diff --git a/ImageSourceItem.java b/ImageSourceItem.java
new file mode 100644
index 0000000..aead65f
--- /dev/null
+++ b/ImageSourceItem.java
@@ -0,0 +1,29 @@
+package com.example.myapplication.model;
+
+public class ImageSourceItem {
+    private String key;
+    private String value;
+
+    public ImageSourceItem(String key, String value) {
+        this.key = key;
+        this.value = value;
+    }
+
+    // 用于JSON解析的无参构造
+    public ImageSourceItem() {}
+    @Override
+    public String toString() {
+        return "ImageSourceItem{" +
+                "key='" + key + '\'' +
+                ", 类型='" + value + '\'' +
+                '}';
+    }
+    // Getters and Setters
+    public String getKey() {
+        return key;
+    }
+
+    public String getValue() {
+        return value;
+    }
+}
\ No newline at end of file
diff --git a/LoginEntity.java b/LoginEntity.java
new file mode 100644
index 0000000..186b925
--- /dev/null
+++ b/LoginEntity.java
@@ -0,0 +1,125 @@
+package com.example.myapplication.model;
+
+public class LoginEntity {
+    private boolean isLogin;
+    private String loginDeviceType;
+    private Object loginId;  // Using Object as specified
+    private String loginType;
+    private long sessionTimeout;  // Changed to long for int64
+    private String tag;
+    private long tokenActiveTimeout;  // Changed to long for int64
+    private String tokenName;
+    private long tokenSessionTimeout;  // Changed to long for int64
+    private long tokenTimeout;  // Changed to long for int64
+    private String tokenValue;
+
+    // Default constructor
+    public LoginEntity() {
+    }
+
+    // Getters and Setters
+    public boolean isLogin() {
+        return isLogin;
+    }
+
+    public void setLogin(boolean login) {
+        isLogin = login;
+    }
+
+    public String getLoginDeviceType() {
+        return loginDeviceType;
+    }
+
+    public void setLoginDeviceType(String loginDeviceType) {
+        this.loginDeviceType = loginDeviceType;
+    }
+
+    public Object getLoginId() {
+        return loginId;
+    }
+
+    public void setLoginId(Object loginId) {
+        this.loginId = loginId;
+    }
+
+    public String getLoginType() {
+        return loginType;
+    }
+
+    public void setLoginType(String loginType) {
+        this.loginType = loginType;
+    }
+
+    public long getSessionTimeout() {
+        return sessionTimeout;
+    }
+
+    public void setSessionTimeout(long sessionTimeout) {
+        this.sessionTimeout = sessionTimeout;
+    }
+
+    public String getTag() {
+        return tag;
+    }
+
+    public void setTag(String tag) {
+        this.tag = tag;
+    }
+
+    public long getTokenActiveTimeout() {
+        return tokenActiveTimeout;
+    }
+
+    public void setTokenActiveTimeout(long tokenActiveTimeout) {
+        this.tokenActiveTimeout = tokenActiveTimeout;
+    }
+
+    public String getTokenName() {
+        return tokenName;
+    }
+
+    public void setTokenName(String tokenName) {
+        this.tokenName = tokenName;
+    }
+
+    public long getTokenSessionTimeout() {
+        return tokenSessionTimeout;
+    }
+
+    public void setTokenSessionTimeout(long tokenSessionTimeout) {
+        this.tokenSessionTimeout = tokenSessionTimeout;
+    }
+
+    public long getTokenTimeout() {
+        return tokenTimeout;
+    }
+
+    public void setTokenTimeout(long tokenTimeout) {
+        this.tokenTimeout = tokenTimeout;
+    }
+
+    public String getTokenValue() {
+        return tokenValue;
+    }
+
+    public void setTokenValue(String tokenValue) {
+        this.tokenValue = tokenValue;
+    }
+
+    @Override
+    public String toString() {
+        return "Login{" +
+                "isLogin=" + isLogin +
+                ", loginDeviceType='" + loginDeviceType + '\'' +
+                ", loginId=" + loginId +
+                ", loginType='" + loginType + '\'' +
+                ", sessionTimeout=" + sessionTimeout +
+                ", tag='" + tag + '\'' +
+                ", tokenActiveTimeout=" + tokenActiveTimeout +
+                ", tokenName='" + tokenName + '\'' +
+                ", tokenSessionTimeout=" + tokenSessionTimeout +
+                ", tokenTimeout=" + tokenTimeout +
+                ", tokenValue='" + tokenValue + '\'' +
+                '}';
+    }
+}
diff --git a/LoginRequest.java b/LoginRequest.java
new file mode 100644
index 0000000..dcc8d5b
--- /dev/null
+++ b/LoginRequest.java
@@ -0,0 +1,17 @@
+package com.example.myapplication.model;
+
+
+import com.google.gson.annotations.SerializedName;
+
+public  class LoginRequest {
+        @SerializedName("account")
+        private String account;
+    @SerializedName("password")
+        private String password;
+
+        public LoginRequest(String account, String password) {
+            this.account = account;
+            this.password = password;
+        }
+    }
+
diff --git a/PageResult.java b/PageResult.java
new file mode 100644
index 0000000..ced82ae
--- /dev/null
+++ b/PageResult.java
@@ -0,0 +1,54 @@
+package com.example.myapplication.model;
+
+import java.util.List;
+
+public class PageResult<T> {
+    private int code;
+    private String msg;
+    private List<T> rows;
+
+    public int getCode() {
+        return code;
+    }
+
+    public void setCode(int code) {
+        this.code = code;
+    }
+
+    public String getMsg() {
+        return msg;
+    }
+
+    public PageResult() {
+    }
+
+    public void setMsg(String msg) {
+        this.msg = msg;
+    }
+
+    public List<T> getRows() {
+        return rows;
+    }
+
+    public void setRows(List<T> rows) {
+        this.rows = rows;
+    }
+
+    public long getTotal() {
+        return total;
+    }
+
+    public void setTotal(long total) {
+        this.total = total;
+    }
+
+    public PageResult(int code, String msg, List<T> rows, long total) {
+        this.code = code;
+        this.msg = msg;
+        this.rows = rows;
+        this.total = total;
+    }
+
+    private long total;
+
+}
diff --git a/PartResponse.java b/PartResponse.java
new file mode 100644
index 0000000..2d5a428
--- /dev/null
+++ b/PartResponse.java
@@ -0,0 +1,85 @@
+package com.example.myapplication.model;
+
+public class PartResponse {
+    private String partCode;
+    private String partId;
+    private String partName;
+    private String partType;
+    private String partTypeLabel;
+    private String projectId;
+    private String projectName;
+    private String turbineId;
+    private String turbineName;
+
+    public String getPartCode() {
+        return partCode;
+    }
+
+    public void setPartCode(String partCode) {
+        this.partCode = partCode;
+    }
+
+    public String getPartId() {
+        return partId;
+    }
+
+    public void setPartId(String partId) {
+        this.partId = partId;
+    }
+
+    public String getPartTypeLabel() {
+        return partTypeLabel;
+    }
+
+    public void setPartTypeLabel(String partTypeLabel) {
+        this.partTypeLabel = partTypeLabel;
+    }
+
+    public String getPartType() {
+        return partType;
+    }
+
+    public void setPartType(String partType) {
+        this.partType = partType;
+    }
+
+    public void setPartName(String partName) {
+        this.partName = partName;
+    }
+
+    public String getProjectId() {
+        return projectId;
+    }
+
+    public void setProjectId(String projectId) {
+        this.projectId = projectId;
+    }
+
+    public String getProjectName() {
+        return projectName;
+    }
+
+    public void setProjectName(String projectName) {
+        this.projectName = projectName;
+    }
+
+    public String getTurbineId() {
+        return turbineId;
+    }
+
+    public void setTurbineId(String turbineId) {
+        this.turbineId = turbineId;
+    }
+
+    public String getTurbineName() {
+        return turbineName;
+    }
+
+    public void setTurbineName(String turbineName) {
+        this.turbineName = turbineName;
+    }
+
+    public String getPartName() {
+        return partName;
+    }
+}