RustTestCheckTronKeystoneFailed(int argc, char *argv[]);
 static void RustTestSignTronKeystone(int argc, char *argv[]);
@@ -299,8 +295,6 @@ const static UartTestCmdItem_t g_uartTestCmdTable[] = {
     {"rust test check bch succeed", RustTestCheckSucceedBCHKeystone},
     {"rust test parse ltc", RustTestParseLTCKeystone},
     {"rust test parse tron keystone", RustTestParseTronKeystone},
-    {"rust test parse tron standard request", RustTestParseTronStandard},
-    {"rust test sign tron standard request", RustTestSignTronStandard},
     {"rust test check tron keystone succeed:", RustTestCheckTronKeystoneSucceed},
     {"rust test check tron keystone failed", RustTestCheckTronKeystoneFailed},
     {"rust test sign tron keystone:", RustTestSignTronKeystone},
@@ -1321,54 +1315,6 @@ static void RustTestParseLTCKeystone(int argc, char *argv[])
     printf("FreeHeapSize = %d\n", xPortGetFreeHeapSize());
 }
 
-void RustTestParseTronStandard(int argc, char *argv[])
-{
-    printf("--- Test Tron Standard Parse Start ---\r\n");
-    
-    URParseResult *ur = test_get_tron_standard_request_bytes(); 
-    void *ur_ptr = ur->data;
-
-    TransactionParseResult_DisplayTron *result = tron_parse_sign_request(ur_ptr);
-
-    printf("Error Code: %d\r\n", result->error_code);
-    if (result->error_code == 0) {
-        printf("From: %s\r\n", result->data->overview->from);
-        printf("To: %s\r\n", result->data->overview->to);
-        printf("Value: %s\r\n", result->data->overview->value);
-        printf("Method: %s\r\n", result->data->overview->method);
-    } else {
-        printf("Error Message: %s\r\n", result->error_message);
-    }
-
-    free_ur_parse_result(ur);
-    free_TransactionParseResult_DisplayTron(result);
-    printf("--- Test Tron Standard Parse End ---\r\n");
-}
-
-void RustTestSignTronStandard(int argc, char *argv[])
-{
-    printf("--- Test Tron Standard Sign Start ---\r\n");
-    int32_t index = 0;
-    
-    URParseResult *ur = test_get_tron_standard_request_bytes();
-    void *ur_ptr = ur->data;
-
-    uint8_t seed[64];
-    GetAccountSeed(index, seed, "123456");
-
-    UREncodeResult *result = tron_sign_request(ur_ptr, seed, sizeof(seed));
-
-    if (result->error_code == 0) {
-        printf("Signature UR: %s\r\n", result->data);
-    } else {
-        printf("Sign Failed: %s\r\n", result->error_message);
-    }
-
-    free_ur_parse_result(ur);
-    free_ur_encode_result(result);
-    printf("--- Test Tron Standard Sign End ---\r\n");
-}
-
 static void RustTestParseTronKeystone(int argc, char *argv[])
 {
     printf("RustTestParseTronKeystone 11\r\n");